RE: RFC 4666 on Signaling System 7 (SS7) MessageTransferPart 3 (MTP3) - User Adaptation Layer (M3UA)
"Tolga Asveren" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <[email protected]> |
Brian,
Addressing link failure does not correspond to host redundancy but to
network interface/network redundancy, which is addressed by SCTP
multihoming.
Thanks,
Tolga
> -----Original Message-----
> From: Brian F. G. Bidulock [mailto:[email protected]]
> Sent: Thursday, September 21, 2006 9:30 AM
> To: Tolga Asveren
> Cc: [email protected]
> Subject: Re: [Sigtran] RFC 4666 on Signaling System 7 (SS7)
> MessageTransferPart 3 (MTP3) - User Adaptation Layer (M3UA)
>
>
> Tolga,
>
> Tolga Asveren wrote: (Thu, 21 Sep
> 2006 09:23:15)
> >
> > Changeover mechanism is not to address host failures because
> when a host is
> > down, it can't tell anything about the last received message etc...
>
> Changeover addresses link failure, where link failure is defined as
> any time at which MTP Level 3 receives link failure indication from
> a signalling links, which includes adjacent signalling point failure.
> Look at the diagrams.
>
> Besides, the introduction to:
>
> http://www.ietf.org/internet-drafts/draft-bidulock-sigtran-corid-04.txt
>
> illustrates this well, I think.
>
> --brian
>
> --
> Brian F. G. Bidulock
> [email protected]
> http://www.openss7.org/
>
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