Adding participants to mermaid diagrams

TS-0020-WebSocket_Protocol_Binding.md

@@ -496,17 +496,24 @@ Figure A.1-1 illustrates a message flow for registration of an ADN-AE to an IN-C
 ```mermaid
 %%{init: { 'sequence': {'mirrorActors': false, 'actorFontSize': 2, 'noteFontSize':10} } }%%
 sequenceDiagram
-
-Note over AE, IN-CSE: 1) TCP connection and Security<br/>Association Establishment
-AE ->> IN-CSE: 2) WSS client handshake
-IN-CSE ->> AE: 3) WSS server handshake
-AE ->> IN-CSE: 4) Create AE request primitive
-Note over IN-CSE: 5) Check access controls, process request<br/>and create <AE> resource for originating AE
-IN-CSE ->> AE: 6) Response primitive
-AE ->> IN-CSE: 7) Create Container request primitive
-Note over IN-CSE: 8) Check access controls, process request and<br/>create <Container> resource for originating AE
-IN-CSE ->> AE: 9) Response primitive
-Note over AE, IN-CSE: 10) Other procedures
+Participant ADNAE1 as ADN-AE1
+Participant ADNAE2 as ADN-AE2
+Participant MNAE as MN-AE
+Participant MNCSE as MN-CSE
+Participant INCSE as IN-CSE
+Participant INAE as IN-AE
+
+MNAE ->> MNCSE: 1) Group resource<br />creation for updating<br />and retrieval of the state<br />of a group of lights
+Note right of MNCSE: Group resource is created<br />with a specific access<br />control policy under MN-CSE
+ADNAE1 ->> MNCSE: 2-1) Container resource<br />creation of light_1
+ADNAE2 ->> MNCSE: 2-2) Container resource<br />creation of light_2
+Note right of MNCSE: Container resources are<br />created with a specific access<br />control policy under MN-CSE
+ADNAE1 ->> MNCSE: 3-1) ContentInstance<br />resource creation<br />under container of light_1	
+ADNAE2 ->> MNCSE: 3-2) ContentInstance<br />resource creation<br />under container of light_2	
+Note right of MNCSE: ContentInstance resources are<br />created under the containers<br />in MN-CSE
+ADNAE1 ->> MNCSE: 4-1) Subscription resource<br />creation to container of light_1
+ADNAE2 ->> MNCSE: 4-2) Subscription resource<br />creation to container of light_2
+Note right of MNCSE: Subscription resources to<br />containers in MN-CSE are<br />created for monitoring<br />contentInstance updates
 ```
 
 **Figure A.1-1: Message flow for registration of an ADN-AE to an IN-CSE**