Re: [6tisch] [Roll] Intention for draft-thubert-roll-forwarding-frags
Michael Richardson <mcr+ietf@sandelman.ca> Fri, 07 February 2014 15:26 UTC
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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Carsten Bormann <cabo@tzi.org>
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Date: Fri, 07 Feb 2014 10:26:05 -0500
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Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>, "6tisch@ietf.org" <6tisch@ietf.org>, "Jonathan Hui (johui)" <johui@cisco.com>
Subject: Re: [6tisch] [Roll] Intention for draft-thubert-roll-forwarding-frags
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Carsten Bormann <cabo@tzi.org> wrote: >> And then there is the capability to retry and do flow control over >fragment on a multihop forwarding plane. Forwarding fragments has this >side effect that 1 hop ARQ in the middle of a multihop forwarding plane >does not let the fragment source know that a fragment was abandoned >somewhere on the way. Incomplete packets are a bad idea in a constrained >node. Whether it is a good idea to protect fragments end-to -end over >the multihop LLN as opposed *or* on top of every hop is >debatable. Carsten opposes, and there were a number of other knee-jerk >reactions. But we need a people who understand forwarding and transport >to make the decision. > Right now, what we have is a clash of intuitions. Many people are > thinking “won’t work”, “not needed”, “doesn’t improve”. Others are > thinking that the new mechanisms would help. > As I said before, the only way to resolve this is getting data. Sounds like experimental track to me. -- Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
- Re: [6tisch] Intention for draft-thubert-roll-for… Pascal Thubert (pthubert)
- Re: [6tisch] [Roll] Intention for draft-thubert-r… Carsten Bormann
- Re: [6tisch] [Roll] Intention for draft-thubert-r… Michael Richardson