Re: [Isis-wg] New Layer2 extensions to ISIS - thorough review will be required
John E Drake <jdrake@juniper.net> Sun, 25 April 2010 11:26 UTC
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From: John E Drake <jdrake@juniper.net>
To: David Allan I <david.i.allan@ericsson.com>, David Ward <dward@juniper.net>, isis-wg <isis-wg@ietf.org>
Date: Sun, 25 Apr 2010 04:18:51 -0700
Thread-Topic: [Isis-wg] New Layer2 extensions to ISIS - thorough review will be required
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Cc: Christian Hopps <chopps@rawdofmt.org>, Adrian Farrel <Adrian.Farrel@huawei.com>, Ralph Droms <rdroms@cisco.com>
Subject: Re: [Isis-wg] New Layer2 extensions to ISIS - thorough review will be required
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+1 > -----Original Message----- > From: isis-wg-bounces@ietf.org [mailto:isis-wg-bounces@ietf.org] On Behalf > Of David Allan I > Sent: Saturday, April 24, 2010 9:31 AM > To: David Ward; isis-wg > Cc: Christian Hopps; Adrian Farrel; Ralph Droms > Subject: Re: [Isis-wg] New Layer2 extensions to ISIS - thorough review > will be required > > Hi Folks: > > While the decision of splitting the drafts is in discussion (and that is a > direction I favor as the scope of IS-IS changes is radically different and > disjoint between the "layer 2"s), the question needs to be asked "what in > the draft survives the split as WG items". > > 802.1aq - yes > TRILL - yes > OTV - does not belong here, it is proprietary... > > If OTV is standardized it COULD be considered by the WG at some point in > the future. Right now it is simply an wholly inappropriate complication in > addressing the two technologies the WG has agreed to... > > It should be removed from the draft and a new version published ASAP. > > My 2 cents > D > > -----Original Message----- > From: isis-wg-bounces@ietf.org [mailto:isis-wg-bounces@ietf.org] On Behalf > Of David Ward > Sent: Friday, April 23, 2010 1:30 PM > To: isis-wg > Cc: Christian Hopps; Ralph Droms; Jari Arkko; Adrian Farrel > Subject: [Isis-wg] New Layer2 extensions to ISIS - thorough review will be > required > > All - > > The WG Chairs would like to be clear on the approach to review and > progression of the draft: draft-ietf-isis-layer2. There will be a request > for the routing directorate, specific guest reviewers and a lengthy > community review. There will also be a requirement of multiple, > interoperable implementations. Whether we split the draft into TRILL, .aq, > OTV extensions into separate drafts or not, the foundational changes to > ISIS for each of the technologies will need to be proven working and > correct. > > The draft itself will need to be cleaned up and clear what PDUs, TLVs, etc > are necessary for any of this technology which will make reading and > implementation awareness easier. If we decide to split them (we will > decide later - please remain calm and not discuss this nit now- let's get > the information completed as we know it); it will be quite trivial. If we > decide not to; it will be clear to the reader/implementor. > > The purpose of such a process is because in several decades of the > existence of ISIS and extremely wide deployment, no new PDU types were > ever deemed necessary. The new TLVs being proposed and the data being > carried has never been carried before and may cause new scaling, > performance or other impacts that we don't currently understand. We need > to fully understand the impact of these changes and learn what we don't > know about the changes we are proposing. I've found in my experience that > new protocols, new technologies and fundamental changes to protocols > require a deep understanding and implementation experience and not a rush > to RFC. Headsup > > Thanks. > > -DWard, CHopps > > _______________________________________________ > Isis-wg mailing list > Isis-wg@ietf.org > https://www.ietf.org/mailman/listinfo/isis-wg > _______________________________________________ > Isis-wg mailing list > Isis-wg@ietf.org > https://www.ietf.org/mailman/listinfo/isis-wg
- [Isis-wg] New Layer2 extensions to ISIS - thoroug… David Ward
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… David Allan I
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… John E Drake
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Paul Unbehagen
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… John E Drake
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Peter Ashwood-Smith
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… David Ward
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Fedyk, Donald (Don)
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Stewart Bryant
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Paul Unbehagen
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… Peter Ashwood-Smith
- Re: [Isis-wg] New Layer2 extensions to ISIS - tho… David Michael Bond