Renamed group field to role and added new field ssh_principal

README.md

@@ -14,4 +14,11 @@ services include:
   5. Secure Shell (ssh) certificate/key management
   6. Associated YANG models for telemetry collection of gNSI systems.
 
-Code and documentation to follow.
+## Releases
+
+   -  A gNSI server is expected to support single version of gNSI
+      (e.g. if v2 releases, then the server will only support v1 until
+      it has support for v2, at which point it will drop support for v1).
+   -  A gNSI server is expected to be pinned to a release tag on the
+      gNSI repository.
+

acctz/README.md

@@ -35,3 +35,24 @@ retrieved periodically by newly and already connected Collectors.  The depth
 of this history should be configurable by the administrator.  The default
 depth and configurability are subject to implementation support, but should
 be documented.
+
+## OpenConfig Extension for the gMNI gRPC-based Accounting telemetry
+### gnsi-acctz.yang
+An overview of the changes defined in the gnsi-acctz.yang file are shown below.
+
+```txt
+module: gnsi-acctz
+  augment /oc-sys:system/oc-sys-grpc:grpc-servers/oc-sys-grpc:grpc-server:
+    +--ro counters
+       +--ro last-cleared-on?   oc-types:timeticks64
+       +--ro client-counters
+       |  +--ro history_istruncated?   oc-yang:counter64
+       |  +--ro IdleTimeouts?          oc-yang:counter64
+       |  +--ro RecordRequests?        oc-yang:counter64
+       |  +--ro RecordResponses?       oc-yang:counter64
+       +--ro source-counters
+          +--ro source-records* [service type]
+             +--ro service    service-request
+             +--ro type       service-type
+             +--ro records?   oc-yang:counter64
+```