Re: Multi-Area TE Protocol Extensions

[Jean Philippe Vasseur <jvasseur@cisco.com>]

Hi Dimitri,

cc'ing CCAMP - see in line,

At 17:45 10/12/2002 +0100, Dimitri.Papadimitriou@alcatel.be wrote:
> jp,
>
> in fact the below list should simply be as follows for
> signalling-based methods: 1) constraint-passing 2) loose
> routing and 3) path query;
>
> and the for constraint-passing we have a several i-d's
> such as,
>
> http://www.ietf.org/internet-drafts/draft-lee-ccamp-rsvp-te-exclude-route-01.txt 
this ID does not propose a mechanism to compute inter-area TE path

> constraint passing may also be extended using the crank-
> back as listed below; the usage scenarios of these methods
> are described in the following:
>
> http://www.ietf.org/internet-drafts/draft-kompella-mpls-multiarea-te-03.txt
>
> now probably it is worth spending some time in considering
> input coming from the tewg wrt to this effort, most of the
> input that you see listed above has been produced over the
> past year (and more) i can't imagine stepping in the protocol
> details without a clear consensus on what do we want to cover
> within the ccamp wg & w/o taking into account the tewg rec's
> (probably better to discuss this on the ccamp mailing list)
Fully agree with you. Hopefully multi-area TE should be soon part of the 
CCAMP charter.

JP.

> thanks,
> - dimitri.
>
> Jean Philippe Vasseur wrote:
> >
> > Hi,
> >
> > At 13:53 10/12/2002 +0530, sachin laddha wrote:
> > >Hi,
> > >'draft-ash-multi-area-te-reqmts-01.txt' stated in section 5 as
> > >"Initial requirements are given here for protocol support of the 
> multi-area
> > >TE methods, which include needs to support
> > >
> > >*       path-computation-server (PCS) functionality [kompella, lee, 
> vasseur,
> > >te-qos-routing],
> > >*       query functionality [query, vasseur],
> > >*       crankback functionality [crankback],
> > >
> > >and, optionally,
> > >
> > >*       TE feedback functionality [feedback], and
> > >*       summary-LSA functionality [summary_lsa]."
> > >.
> > >I want to know whether cisco/juniper routers (standard ones) supports 
> all of
> > >the above extension.
> > >or if not,how many.......or Whether router is supposed to support how many
> > >...
> >
> > I do not think any vendor supports all the method mentioned above, but just
> > a subset. If you are running a network, your feed-backs on your preferred
> > method is very welcome.
> >
> > JP.
> >
> > >Regards,
> > >---Sachin
>
> --
> Papadimitriou Dimitri
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