--- /dev/null
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. SPDX-License-Identifier: CC-BY-4.0
+.. Copyright (C) 2020 AT&T Intellectual Property
+
+rc Control Overview
+====================
+
+rc is an Xapp used to send RIC control message to E2 / Ran Node based on the GRPC control request received.
+rc Xapp acts as a GRPC server.It receives and processes the GRPC control request to construct the RIC Control message.
+ASN1 encoding of RIC Control Message will be done and sent to E2/RAN Node using RMR.