diff --git a/ponsim/v2/protos/ponsim_common.proto b/ponsim/v2/protos/ponsim_common.proto
new file mode 100644
index 0000000..42f5994
--- /dev/null
+++ b/ponsim/v2/protos/ponsim_common.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+option go_package = "github.com/opencord/voltha/protos/go/ponsim";
+
+package ponsim;
+
+import "google/protobuf/empty.proto";
+
+service PonSimCommon {
+    rpc ProcessData (stream IncomingData) returns (google.protobuf.Empty) {}
+}
+
+message IncomingData {
+    string id = 1;
+    string address = 2;
+    int32 port = 3;
+    bytes payload = 4;
+
+}
\ No newline at end of file