Mcu=>Sfu

.gitignore

@@ -35,3 +35,5 @@ jspm_packages
 
 # Optional REPL history
 .node_repl_history
+
+.DS_Store

README.md

@@ -1,4 +1,10 @@
-# kurento-group-call-node (SFU)
+# kurento-group-call-node
+
+```
+This code is an example, I did not optimize it.
+
+Please contact me for more information.
+```
 
 ### branch checkout
 ```
@@ -20,8 +26,44 @@ cd server/static/
 bower install
 ```
 
+### edit
+```
+./server/index.js 
+
+const argv = minimst(process.argv.slice(2), {
+    default: {
+        as_uri: 'https://localhost:3000',
+        ws_uri: 'ws://127.0.0.1:8888/kurento'   // your KMS uri
+    }
+});
+
+```
+
 ### run
 ```
  node index.js 
 
 ```
+
+### Composite & HubPort structure
+```
+                                        User
+                                         ^
+                                         |
+                                  WebRtcEndpoint
+                                         ^              
+                                         |
+                                       HubPort
+                                         ^
+                                         |
+Presenter WebRtcEndpoint -> HubPort -> Composite
+                                         |
+                                         v
+                                       HubPort
+                                         |
+                                         v
+                                  WebRtcEndpoint
+                                         |
+                                         v
+                                        User
+```