Re: Bi-directional LSPs Incompatibility

[Eric Gray <eric.gray@sandburst.com>]

Manoj ,

    George's point is that strict alignment does not need to be a goal.
If you look at the O-UNI as a user of GMPLS services, there is no
reason to expect this user to use all available services.

--
Eric Gray

You wrote:

> Hi George,
>             As long as both the documents are not aligned, we can say there
> is some incompatibility. I think one can argue it in both ways. Is it a
> incompatibility or a feature that GMPLS offers but UNI is unable to make use
> of it ?
>
> Regards,
> manoj.
>
> >From: George Swallow <swallow@cisco.com>
> >To: "manoj juneja" <manojkumarjuneja@hotmail.com>
> >CC: ccamp@ops.ietf.org, swallow@cisco.com
> >Subject: Re: Bi-directional LSPs Incompatibility
> >Date: Wed, 18 Jul 2001 18:23:39 -0400
> >
> > > Hi All,
> > >         There is some incompatibility in documents of OIF
> > > (oif2000.125.5) and IETF (draft-ietf-mpls-generalized-rsvp-te-03.txt)
> > > related to bidirectional LSPs. OIF's O-UNI document says [docId
> > > oif2000.125.5, page 93 Figure 12-1] the destination UNI-C must
> > > insert a RESV_CONFIRM object in the RESV message and should wait for
> > > ResvConf message before start transmitting data.
> > > But, the IETF document says the terminator node process path message
> > > as usual with the exception that the upstream label can immediately be
> > > used to transport data traffic associated with the LSP upstream towards
> > > the initiator.
> > >
> > > Please Help.
> > >
> > > Regards,
> > > manoj.
> >
> >I don't see a problem in this case.  Having the two ends more
> >constrained than the middle as to when a circuit can be considered in
> >service doesn't seem to present a problem.
> >
> >But my personal opinion is that the RESV Conf should be optional for
> >the UNI.
> >
> >...George
> >
> >==================================================================
> >George Swallow       Cisco Systems                   (978) 244-8143
> >                      250 Apollo Drive
> >                      Chelmsford, Ma 01824
>
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