Re: Functionaliy of M3UA

"Brian F. G. Bidulock" <[email protected]>
Newsgroups gmane.ietf.sigtran
Organization http://www.openss7.org/
Message-ID <[email protected]>
óÁ×ÉÎ,

Each SG has a different Point Code in the SS7 network.  In your case, each
SG acts as an STP.  Associated pairs of STPs are normally inteconnected with
C-Links.  When SG/STP1 sends DUNA, it is because the destination cannot be
reached via either SG/STP in the pair.  Otherwise, it should not send DUNA.

If your SGs do not have different point codes, they are not SGs (they belong
to the same SPMC).  In that case, they are really SGP within a larger SG.

--brian

óÁ×ÉÎ ëÏÎÓÔÁÎÔÉÎ wrote:                                                              (Tue, 21 Feb 2006 13:07:34)
> 
>    Example:  there  is a network wtih one MGC and two SG, both affiliated
>    to  SS7  links.  Than at some time one SS7 link to SG1 had been broken
>    and  SG1  sends  DUNA  to MGC! The question is how SG2 will know about
>    link failure?
> 
> 
> 
>    Stan

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-- 
Brian F. G. Bidulock
[email protected]
http://www.openss7.org/
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