Subject: RE: [SUA issue 17] IPSP cases.

From: [email-masked]
Date: Tue, 4 Sep 2001 08:58:40 +0300

Brian,

> Then in the IPSP case, SUA is transporting the SCCP-User protocol?
> 
> That is, it is not tranporting SCCP?

From M3UA v8:

1.5.2  Example 2: SCCP Transport between IPSPs

        ********    IP    ********
        * IPSP *          * IPSP *
        ********          ********
  
        +------+          +------+
        |SCCP- |          |SCCP- |
        | User |          | User |
        +------+          +------+
        | SCCP |          | SCCP |
        +------+          +------+
        | M3UA |          | M3UA |
        +------+          +------+
        | SCTP |          | SCTP |
        +------+          +------+
        |  IP  |          |  IP  |
        +------+          +------+
            |________________|

From SUA v7

          ********   IP   ******** 
          *      *--------*      * 
          * IPSP *        * IPSP * 
          *      *        *      * 
          ********        ******** 
         
          +------+        +------+ 
          | SUAP |        | SUAP | 
          +------+        +------+ 
          | SUA  |        | SUA  | 
          +------+        +------+ 
          | SCTP |        | SCTP | 
          +------+        +------+ 
          |  IP  |        |  IP  | 
          +------+        +------+ 
             |                | 
             +----------------+ 
    
       SUAP - SCCP/SUA Application Protocol (e.g. - RANAP/RNSAP) 
    
John

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