Re: Is sharing of one SCTP endpoint between MultipleSignalling Processes possible?

Hello Tolga,

thank you very much for your answer.
Indeed, use of ASPAC, ASPIA is a killing argument.

Regards

Ilie

On 2/17/06, Tolga Asveren <[email protected]> wrote:
> Ilie,
>
> > -----Original Message-----
> > From: [email protected] [mailto:[email protected]]On
> > Behalf Of Ilie Glib
> > Sent: Friday, February 17, 2006 1:53 PM
> > To: SIGTRAN
> > Subject: [Sigtran] Is sharing of one SCTP endpoint between
> > MultipleSignalling Processes possible?
> >
> >
> > Hello Folks,
> >
> > could you please clarify for me whether it is possible that multiple
> > ASPs (IPSPs) serving the same AS share an SCTP endpoint when
> > communicating to an SGP (IPSP).
> [TOLGA]No, one SCTP endpoint = one ASP/IPSP
> >
> > I think that SUA, M3UA do not prohibit explicitly use of the same SCTP
> > endpoint by multiple Signalling Processes serving the same traffic
> > range. Moreover the ASP_ID provides a means of interpreting multiple
> > ASP Up, ASP Down with different ASP_IDs sent over the same SCTP
> > association.
> [TOLGA]ASP-Id is not to identify ASPs using the saem SCTP associtiaon but to
> identify ASPs which use dynamic addresses.
> >
> > Can multiple ASP Up, ASP Down (with different ASP_IDs) be sent over
> > the same SCTP association in the same direction?
> [TOLGA]What about ASPAC? How will you distinguish, which ASP has sent the
> ASPAC, ASPDN, ASPIA? Also, what is the use of such a setup?
> > Is there a consensus in SIGTRAN community on this topic?
> [TOLGA]As far as I can see, it won't work according to the procedures
> defined in the RFC/IG. There is no ASP identifier in the messages -except
> optional ASP-Id for ASPUP-, because it is assumed that this is known based
> on the SCTP association the messages are received from.
> >
> > --
> > Ilie
> >
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> >
>
>
>
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--
Ilie