Re: [Roll] [6lo] WGLC for draft-thubert-6man-flow-label-for-rpl-03

Brian E Carpenter <brian.e.carpenter@gmail.com> Wed, 13 August 2014 20:52 UTC

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Date: Thu, 14 Aug 2014 08:52:56 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Philip Levis <pal@cs.stanford.edu>
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Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>, 6man WG <ipv6@ietf.org>, "6lo@ietf.org WG" <6lo@ietf.org>
Subject: Re: [Roll] [6lo] WGLC for draft-thubert-6man-flow-label-for-rpl-03
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On 14/08/2014 07:07, Philip Levis wrote:
> On Aug 13, 2014, at 9:48 AM, Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
> 
>> If this draft is not adopted, the flow label from LLN will probably stay all zeroes as it is today and the goal of 6437 will not be achieved.
> 
> Pascal, I'm trying to reconcile your claim that the goal of 6437 is to allow enclosed networks to use the flow label with Brian's statement
> 
>> Actually that's why I don't want to see a formal
>> update to 6437, because the only rational update would be to allow
>> any closed domain to invent its own usage. We had that argument at
>> length during the development of 6437, and decided against it.
> 
> Phil

Right. I'm drawing a very subtle line between (a) stating an exception
to 6437 for this particular usage and (b) opening the door to other
usages. Since 6man clearly didn't want (b) during the development of
6437 I think we do need to limit ourselves to (a).

    Brian