RE: TISPAN proposal for PPP IPCP extension to handle P-CSCFaddress???

"Jerome Moisand" <[email protected]> Mon, 2 Oct 2006 10:00:04 -0400
Newsgroups gmane.ietf.pppext
Message-ID <[email protected]>
Providing a SIP-proxy (P-CSCF) server @ via IPCP does make sense though.

Might be a good idea to address the problem in a constructive manner,
adding a mechanism for vendor-specific (or organization-specific)
parameters that could be conveyed via IPCP. Allowing extensions without
creating interoperability problems, and without the burden of having to
go to IETF for defining such extensions. 

DHCP and many other protocols have such extensibility, why not IPCP?

Was this topic discussed in the past?

-----Original Message-----
From: James Carlson [mailto:[email protected]] 
Sent: Monday, October 02, 2006 7:44 AM
To: [email protected]
Cc: [email protected]
Subject: Re: [Pppext] TISPAN proposal for PPP IPCP extension to handle
P-CSCFaddress???

[email protected] writes:
> However I was surprised to read that TISPAN standard ETSI ES 282 004
> V1.1.1 (2006-06) is suggesting to use PPP IPCP extensions for
> provisioning of P-CSCF IP address (pag 27, section 7.2 "PPP based

That's really unfortunate.  Their plan won't be interoperable.

> Isn't it strange? Do you know if TISPAN is actually thinking of
> extending the PPP IPCP protocol?

It's not unusual for folks to write their own extensions to
IETF-controlled protocols without bothering with the standardization
process.  We don't have any IETF police out there to stop them.

If they care at all about interoperability, they won't do something
like this.

Thanks for the pointer, though; I'll forward it around to see if we
can't get clarification.

-- 
James Carlson, KISS Network                    <[email protected]>
Sun Microsystems / 1 Network Drive         71.232W   Vox +1 781 442 2084
MS UBUR02-212 / Burlington MA 01803-2757   42.496N   Fax +1 781 442 1677

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