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

Ralph Droms <rdroms.ietf@gmail.com> Wed, 13 August 2014 19:50 UTC

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From: Ralph Droms <rdroms.ietf@gmail.com>
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Date: Wed, 13 Aug 2014 15:49:45 -0400
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Cc: 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 Aug 13, 2014, at 3:11 PM 8/13/14, Philip Levis <pal@cs.stanford.edu> wrote:

> On Aug 13, 2014, at 9:48 AM, Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
> 
>> The need for this work was agreed at ROLL. We need a better solution than available, for application in RPL domains, that are often but not necessarily congruent with 6LowPAN domains.
> 
> This seems to me to be the strong technical argument in favor of the draft. While Carsten's approach seems better technically, it only works for 6lowpan, and RPL should be independent of the underlying link layer.

Could we consider Carsten's approach a compression mechanism for the RPL information options, rather than a replacement, thereby allowing a one-to-one translation between compressed mode on 6lowpan networks and uncompressed mode in other networks?

- Ralph

> 
> Phil
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