Re: [Roll] [roll] #157 (draft-doi-roll-mpl-parameter-configuration): mpl-parameter-configuration-00 - Effect of inconsistent parameter set among nodes

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 30 July 2014 19:48 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Date: Wed, 30 Jul 2014 15:48:05 -0400
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Subject: Re: [Roll] [roll] #157 (draft-doi-roll-mpl-parameter-configuration): mpl-parameter-configuration-00 - Effect of inconsistent parameter set among nodes
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Philip Levis <pal@cs.stanford.edu> wrote:
    > I think the most significant concern is when configuration changes
    > significantly modify Imin. In this case, the speed of per-hop update
    > can be bounded by the maximum of the old and new Imin values. E.g., if
    > the update has a much smaller Imin, then it will trigger nodes with the
    > old state to use their Imin, but if it's much larger it will take a
    > while before they transmit and implicitly request an update. Similarly,
    > if the update has a much higher Imin, it will take much longer for each
    > hop to transmit the first broadcast that triggers neighbors to shrink
    > their interval.

Can you offer any advice for the document on maximum deltas for Imin?
(a formula, if necessary)

--
Michael Richardson <mcr+IETF@sandelman.ca>ca>, Sandelman Software Works
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