Re: Is it possible to make all the associations ACTIVE at a time at M3UA level ?
"Ambika Tripathy" <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <[email protected]> |
Hi Dario,
There is no suhc procedure defined in the rfc where we cam map multiple
SCTP association to a single ASP.
There is a one to one relationship between the ASP with SCTP association.
br,
Ambika Prasad Tripathy
On 2/7/07, Brian F. G. Bidulock <[email protected]> wrote:
>
> Dario,
>
> Dario wrote: (Tue,
> 06 Feb 2007 06:52:38)
> >
> > Hi Brian,
> >
> > I understand this - if these were multiple signalling processes (either
> 4
> > ASPs and one SGP, or one ASP with 4 SGP/SGs or combination of four
> > signalling process pairs, they'd work separately
> > (communication between redundant processes - either ASPs or SGPs is out
> of
> > the RFC scope).
> >
> > However how would this work with just single processes?
> > I understood that multiple SCTP associations between two processes are
> not
> > recommended, however standards do not forbid such configuration.
>
> If the ASPs identify themselves with a unique ASP Id, they are separate
> ASPs.
> If they do not use a unique ASP Id, there is an error for that. If they
> do
> not identify themselves at all (no ASP Id) the SGP is welcome to treat
> them
> as independent ASPs.
>
> --brian
>
> >
> > thanks!
> > Best regards, Dario
> >
> >
> >
> >
> > Brian F. G. Bidulock wrote:
> > >
> > > Dario,
> > >
> > > ---------- 1.1.3.65:9002 ASP1
> > > /
> > > 1.1.1.39:2095 ----------- 1.1.3.65:9004 ASP2
> > > SGP1 |\
> > > | ---------- 1.1.3.65:9006 ASP3
> > > \
> > > ---------- 1.1.3.65:9008 ASP4
> > >
> > > Dario Filjar wrote: (Tue, 06 Feb 2007
> > > 05:13:08)
> > >>
> > >> Hi,
> > >>
> > >> isn't this case with multiple associations between two processes?
> > >
> > > Not necessarily. A host can support multiple ASPs or SGPs.
> > >>
> > >> I did not understand what "active association" means.
> > >
> > > By "active for M3UA" I assumed Mahantesh meant in the ASP Up state.
> > >>
> > >> I understood that ASP UP is related to Application Process
> states -
> > >> here we have one M3UA ASP (or IPSP) activating on SGP (another
> IPSP)?
> > >
> > > Well, no, it could be 4 ASPs activating on 1 SGP or 1 ASP activating
> on
> > > 4 SGP, or some other combination.
> > >
> > >> SCTP is transport, so those associations can be established or
> down.
> > >
> > > I assumed that all 4 were established as Mahantesh indicated.
> > >>
> > >> Why would you send 4 ASP Up messages, and how SGP would react on
> those
> > >> 4 ASP Up messages, say, carrying identical ASP ID?
> > >
> > > Depends on what ASP is connecting to what SGP.
> > >
> > > --brian
> > >
> > > --
> > > Brian F. G. Bidulock
> > > [email protected]
> > > http://www.openss7.org/
> > >
> > > _______________________________________________
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> > >
> > >
> >
> > --
> > View this message in context:
> http://www.nabble.com/Is-it-possible-to-make-all-the-associations-ACTIVE-at-a-time-at-M3UA-level---tf3179458.html#a8827309
> > Sent from the IETF - Sigtran mailing list archive at Nabble.com.
> >
> >
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> --
> Brian F. G. Bidulock
> [email protected]
> http://www.openss7.org/
>
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>
--
Br,
Ambika Prasad Tripathy
Nethawk Networks
Cell: +91-94375 47730
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