Re: [6lowpan] [Roll] draft-kelsey-intarea-mesh-link-establishment-03.txt

Thomas Heide Clausen <ietf@thomasclausen.org> Fri, 15 June 2012 13:15 UTC

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From: Thomas Heide Clausen <ietf@thomasclausen.org>
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Date: Fri, 15 Jun 2012 15:15:36 +0200
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To: Michael Richardson <mcr+ietf@sandelman.ca>
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Subject: Re: [6lowpan] [Roll] draft-kelsey-intarea-mesh-link-establishment-03.txt
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On Jun 15, 2012, at 15:12 , Michael Richardson wrote:

> 
>>>>>> "Thomas" == Thomas Heide Clausen <ietf@thomasclausen.org> writes:
>    Thomas> Not sure how fantastic (or not) it is - it is not
>    Thomas> immediately clear to me how tied MLE should be to RPL - if
>    Thomas> it truly aims at being for _MESH_ link establishment, then
>    Thomas> it would appear to be a much larger scope, and should not be
>    Thomas> tied narrowly to a special-purpose protocol's type-space (&
>    Thomas> conventions etc., that do not apply universally). 
> 
> Thomas, you will note that:
>  1) I suggested it go under IPv6 ICMP first, and if there was such push
>     back about allocating a new type, that RPL could allocate a type/code.
>  2) ZigBee alliance (the proposal), *IS* using RPL.
> 

In that case, the draft must be very narrowly scoped and written such that it's clear that it's applicable _only_ to that context (special-purpose deployments of a special-purpose protocol), and specifically to not pretend to do general mesh link establishment.

> I see running it over UDP very architecturally strange.

I don't.

Thomas

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