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Re: [v6ops] question about draft-jjmb-v6ops-unique-ipv6-prefix-per-host

Ted Lemon <mellon@fugue.com> Tue, 04 July 2017 00:25 UTC

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From: Ted Lemon <mellon@fugue.com>
Date: Mon, 03 Jul 2017 20:24:59 -0400
Message-ID: <CAPt1N1kdszd5cyfjs2r58Y-VsMo600ZN2RsTvyrVovqeHzB43Q@mail.gmail.com>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: IPv6 Ops WG <v6ops@ietf.org>, otroan@employees.org
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Subject: Re: [v6ops] question about draft-jjmb-v6ops-unique-ipv6-prefix-per-host
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Dnssd hybrid.proxy addresses this.

On Jul 3, 2017 7:31 PM, "Brian E Carpenter" <brian.e.carpenter@gmail.com>
wrote:

> On 04/07/2017 09:49, Ted Lemon wrote:
> > On Jul 3, 2017, at 5:41 PM, Ole Troan <otroan@employees.org> wrote:
> >> It breaks the assumption that everything you want discovered is within
> the same broadcast domain. Many think that assumption was broken anyway.
> >
> > Given the document I'm presently working on, I wouldn't really argue
> with that, except to say that it's still the default assumption in most
> environments.
>
> Yes, and that has deeply impacted both a document I'm working on
> (draft-ietf-anima-grasp) and a demo implementation thereof
> (https://github.com/becarpenter/graspy/blob/master/grasp.py).
>
> The cost of *not* having link-local multicast is considerable,
> because it means that every node, however dumb, must replicate
> and relay discovery in one way or another.
>
>     Brian
>

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