Re: [Dcpel] Dcpel BoF support

Attila Báder (IJ/ETH) wrote:
..
> Dear all, as I understand the main goal of the working group would be
> to identify and define elements for DiffServ-based resource manager
> concept.
> 
We should spell this out better. It's really first to specify the
elements we can use to build a diffserv control plane. This lets
us figure out what we already have and what is still missing (in
the standards sense). I believe this of necessity includes documenting
some ways to use the control plane for operational control of
some useful differentiated services.

> I think that such concept should address inter-domain signaling as
> well. Note that there is an NSIS a proposal for path-decoupled
> signaling. If it gets through, NSIS could be used as protocol between
> resource managers. Anyway it should be avoided that IETF develops two
> protocols parallel for the same purpose.

It looks like many folks want to look at inter-domain issues. I don't
believe we should address the signaling protocol issue, but certainly
there needs to be some element of the intra-domain CP that handles
requests, including (or perhaps particularly) those from outside the
domain. I think the emphasis would be on what kind of information would
need to be extracted from those requests that would be necessary and
useful to the diffserv CP. If NSIS has a protocol that fits the bill,
great. If not, perhaps it's possible to add some options (as in Paulo's
work) working in the NSIS WG. I absolutely agree that we would not
want "parallel protocols" and, in fact, I think of developing a
signaling protocols (which is a transport issue not an ops issue)
as a definite non-item for this group.

	Kathie

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