Subject: [Sigtran] A question on multiple associations between two signalling peers (ASP-SGP)

From: ye ding <[email-masked]>
Date: Wed, 8 Aug 2007 11:49:56 +0800 (CST)

Hello,

This was covered before to certain extent and supporting multiple sctp associations between one asp and one sgp is implementation specific.

My scenario:
Got one ASP which binds to two sctp endpoints (with different IP addresses), from those two sctp endpoints, two sctp associations are formed to single sctp endpoint on SGP. I guess this should work when ASP up was sent through both associations to the SGP without specifying the ASP ID, and since the associations are from different ASP sctp endpoint, SGP will not require the ASP ID and will treat as two ASPs. Having said that, we will get deterministics SGP response and SGP will not request ASP ID in this case. is this correct?

We do not do multi-homing since SGP, ASP, and SCTP endpoints (A,B) for ASP are all located on different hosts. The idea is that if SCTP endpoint A dies, the ASP will not be impacted and will switch to use SCTP endpoint B.

Thanks,

Ye
       
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