Re: [IPv6] Adoption call for draft-bctb-6man-rfc6296-bis

Tim Chown <Tim.Chown@jisc.ac.uk> Wed, 20 March 2024 13:34 UTC

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From: Tim Chown <Tim.Chown@jisc.ac.uk>
To: Ted Lemon <mellon@fugue.com>
CC: Nick Buraglio <buraglio@forwardingplane.net>, IPv6 List <ipv6@ietf.org>
Thread-Topic: [IPv6] Adoption call for draft-bctb-6man-rfc6296-bis
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Date: Wed, 20 Mar 2024 13:34:10 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/sf28ZbArlNQo1Jgsv7iJd4yIQMQ>
Subject: Re: [IPv6] Adoption call for draft-bctb-6man-rfc6296-bis
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Hi,

On 20 Mar 2024, at 00:18, Ted Lemon <mellon@fugue.com> wrote:

On Tue, Mar 19, 2024 at 11:32 PM Nick Buraglio <buraglio@forwardingplane.net<mailto:buraglio@forwardingplane.net>> wrote:
Agreed, happiness should not determine success. From what I have seen (which is admittedly limited) moving from experimental to a "higher level" RFC is typically accompanied by something like a deployment status document, e.g. the SRv6 deployment status doc here https://datatracker.ietf.org/doc/html/draft-matsushima-spring-srv6-deployment-status

I think it's really important  to distinguish between "this draft solves a problem" and "this draft solves a problem that can't be solved already" and "this experiment has succeed and we can promote the document to informational or standards-track."

I think we can all agree that this draft solves a problem. I think it solves exactly one problem: allowing sites to keep stable internal addressing in the face of renumbering by ISPs and/or changing ISPs.

However, this problem can be addressed the way 7084 currently solves it: by numbering the internal network with a stable ULA and hosting services on addresses within that ULA rather than on a temporary GUA provided by the ISP.

Which is an interesting observation on the 6724-update discussion - in this approach you’re suggesting the internal device has only a ULA, and no GUA, so there’s stability without the need to choose an address pair ULA-ULA or GUA-GUA.  The question though is on that device’s addressability from elsewhere, and how that is achieved and at what cost.

Tim