Re: [Isis-wg] New Layer2 extensions to ISIS - thorough review will be required

[John E Drake <[e-mail]>]

Hi,

In particular, it appears that OTV is out of scope wrt the current charter.  Also, no one likes proprietary extensions more than I do, but they should have their own document and codepoints.

Thanks,

John
> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On Behalf
> Of John E Drake
> Sent: Sunday, April 25, 2010 4:19 AM
> To: David Allan I; 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
> 
> +1
> 
> > -----Original Message-----
> > From: [e-mail] [mailto:[e-mail]] 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: [e-mail] [mailto:[e-mail]] 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
> >
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