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Martin,
Does this mean that the use RAO is basically thought of as a bad thing
by the IESG?
John
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of
ext Martin Stiemerling
Sent: Tuesday, May 27, 2008 6:36 PM
To: nsis
Subject: [NSIS] Status update about GIST
Hi all,
It has been a bit silent the last weeks about what is actually happening
with GIST. You might still remember that GIST go sent to the IESG and
underwent the IESG review and discussion.
The GIST spec got quite an amount of ABSTAINS during the IESG review and
therefore is blocked. Most of the IESG members have had concerns about
GIST and this led to the ABSTAINS.
However, to get things progressed, Magnus initiated a joint telechat
between the IESG, Robert, Henning and me to discuss the ABSTAINS. The
call took place on Thursday, May 15, 5:30 pm CEST. Here is brief summary
(that reassembles my memory):
The discussion with the IESG centered around the Router Alert Options in
IPv4 but also touching IPv6. The general concern about thiss is that
NSIS could lead to a flood of IP packets including IP RAO options and
that this could effect existing RSVP-TE deployments, plus all current
routers (as IP options go to the slow path), and finally that packets
with RAO options are anyhow filtered at the edges of the Internet. This
cause most of the ABSTAINS and the call for GIST being pushed to the
experimental track instead the standards track.
The issues associated with RAO were discussed for quite some while (I
remember 1 hours or so) and we couldn't find any agreement for the IESG
on staying with RAO as part of the GIST spec AND going for standards
track. The envisioned solutions to this is, revert to packet filtering
mechanism (e.g. 5-tuple) to intercept GIST packets, instead of RAO, in
the GIST specification. This would be allowed to go GIST as standard
track. The RAO part will be cut out of the GIST spec and pushed to a
separate document. This new document will go on experimental track.
This splitting will also effect the NSLPs, as they are also definin RAO
usage.
Martin
[email protected]
NEC Laboratories Europe - Network Research Division NEC Europe Limited |
Registered Office: NEC House, 1 Victoria Road, London W3 6BL |
Registered in England 2832014
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