SCON received at ASP from one of SGs
Mikhail Plotkin <[email protected]> Fri, 02 Sep 2011 14:05:55 +0400
| Newsgroups | gmane.ietf.sigtran |
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Hi All,
Hope to get a piece of advise regarding interpretation of sections 1.3.2 and 4.5.2.2 of RFC4666.
ASP has
routes to SS7 destination point through several SGs.
1 . If ASP gets SCON from one of SGs should it immediately send congestion indication
to the user or should we send report to the user if and only if SCON received from both SGs? RFC says that ASP "determines whether or
not the overall availability or congestion status of the affected
destination(s) has changed". Does it mean ASP should set for the destination the minimum congestion status among all SGs or the maximum congestion status among all SGs ?
2. In the
same configuration. If we get SCON from one SG should we try to redistribute
the part of traffic from the congested route, that leads to congestion, to the other routes through which this destination is accessible?
If yes,
what measures can be taken to diminish possible negative side effects of such
redistribution? By the way, RFC recommends to handle it "much like an MTP3 layer
maintains route-set status", but ITU-T Q.704 does not say anything about rerouting caused by congestion in one of the routes.
(Similar questions have been discussed here before, but those were for several ASPs and a single SG)
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