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Re: [Pppext] working group last call for PPP TRILL protocol control protocol [was Re: I-D Action:draft-ietf-pppext-trill-protocol-02.txt]

William Allen Simpson <william.allen.simpson@gmail.com> Mon, 24 January 2011 16:48 UTC

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Date: Mon, 24 Jan 2011 11:51:05 -0500
From: William Allen Simpson <william.allen.simpson@gmail.com>
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Cc: rbridge@postel.org
Subject: Re: [Pppext] working group last call for PPP TRILL protocol control protocol [was Re: I-D Action:draft-ietf-pppext-trill-protocol-02.txt]
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On 1/16/11 2:23 PM, James Carlson wrote:
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-pppext-trill-protocol-02.txt
>
> I'm starting a working group last-call comment period for this draft.
> The new version incorporates changes for all of the comments received up
> to this point.
>
> Last call will run for two weeks.  Please submit any comments,
> questions, or concerns you might have to me or to the pppext@ietf.org
> mailing list (or both) on or before Sunday, January 30th, 2011.
>
Caveat: I'm not familiar with TRILL.  Radia does great work, but she's
always been rather biased in favor of IS-IS.  I remember a debate at
Interop '91 (or was it '92)....  But you have me at "Algorhyme"! ;-)

In any case, I disagree with section 3 item 3 regarding the OUI.  I'm a big
fan of completely finishing a specification, not leaving holes for later.
And a bigger fan of zero configuration that eliminates even the possibility
of an additional operational consideration!

IIRC, IETF now has an OUI.  Back in the day, we'd use something in the
CF0000 series (see [RFC-2153]).  Either should work OK.

PPP has a Magic Number, guaranteed to be unique between PPP interfaces on
the same device.  You should combine it with the OUI.  Simply require it
during LCP negotiation, as so many other PPP RFCs do already.

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