diff --git a/xos/models.py b/xos/models.py
new file mode 100755
index 0000000..f537adc
--- /dev/null
+++ b/xos/models.py
@@ -0,0 +1,158 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+
+from core.models import Tenant
+
+
+class EnterpriseLocation(Tenant):
+
+  KIND = "vnaas"
+
+  class Meta:
+      app_label = "vnaas"
+      name = "vnaas"
+      verbose_name = "Enterprise Location"
+
+  # Primitive Fields (Not Relations)
+  name = CharField( blank = False, max_length = 256, null = False, db_index = False )
+  cord_site_ip = CharField( help_text = "IP of the local site", max_length = 64, null = False, db_index = False, blank = False )
+  cord_site_port = IntegerField( help_text = "Port of the local site", max_length = 256, null = False, db_index = False, blank = False )
+  cord_site_username = CharField( help_text = "Username of the local site", max_length = 64, null = False, db_index = False, blank = False )
+  cord_site_password = CharField( help_text = "Password of the local site", max_length = 64, null = False, db_index = False, blank = False )
+  cord_site_type = CharField( default = "xos", choices = "(('onos', 'ONOS'), ('xos', 'XOS')", max_length = 64, blank = False, null = False, db_index = False )
+
+
+  # Relations
+
+  pass
+
+
+class OnosModel(XOSBase):
+
+  KIND = "vnaas"
+
+  class Meta:
+      app_label = "vnaas"
+      name = "vnaas"
+      verbose_name = "Open Network Operating System"
+
+  # Primitive Fields (Not Relations)
+  name = CharField( blank = False, max_length = 256, null = False, db_index = False )
+  onos_ip = CharField( help_text = "IP of the transport manager", max_length = 64, null = False, db_index = False, blank = False )
+  onos_port = IntegerField( help_text = "Port of the transport manager", max_length = 256, null = False, db_index = False, blank = False )
+  onos_username = CharField( help_text = "Username of the transport manager", max_length = 64, null = False, db_index = False, blank = False )
+  onos_password = CharField( help_text = "Password of the transport manager", max_length = 64, null = False, db_index = False, blank = False )
+  onos_type = CharField( default = "local", choices = "(('local', 'Local'), ('global', 'Global')", max_length = 64, blank = False, null = False, db_index = False )
+
+
+  # Relations
+
+
+  pass
+
+
+class UserNetworkInterface(XOSBase):
+
+  KIND = "vnaas"
+
+  class Meta:
+      app_label = "vnaas"
+      name = "vnaas"
+      verbose_name = "User Network Interface"
+
+  # Primitive Fields (Not Relations)
+  tenant = CharField( help_text = "Tenant name", max_length = 256, null = False, db_index = False, blank = False )
+  cpe_id = CharField( blank = False, max_length = 1024, null = False, db_index = False )
+  latlng = CharField( help_text = "Location, i.e. [37.773972, -122.431297]", max_length = 256, null = False, db_index = False, blank = False )
+  name = CharField( blank = False, max_length = 256, null = False, db_index = False )
+
+
+  # Relations
+
+
+  def __unicode__(self):  return u'%s' % (self.name)
+
+  def save(self, *args, **kwargs):
+
+      if self.latlng:
+          try:
+              latlng_value = getattr(self, 'latlng').strip()
+              if (latlng_value.startswith('[') and latlng_value.endswith(']') and latlng_value.index(',') > 0):
+                  lat = latlng_value[1: latlng_value.index(',')].strip()
+                  lng = latlng_value[latlng_value.index(',') + 1: len(latlng_value) - 1].strip()
+
+                  # If lat and lng are not floats, the code below should result in an error.
+                  lat_validation = float(lat)
+                  lng_validation = float(lng)
+              else:
+                  raise ValueError("The lat/lng value is not formatted correctly.")
+          except:
+              raise ValueError("The lat/lng value is not formatted correctly.")
+
+      super(UserNetworkInterface, self).save(*args, **kwargs)
+  pass
+
+
+
+
+class BandwidthProfile(XOSBase):
+
+  KIND = "vnaas"
+
+  class Meta:
+      app_label = "vnaas"
+      name = "vnaas"
+      verbose_name = "Bandwidth Profile"
+
+  # Primitive Fields (Not Relations)
+  name = CharField( blank = False, max_length = 256, null = False, db_index = False )
+  cbs = IntegerField( help_text = "Committed burst size", null = False, blank = False, db_index = False )
+  ebs = IntegerField( help_text = "Expected burst size", null = False, blank = False, db_index = False )
+  cir = IntegerField( help_text = "Committed information rate", null = False, blank = False, db_index = False )
+  eir = IntegerField( help_text = "Expected information rate", null = False, blank = False, db_index = False )
+
+
+  # Relations
+
+
+  def __unicode__(self):  return u'%s' % (self.name)
+  pass
+
+
+
+class ELine(XOSBase):
+
+  KIND = "vnaas"
+
+  class Meta:
+      app_label = "vnaas"
+      name = "vnaas"
+      verbose_name = "Ethernet Virtual Private Line"
+
+  # Primitive Fields (Not Relations)
+  name = CharField( blank = False, max_length = 256, null = False, db_index = False )
+  connect_point_1_id = CharField( blank = False, max_length = 256, null = False, db_index = False )
+  connect_point_2_id = CharField( blank = False, max_length = 64, null = False, db_index = False )
+  vlanids = TextField( help_text = "comma separated list of vlanIds", null = False, blank = False, db_index = False )
+  cord_site_username = CharField( blank = False, max_length = 64, null = False, db_index = False )
+  bwp = CharField( help_text = "bandwidth profile name", max_length = 256, null = False, db_index = False, blank = False )
+
+
+  # Relations
+
+
+  def __unicode__(self):  return u'%s' % (self.name)
+  pass
+