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[SCTP-Discussion] Relation between Interface Id's and AS


Chronological Thread 
  • From: "Sundaresan M" <sundarem AT future.futsoft.com>
  • To: <discussion AT sctp.de>
  • Subject: [SCTP-Discussion] Relation between Interface Id's and AS
  • Date: Thu Dec 27 09:42:00 2001
  • Importance: High
  • List-id: SCTP Discussions <discussion.sctp.de>

Hi,

In IUA, I have a question. RFC3057 says "ASP Active Message contains one or
more Interface Identifiers to indicate for which AS the ASPAC applies to".

Meaning that if an MGC(ASP) is a member of more than one AS then ASPAC says
for which AS he wishes to make the MGC active. Am I right?

If so What relevance/importance does this Interface Identifier has with the
AS. Is INTERFACE IDENTIFIER an Identity for an MGC to be registered in a AS.

Does the Interface indentifier has a One to one relationship with the AS.

Best Regards,
Sundar.


Message: 1
From:
hari AT cosystems.com
To:
<discussion AT sctp.de>
Date: Fri, 14 Dec 2001 19:07:15 +0530
Subject: [SCTP-Discussion] RE: discussion digest, Vol 1 #198 - 3 msgs
Reply-To:
discussion AT sctp.de

Hello sundar,
i think u r getting confused with the StreamId assignment to D-Channels.
It's only to remove the head-of-line blocking,
It's immaterial whether MGC and SG use same Stream ID for a D-Channel.
SG may assign for example interfaceId One ---> Stream ID 5 and MGC may
assign InterfaceID One-> Stream Id One.

So there need not be any transfer of information regarding the streamId
assignment between MGC and SG.
MGC will send the ASP_ACTIVE with a set of InterfaceID's on which MGC would
like to be ACTIVE that's it.

And, Yes u can send on a single StreamID mutiple D-Channel Signaling mesgs.

Hope i was able to clear the ideas on StreamID assignment.

Hari







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