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Re: [Idr] MP-BGP Extension and the Procedures for IPv4/IPv6 Mapping Advertisement

Robert Raszuk <robert@raszuk.net> Mon, 18 March 2024 22:19 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Mon, 18 Mar 2024 23:19:36 +0100
Message-ID: <CAOj+MMGEuVPJScJ-Br9WgjKpAbMNW-G4kscfcbhtmkx2WiP+Ng@mail.gmail.com>
To: Randy Bush <randy@psg.com>
Cc: Interminable Discussion Room <idr@ietf.org>
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Subject: Re: [Idr] MP-BGP Extension and the Procedures for IPv4/IPv6 Mapping Advertisement
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It must have been so much fun back in the Jurassic to struggle so badly to
make new tech extremely backward non--compatible :)

But overall all it is cool to observe that already back then they so much
loved the concept of "Limited Domains" :-)

On Mon, Mar 18, 2024 at 10:54 PM Randy Bush <randy@psg.com> wrote:

> > Well you can only do reserved non globally routable IPv6 prefix for
> > embedding IPv4 address in them. Notice the first 4 zeros there ?
>
> which caused considerable 'discussion' back in the jurassic.  as with a
> few other things in 4291, simplicity and pragmatism did not prevail.  as
> you point out, this draft is caught betwwen that rock and a hard place.
>
> randy
>

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