diff --git a/agent/Makefile.in b/agent/Makefile.in
index 1eb602a..890fcc6 100644
--- a/agent/Makefile.in
+++ b/agent/Makefile.in
@@ -1,17 +1,16 @@
-# Copyright (C) 2018 Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
 
 ########################################################################
 ##
diff --git a/agent/common/core.h b/agent/common/core.h
index 26f1dac..bfb6c9b 100644
--- a/agent/common/core.h
+++ b/agent/common/core.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_CORE_H_
 #define OPENOLT_CORE_H_
diff --git a/agent/common/main.cc b/agent/common/main.cc
index 49caf5a..a18db3c 100644
--- a/agent/common/main.cc
+++ b/agent/common/main.cc
@@ -1,19 +1,19 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation 
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include <iostream>
 #include <unistd.h>
 
diff --git a/agent/common/server.cc b/agent/common/server.cc
index 10ae4fa..9e1eb86 100644
--- a/agent/common/server.cc
+++ b/agent/common/server.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include <iostream>
 #include <memory>
diff --git a/agent/common/server.h b/agent/common/server.h
index 52ef083..2238287 100644
--- a/agent/common/server.h
+++ b/agent/common/server.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation 
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_SERVER_H_
 #define OPENOLT_SERVER_H_
diff --git a/agent/common/state.h b/agent/common/state.h
index 3573c4b..6092aa8 100644
--- a/agent/common/state.h
+++ b/agent/common/state.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_STATE_H_
 #define OPENOLT_STATE_H_
diff --git a/agent/device/asfvolt16/mkdebian/build_asfvolt16_deb.sh b/agent/device/asfvolt16/mkdebian/build_asfvolt16_deb.sh
index b42cdf7..e4cc706 100755
--- a/agent/device/asfvolt16/mkdebian/build_asfvolt16_deb.sh
+++ b/agent/device/asfvolt16/mkdebian/build_asfvolt16_deb.sh
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 export ONL_ARCH="amd64"
 dpkg-buildpackage -b -us -uc -a"$ONL_ARCH"
diff --git a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postinst b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postinst
index 44693f2..1db6e90 100644
--- a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postinst
+++ b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postinst
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 rm -rf /opt/bcm68620
 rm -rf /broadcom
diff --git a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postrm b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postrm
index 3f45572..2f514af 100644
--- a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postrm
+++ b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.postrm
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 rm -rf /opt/bcm68620
 rm -rf /broadcom
diff --git a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.preinst b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.preinst
index f3c0cbf..333bcd5 100644
--- a/agent/device/asfvolt16/mkdebian/debian/asfvolt16.preinst
+++ b/agent/device/asfvolt16/mkdebian/debian/asfvolt16.preinst
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 # kill CLI applications
 echo "kill running time application"
diff --git a/agent/device/asfvolt16/vendor.cc b/agent/device/asfvolt16/vendor.cc
index 12aade8..86836ff 100644
--- a/agent/device/asfvolt16/vendor.cc
+++ b/agent/device/asfvolt16/vendor.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "vendor.h"
 
diff --git a/agent/device/asfvolt16/vendor.h b/agent/device/asfvolt16/vendor.h
index 6a34814..a15fec0 100644
--- a/agent/device/asfvolt16/vendor.h
+++ b/agent/device/asfvolt16/vendor.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __VENDOR_H__
 #define __VENDOR_H__
diff --git a/agent/device/asgvolt64/mkdebian/build_asgvolt64_deb.sh b/agent/device/asgvolt64/mkdebian/build_asgvolt64_deb.sh
index b42cdf7..e4cc706 100755
--- a/agent/device/asgvolt64/mkdebian/build_asgvolt64_deb.sh
+++ b/agent/device/asgvolt64/mkdebian/build_asgvolt64_deb.sh
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 export ONL_ARCH="amd64"
 dpkg-buildpackage -b -us -uc -a"$ONL_ARCH"
diff --git a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postinst b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postinst
index e9c752c..5166989 100644
--- a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postinst
+++ b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postinst
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 rm -rf /opt/bcm68620
 rm -rf /broadcom
diff --git a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postrm b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postrm
index 3f45572..2f514af 100644
--- a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postrm
+++ b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.postrm
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 rm -rf /opt/bcm68620
 rm -rf /broadcom
diff --git a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.preinst b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.preinst
index f3c0cbf..333bcd5 100644
--- a/agent/device/asgvolt64/mkdebian/debian/asgvolt64.preinst
+++ b/agent/device/asgvolt64/mkdebian/debian/asgvolt64.preinst
@@ -1,19 +1,19 @@
 #!/bin/bash
 
-# Copyright 2018-present Open Networking Foundation
+#Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+#Licensed under the Apache License, Version 2.0 (the "License");
+#you may not use this file except in compliance with the License.
+#You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+#http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#Unless required by applicable law or agreed to in writing, software
+#distributed under the License is distributed on an "AS IS" BASIS,
+#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#See the License for the specific language governing permissions and
+#limitations under the License.
+
 
 # kill CLI applications
 echo "kill running time application"
diff --git a/agent/device/asgvolt64/vendor.cc b/agent/device/asgvolt64/vendor.cc
index 12aade8..86836ff 100644
--- a/agent/device/asgvolt64/vendor.cc
+++ b/agent/device/asgvolt64/vendor.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "vendor.h"
 
diff --git a/agent/device/asgvolt64/vendor.h b/agent/device/asgvolt64/vendor.h
index a0d21c3..d7280e4 100644
--- a/agent/device/asgvolt64/vendor.h
+++ b/agent/device/asgvolt64/vendor.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __VENDOR_H__
 #define __VENDOR_H__
diff --git a/agent/device/device.h b/agent/device/device.h
index fcaa887..71259ac 100644
--- a/agent/device/device.h
+++ b/agent/device/device.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __DEVICE_H__
 #define __DEVICE_H__
diff --git a/agent/device/generic/vendor.cc b/agent/device/generic/vendor.cc
index 12aade8..86836ff 100644
--- a/agent/device/generic/vendor.cc
+++ b/agent/device/generic/vendor.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "vendor.h"
 
diff --git a/agent/device/generic/vendor.h b/agent/device/generic/vendor.h
index 3c32e43..25cc813 100644
--- a/agent/device/generic/vendor.h
+++ b/agent/device/generic/vendor.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __VENDOR_H__
 #define __VENDOR_H__
diff --git a/agent/device/tlabvolt2/vendor.cc b/agent/device/tlabvolt2/vendor.cc
index 9de2b40..53730d6 100644
--- a/agent/device/tlabvolt2/vendor.cc
+++ b/agent/device/tlabvolt2/vendor.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "device.h"
 
diff --git a/agent/device/tlabvolt2/vendor.h b/agent/device/tlabvolt2/vendor.h
index cc7aa54..1d28602 100644
--- a/agent/device/tlabvolt2/vendor.h
+++ b/agent/device/tlabvolt2/vendor.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __VENDOR_H__
 #define __VENDOR_H__
diff --git a/agent/device/tlabvolt8/vendor.cc b/agent/device/tlabvolt8/vendor.cc
index 9de2b40..53730d6 100644
--- a/agent/device/tlabvolt8/vendor.cc
+++ b/agent/device/tlabvolt8/vendor.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "device.h"
 
diff --git a/agent/device/tlabvolt8/vendor.h b/agent/device/tlabvolt8/vendor.h
index fb84611..671e17d 100644
--- a/agent/device/tlabvolt8/vendor.h
+++ b/agent/device/tlabvolt8/vendor.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef __VENDOR_H__
 #define __VENDOR_H__
diff --git a/agent/sim/core.cc b/agent/sim/core.cc
index 791caae..8537eeb 100644
--- a/agent/sim/core.cc
+++ b/agent/sim/core.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include <iostream>
 #include <memory>
diff --git a/agent/sim/core.h b/agent/sim/core.h
index f656b1f..ed0fb4d 100644
--- a/agent/sim/core.h
+++ b/agent/sim/core.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_CORE_H_
 #define OPENOLT_CORE_H_
diff --git a/agent/src/core.cc b/agent/src/core.cc
index 897d326..43ce76f 100644
--- a/agent/src/core.cc
+++ b/agent/src/core.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include <iostream>
 #include <memory>
diff --git a/agent/src/error_format.cc b/agent/src/error_format.cc
index 53588e4..f8de289 100644
--- a/agent/src/error_format.cc
+++ b/agent/src/error_format.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "error_format.h"
 using grpc::Status;
diff --git a/agent/src/error_format.h b/agent/src/error_format.h
index 3928dc1..e066ef2 100644
--- a/agent/src/error_format.h
+++ b/agent/src/error_format.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_ERROR_FORMAT_H_
 #define OPENOLT_ERROR_FORMAT_H_
diff --git a/agent/src/indications.cc b/agent/src/indications.cc
index cc42adc..07edbd9 100644
--- a/agent/src/indications.cc
+++ b/agent/src/indications.cc
@@ -1,19 +1,19 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "indications.h"
 #include "core.h"
 #include "utils.h"
diff --git a/agent/src/indications.h b/agent/src/indications.h
index f762e72..0a7c953 100644
--- a/agent/src/indications.h
+++ b/agent/src/indications.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef OPENOLT_INDICATIONS_H_
 #define OPENOLT_INDICATIONS_H_
 
diff --git a/agent/src/stats_collection.cc b/agent/src/stats_collection.cc
index 62213c2..e31ce4c 100644
--- a/agent/src/stats_collection.cc
+++ b/agent/src/stats_collection.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "stats_collection.h"
 
diff --git a/agent/src/stats_collection.h b/agent/src/stats_collection.h
index 8e1c00f..dd5835d 100644
--- a/agent/src/stats_collection.h
+++ b/agent/src/stats_collection.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #ifndef OPENOLT_STATS_COLLECTION_H_
 #define OPENOLT_STATS_COLLECTION_H_
diff --git a/agent/src/translation.cc b/agent/src/translation.cc
index 2c82f58..19e9f66 100644
--- a/agent/src/translation.cc
+++ b/agent/src/translation.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include <string.h>
 #include "translation.h"
diff --git a/agent/src/translation.h b/agent/src/translation.h
index 34fe69e..b4d8b90 100644
--- a/agent/src/translation.h
+++ b/agent/src/translation.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef OPENOLT_TRANSLATION_H_
 #define OPENOLT_TRANSLATION_H_
 
diff --git a/agent/src/utils.cc b/agent/src/utils.cc
index 9fde90e..21ca84b 100644
--- a/agent/src/utils.cc
+++ b/agent/src/utils.cc
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation 
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include <string.h>
 #include "utils.h"
 
diff --git a/agent/src/utils.h b/agent/src/utils.h
index 52c018a..c35d6f0 100644
--- a/agent/src/utils.h
+++ b/agent/src/utils.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef OPENOLT_UTILS_H_
 #define OPENOLT_UTILS_H_
 
diff --git a/agent/test/Makefile.in b/agent/test/Makefile.in
index 3f8eaf9..b8fee22 100644
--- a/agent/test/Makefile.in
+++ b/agent/test/Makefile.in
@@ -1,17 +1,16 @@
-# Copyright (C) 2018 Open Networking Foundation
+# Copyright 2018-present Open Networking Foundation
 #
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# http://www.apache.org/licenses/LICENSE-2.0
 #
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 ########################################################################
 ##
diff --git a/agent/test/inc/bal_mocker.h b/agent/test/inc/bal_mocker.h
index 72cbbc4..d36d0c7 100644
--- a/agent/test/inc/bal_mocker.h
+++ b/agent/test/inc/bal_mocker.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BAL_MOCKER_H__
 #define __BAL_MOCKER_H__
 #include <cmock/cmock.h>
diff --git a/agent/test/inc/bal_stub.h b/agent/test/inc/bal_stub.h
index 4001327..3892417 100644
--- a/agent/test/inc/bal_stub.h
+++ b/agent/test/inc/bal_stub.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef _BAL_STUB_H_
 #define _BAl_STUB_H_
 extern "C" {
diff --git a/agent/test/inc/bal_version.h b/agent/test/inc/bal_version.h
index dbeb1e7..45b3cc3 100644
--- a/agent/test/inc/bal_version.h
+++ b/agent/test/inc/bal_version.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BAL_VERSION_H__
 #define __BAL_VERSION_H__
 // This is stub header file for unit test case only
diff --git a/agent/test/inc/bcm_api_cli.h b/agent/test/inc/bcm_api_cli.h
index f0c98af..cb7f2e3 100644
--- a/agent/test/inc/bcm_api_cli.h
+++ b/agent/test/inc/bcm_api_cli.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BCMAPI_CLI_H__
 #define __BCMAPI_CLI_H__
 // This is stub header file for unit test case only
diff --git a/agent/test/inc/bcmcli.h b/agent/test/inc/bcmcli.h
index daef962..4707b80 100644
--- a/agent/test/inc/bcmcli.h
+++ b/agent/test/inc/bcmcli.h
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BCMCLI_H__
 #define __BCMCLI_H__
 // This is stub header file for unit test case only
diff --git a/agent/test/inc/bcmcli_session.h b/agent/test/inc/bcmcli_session.h
index 0855ad5..c9de0c3 100644
--- a/agent/test/inc/bcmcli_session.h
+++ b/agent/test/inc/bcmcli_session.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BCMCLI_SESSION_H__
 #define __BCMCLI_SESSION_H__
 #include "bcmos_errno.h"
diff --git a/agent/test/inc/bcmolt_api_topology.h b/agent/test/inc/bcmolt_api_topology.h
index 17709ea..be095cf 100644
--- a/agent/test/inc/bcmolt_api_topology.h
+++ b/agent/test/inc/bcmolt_api_topology.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BCMOLT_API_TOPOLOGY_H__
 #define __BCMOLT_API_TOPOLOGY_H__
 // This is stub header file for unit test case only
diff --git a/agent/test/inc/bcmolt_conn_mgr.h b/agent/test/inc/bcmolt_conn_mgr.h
index 124da6c..9b94fab 100644
--- a/agent/test/inc/bcmolt_conn_mgr.h
+++ b/agent/test/inc/bcmolt_conn_mgr.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __BCMOLT_CONN_MGR_H__
 #define __BCMOLT_CONN_MGR_H__
 // This is stub header file for unit tets case only
diff --git a/agent/test/inc/test_stub.h b/agent/test/inc/test_stub.h
index f2e87b1..fe60d81 100644
--- a/agent/test/inc/test_stub.h
+++ b/agent/test/inc/test_stub.h
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #ifndef __TEST_STUB_H__
 #define __TEST_STUB_H__
 
diff --git a/agent/test/src/bal_mocker.cc b/agent/test/src/bal_mocker.cc
index 1f9d4b0..1bab8a2 100644
--- a/agent/test/src/bal_mocker.cc
+++ b/agent/test/src/bal_mocker.cc
@@ -1,21 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 #include "bal_mocker.h"
 extern "C" {
diff --git a/agent/test/src/bal_stub.cc b/agent/test/src/bal_stub.cc
index 5ab1b79..6d757b3 100644
--- a/agent/test/src/bal_stub.cc
+++ b/agent/test/src/bal_stub.cc
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 // This file stub definitions for some BAL APIs that are unavailable
 // in TEST_MODE
diff --git a/agent/test/src/main_test.cc b/agent/test/src/main_test.cc
index 8e3a903..0c553fa 100644
--- a/agent/test/src/main_test.cc
+++ b/agent/test/src/main_test.cc
@@ -1,20 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "gtest/gtest.h"
 
 using namespace testing;
diff --git a/agent/test/src/test_enable_olt.cc b/agent/test/src/test_enable_olt.cc
index e7757ca..5fbbf69 100644
--- a/agent/test/src/test_enable_olt.cc
+++ b/agent/test/src/test_enable_olt.cc
@@ -1,19 +1,18 @@
 /*
-    Copyright (C) 2018 Open Networking Foundation
+ * Copyright 2018-present Open Networking Foundation
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 #include "gtest/gtest.h"
 #include "bal_mocker.h"
 #include "core.h"