Update release doc, upcoming release doc
Change-Id: Ibce6bd1f7eef5b8757b51d66503dd42a98c16fd7
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+..
+ SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+ SPDX-License-Identifier: Apache-2.0
+
+SD-Core Next Release
+========================
+
+We expect next SD-Core release to be available in the mid of **Jan 2023**.
+
+Metrics Support
+----------------
+
+ - Creating SD-Core metrics dashboard for 5G
+ - Should handle multiple instances of AMF, SMF
+ - Example statistics could be - `Number of UEs, UE status, UPFs status, gNB status, UE details`
+
+Extensions of AMF, SMF Cloud Native Support
+-------------------------------------------
+
+ - Robustness test with multiple AMF, SMF
+ - Auto scale AMF, SMF with CPU/Memory/Custom metrics
+ - Multiple instances of SCTP LBs
+ - Multiple instances of UPF adapter
+ - Adding SBI Load Balancer
+
+Cloud Native UPF
+----------------
+
+ - Running multiple instances of UPF
+ - Storing states in DB
+
+gNBSim Features
+----------------
+
+ - gNBSim deployment as single docker container
+ - Running multiple gNodeBs under same gNBSim container
+ - gNodeB handover support
+
+NRF Notification
+----------------
+
+ - NRF discovery result cache support
+ - NRF notification integration in SCTPLb, Distributed Resource Sharing Module (DRSM)
+ - Custom node registration in NRF e.g. upf-adapter & sctplb
+
+.. note::
+ Some of the features mentioned above are stretch goals and we rely on community members to
+ submit the code. There is chance that some of the code may not be able to make it to next
+ release.