Re: Functionaliy of M3UA
"Sergey Mikhailov" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <00a501c636ec$3c283e90$150f0f0a@smikhailov> |
Stan, I suppose that in your scenario, when SG2 detects that the link to SP2 is broken, it may tell about it to SG1, for instance, via C-Link, along with sending DUNA to the concerned active ASPs (connected to this SG). Regards, Sergey Mikhailov. >I think you didn't understood me! I'm talking about this scheme: there is > two SP (Signalling Point) with differrent PC (Point Code); SP1(PC=1) have > SS7 link two SG1(PC=3) and SP2(PC=2) have SS7 different SS7 link two > SG2(PC=4); SP1 doesn't have any physical connection to SP2, SG2!!!! but > they > have SS7-relations! > What will be if the link from SP2 ot SG2 broken? > > Stan > > ----- Original Message ----- > From: "Brian F. G. Bidulock" <[email protected]> > To: "óÁ×ÉÎ ëÏÎÓÔÁÎÔÉÎ" <[email protected]> > Cc: <[email protected]> > Sent: Tuesday, February 21, 2006 1:18 PM > Subject: Re: [Sigtran] Functionaliy of M3UA > > >> 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 >> >> > _______________________________________________ >> > Sigtran mailing list >> > [email protected] >> > https://www1.ietf.org/mailman/listinfo/sigtran >> >> >> -- >> Brian F. G. Bidulock >> [email protected] >> http://www.openss7.org/ >> >> > > > > _______________________________________________ > Sigtran mailing list > [email protected] > https://www1.ietf.org/mailman/listinfo/sigtran >