Re: [Roll] Dissenting technical arguments unwelcome (was: Re: trickle-mcast-04 - Clarify scope value of 3 - subnet-local)

Tim Chown <tjc@ecs.soton.ac.uk> Thu, 25 July 2013 20:12 UTC

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From: Tim Chown <tjc@ecs.soton.ac.uk>
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Date: Thu, 25 Jul 2013 21:11:45 +0100
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References: <CE16B454.225BD%d.sturek@att.net> <1896F191-4448-41AF-BC56-E643371BCC4E@ecs.soton.ac.uk>
To: Don Sturek <d.sturek@att.net>
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Cc: Routing Over Low power and Lossy networks <roll@ietf.org>, "6man@ietf.org" <6man@ietf.org>
Subject: Re: [Roll] Dissenting technical arguments unwelcome (was: Re: trickle-mcast-04 - Clarify scope value of 3 - subnet-local)
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On 25 Jul 2013, at 19:03, Don Sturek <d.sturek@att.net> wrote:

> Hi Ulrich,
> 
> Let me say as an implementer of ROLL RPL (and Trickle Multicast) the topic
> of multi-link subnets and the general topic of multicast address scope
> continues to be a major concern.  For example, we needed to extend mDNS to
> cover site specific addressing for this reason as well as need to define
> another draft describing ULA prefix delegation rules and forwarding rules
> for border routers (yet to be done).

Hi,

It would be great to get requirements for this - hopefully this can be raised in the dnssdext BoF next week, and contributed into the draft-lynn-mdnsext-requirements-02 work by Kerry and Stuart. Currently the dnssdext charter includes this use case.

Tim