Re: [Roll] Loop free local DODAG repair solution

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 25 October 2012 12:39 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
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Comments: In-reply-to Jianlin Guo <guo@merl.com> message dated "Tue, 23 Oct 2012 10:11:36 -0400."
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Date: Thu, 25 Oct 2012 08:08:13 -0400
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Cc: Philip Orlik <porlik@merl.com>, Kieran Parsons <parsons@merl.com>
Subject: Re: [Roll] Loop free local DODAG repair solution
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Jianlin Guo <guo@merl.com> wrote:
    JG> Dear ROLL WG members,

    JG> As we all know that loop is an open issue in RPL. Experiment shows that loop
    JG> occurs quite often. We have proposed a loop free local DODAG

Can you quantify "quite often"?
Do you have any metrics for how often loops occur, and what the cost is
of their repair?

I think that the WG would be very very very interested in additional -experiences
draft, or pointers to papers explaining same, that gives a repeateable
experiment in which loops are observed.

-- 
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works 
IETF ROLL WG co-chair.    http://datatracker.ietf.org/wg/roll/charter/