Re: [Roll] WGLC - Working Group Last Call - draft-ietf-roll-trickle-mcast-05

Hi Michael,

Do you have time for a brief chat today?
978-440-8508.

Thanks, -K-

On Mon, Sep 16, 2013 at 10:59 AM, Michael Richardson
<mcr+ietf@sandelman.ca>wrote:

>
> Kerry Lynn <kerlyn@ieee.org> wrote:
>     don>>           I believe it is requirement that all devices in a given
>     don>> MPL Domain MUST agree on a common value for IMIN, IMAX and k.  In
>     don>> terms of a default, we can certainly create such values
> applicable
>     don>> to given deployment topology and an assumed messaging profile
> but I
>     don>> really think some work should go into an applicability statement
>     don>> that would provide additional guidance on how to tune these
>     don>> values.  I think I mentioned this before but we did (in ZigBee
> IP)
>     don>> create a 30 node, 3 hop network supporting a ROLL RPL instance,
>     don>> instrumented all devices, created a single multicast message and
>     don>> measured how many devices in the network saw at least a single
> copy
>     don>> of the transmission using various settings for IMIN, IMAX and k.
>  A
>     don>> process similar to this (with knowledge of the topology and
>     don>> messaging profile) is needed for tuning these values in a real
>     don>> deployment setting.
>
>     Kerry> ACK.  Thanks for your explanations.
>
> With this, are your questions resolved, or are there further text changes
> requested?
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
> IETF ROLL WG co-chair.    http://datatracker.ietf.org/wg/roll/charter/
>
>
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