Subject: RE: draft-srisuresh-ospf-te-04.txt

From: Jim Boyle <[email-masked]>
Date: Thu, 12 Dec 2002 22:16:49 -0500 (EST)

There doesn't appear to be much interest in this particular draft in 
TEWG (or even in changing intra-area te igp functionality in general).

regards,
Jim

On Thu, 12 Dec 2002, Pyda Srisuresh wrote:

> Jorge,
> 
> TE extenstions to the OSPF protocol are not part of the
> TE-WG charter. But, TE-WG folks do have FYI interest in
> the subject matter. This was pointed out in the Utah IETF,
> I believe.
> 
> If you are refering to non-packet networks, section 9 of
> the draft is devoted to support for non-packet networks.
> However, I agree, the OSPF-TE draft is predominantly focussed
> on TE in packet networks. If you have specific comments on the
> non-packet extensions, please do send them. Thanks.
> 
> regards,
> suresh
> 
> -----Original Message-----
> From: Jorge Pinto [mailto:[email-masked]]
> Sent: Thursday, December 12, 2002 2:19 AM
> To: Jim Boyle; Pyda Srisuresh
> Cc: [email-masked]; [email-masked]
> Subject: RE: draft-srisuresh-ospf-te-04.txt
> 
> 
> I'm sorry to budge in,
> 
> 	I really don't see the point in this move towards OSPF only...
> 	There are several aspects on this and other drafts that concern only to the
> TEWG. For instance, the fact that the draft is neglecting the structure of
> SDH/SONET frames, which is the only way to describe bandwidth in this
> tecnology (nevermind the bytes per second... their useless in SDH). Another
> example is the fact that all drafts are trying to flood UN-reserved BW
> information, but for SDH-SONET, this kind of answer is a multiple choice (a
> AU4 can be decomposed in a lot of different things). However, i concede that
> the draft presents more suggestions to the OSPF WG than to the TE.
> 	IMHO, this draft should be presented to TEwg and to the OSPFwg. The TE wg
> can surely keep its mind on the TE issues, while OSPF, CCAMP, etc  will
> focus on the rest.
> 
> 	Anyway, keep up the good work, Pyda, et al,
> 
> 	Jorge Pinto
> 
> -----Original Message-----
> From: Jim Boyle [mailto:[email-masked]]
> Sent: Quinta-feira, 12 de Dezembro de 2002 1:08
> To: Pyda Srisuresh
> Cc: [email-masked]; [email-masked]
> Subject: RE: draft-srisuresh-ospf-te-04.txt
> 
> 
> 
> So it is more of a contribution to the OSPF WG, not the TEWG?
> I'll ask ietf-secretary to make the corresponding changes.
> You might want to forward the announce message to OSPF WG.
> 
> thanks,
> 
> Jim
> 
> On Wed, 11 Dec 2002, Pyda Srisuresh wrote:
> 
> > Hi Jim,
> >
> > The draft was not on the OSPF agenda for 51st IETF (London) or the 55th
> > IETF(Atlanta), as far as
> > I can tell. Besides, I did not attend either of the two IETFs. I did
> attend
> > the Utah IETF (52nd). But,
> > there wasn't a slot for OSPF. Oh, well..
> >
> > You are right, the above OSPF-TE draft is a competing draft to
> > draft-katz-yeung.
> > The OSPF-TE draft does more than TE topology discovery and restricted
> > flooding along the
> > topology.  The draft also covers inter-area TE and pre-engineered circuit
> > path LSAs.
> > A stand-alone TE-LSDB, independent of the native LSDB is generated for TE
> > computations.
> >
> > Please send in any comments you might have on the draft. Thanks.
> >
> > Regards,
> > suresh
> >
> >
> > -----Original Message-----
> > From: Jim Boyle [mailto:[email-masked]]
> > Sent: Tuesday, December 10, 2002 6:52 AM
> > To: [email-masked]
> > Cc: [email-masked]; [email-masked]
> > Subject: draft-srisuresh-ospf-te-04.txt
> >
> >
> > This was on the agenda for the 51st and 55th IETF, but no presentation
> > (I think I remeber some discussion at the 51st, but it's not in the
> > minutes).
> >
> > Also, no discussion on the lists.
> >
> > What's up with this?  Does anyone see a need to toss out
> >         draft-katz-yeung-ospf-traffic-09.txt
> > for draft-srisuresh-ospf-te-04.txt so that non TE nodes
> > don't have to be bothered with the opaque LSA?  Or
> > is there a grander scope to this?
> >
> > If not, I'm not sure why we keep seeing this draft rev change
> > as an individual contribution to tewg.
> >
> > Jim
> > ---------- Forwarded message ----------
> > Date: Wed, 11 Dec 2002 08:12:35 -0500
> > From: [email-masked]
> > To: IETF-Announce:  ;
> > Cc: [email-masked]
> > Subject: I-D ACTION:draft-srisuresh-ospf-te-04.txt
> >
> > A New Internet-Draft is available from the on-line Internet-Drafts
> > directories.
> > This draft is a work item of the Internet Traffic Engineering Working
> Group
> > of the IETF.
> >
> >         Title           : OSPF-TE: An experimental extension to OSPF for
> > Traffic
> >                           Engineering
> >         Author(s)       : P. Srisuresh, P. Joseph
> >         Filename        : draft-srisuresh-ospf-te-04.txt
> >         Pages           : 45
> >         Date            : 2002-12-9
> >
> > This document defines OSPF-TE, an experimental traffic engineering
> > (TE) extension to the link-state routing protocol OSPF. New TE
> > LSAs are designed to disseminate TE metrics within an autonomous
> > System (AS) - intra-area as well as inter-area. An Autonomous
> > System may consist of TE and non-TE nodes. Non-TE nodes are
> > uneffected by the distribution of TE LSAs. A stand-alone TE Link
> > State Database (TE-LSDB), separate from the native OSPF LSDB, is
> > generated for the computation of TE circuit paths. OSPF-TE is
> > also extendible to non-packet networks such as SONET/TDM and
> > optical networks. A transition path is provided for those
> > currently using [OPQLSA-TE] and wish to adapt OSPF-TE.
> >
> > A URL for this Internet-Draft is:
> > http://www.ietf.org/internet-drafts/draft-srisuresh-ospf-te-04.txt
> >
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