Re: Last Call: <draft-ietf-6man-rfc4291bis-07.txt> (IP Version 6 Addressing Architecture) to Internet Standard

Lorenzo Colitti <lorenzo@google.com> Thu, 23 February 2017 13:38 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Thu, 23 Feb 2017 22:37:52 +0900
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Subject: Re: Last Call: <draft-ietf-6man-rfc4291bis-07.txt> (IP Version 6 Addressing Architecture) to Internet Standard
To: Job Snijders <job@ntt.net>
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On Thu, Feb 23, 2017 at 8:37 PM, Job Snijders <job@ntt.net>; wrote:

> For the benefit of the working group, what Lorenzo describes is the
> following in linux-lingo:
> [...]
>

Actually no, what I was saying was literally to leave the addresses as /64s
and configure the first-hop router to route the /126 to the prefix. The
hosts won't care.


> I also fear that the moment "disunited addressing & routing" become
> commonplace, you'll find your devices on the dirty end of a
> '/120 routed + /64 addressed'-link and have a dysfunctional experience.
> As far as I know there is no way to signal host "only a /120 out of this
> /64 is routed".
>

The host doesn't really need to know.