Re: [PWE3] VCCV2

Alexander Vainshtein <Alexander.Vainshtein@ecitele.com> Mon, 27 August 2012 18:14 UTC

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From: Alexander Vainshtein <Alexander.Vainshtein@ecitele.com>
To: Thomas Nadeau <tnadeau@lucidvision.com>
Thread-Topic: [PWE3] VCCV2
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Date: Mon, 27 Aug 2012 18:14:22 +0000
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Cc: Yaakov Stein <yaakov_s@rad.com>, "pwe3 (pwe3@ietf.org)" <pwe3@ietf.org>, "pwe3-chairs@tools.ietf.org" <pwe3-chairs@tools.ietf.org>
Subject: Re: [PWE3] VCCV2
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Tom, and all,
IMHO and FWIW slides do not replace drafts and (eventually) RFCs.

As for making Type 4 mandatory for non-CW: I think that relegating Type 3 to MS-PW while declaring Type 4 as mandatory is highly problematic because it would mean retrofitting. 

My 2c,
     Sasha

________________________________________
From: pwe3-bounces@ietf.org [pwe3-bounces@ietf.org] on behalf of Thomas Nadeau [tnadeau@lucidvision.com]
Sent: Monday, August 27, 2012 5:41 PM
To: Mahesh Jethanandani
Cc: Yaakov Stein; pwe3 (pwe3@ietf.org) pwe3-chairs@tools.ietf.org
Subject: Re: [PWE3] VCCV2

        Take a look at the slides from the meeting as they detail this, but in summary we would eliminate the router alert option. This reduces things down to 2 true modes of operation, and we could also attach some language that clarifies how and when to use both.

        The more comprehensive approach would consolidate all of the existing RFCs/drafts including MPLS-TP. This would normatively redefine all CC Types, would define type 2 as obsolete, type 1 as mandatory for CW, type 4 as mandatory for non-CW, and a variation of type 3 (manipulating TTL) as for multi-segment only

        --Tom


> What would a quick update cover?
>
> On Aug 26, 2012, at 5:00 AM, Yaakov Stein wrote:
>
>> PWE chairs,
>>
>> At the meeting Tom and I asked whether the WG wanted a quick update document,
>> or whether a full rewrite of all the VCCV RFCs was desired.
>>
>> Stewart suggested that we first do a quick update and thereafter a "tutorial".
>>
>> To a quick poll at the meeting there was (in the words of the minutes) an underwhelming response.
>> My own email to the list elicited only three responses.
>>
>> Could you ask for people to express their opinions ?
>> (A – quick doc   B – full doc   C – A and then possibly B later on)
>>
>> (I guess we have heard from Stewart in favor of C, and Greg M, Dave A, and Mach C in favor of B.
>>  I personally like C too.).
>>
>> Y(J)S
>>
>> _______________________________________________
>> pwe3 mailing list
>> pwe3@ietf.org
>> https://www.ietf.org/mailman/listinfo/pwe3
>
> Mahesh Jethanandani
> mjethanandani@gmail.com
>
>
>
> _______________________________________________
> pwe3 mailing list
> pwe3@ietf.org
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