Re: [ippm] RFC 8321 and 8889

"Ran Pang(联通集团中国联通研究院- 本部)" <pangran@chinaunicom.cn> Fri, 20 August 2021 10:00 UTC

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To: Martin Duke <martin.h.duke@gmail.com>, IETF IPPM WG <ippm@ietf.org>
Thread-Topic: [ippm] RFC 8321 and 8889
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Date: Fri, 20 Aug 2021 09:59:52 +0000
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Subject: Re: [ippm] RFC 8321 and 8889
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Hi Martin and WG,

The alt-mk described in RFC8321/8889 has been deployed in some of our networks.
It works well.
So I would like the WG consider elevate them to proposed standard.

Best regards,
Pang Ran.

From: Martin Duke<mailto:martin.h.duke@gmail.com>
Date: 2021-08-13 02:26
To: IETF IPPM WG<mailto:ippm@ietf.org>
Subject: [ippm] RFC 8321 and 8889
Hello IPPM,

(with AD hat on)

The IESG is currently considering
https://datatracker.ietf.org/doc/html/draft-ietf-6man-ipv6-alt-mark-08
which is the implementation of RFC 8321<https://www.rfc-editor.org/rfc/rfc8321.html> and 8889<https://www.rfc-editor.org/rfc/rfc8889.html> techniques in an IPv6 framework. IIUC, this is very much how things are "supposed to work" -- measurement definitions and methodology are done by IPPM, and the protocol-specific instantiations are in the respective working groups.

However, there are complications in that 8321 and 8889 are Experimental RFCs, and the ipv6-alt-mark draft is a Proposed Standard. This has resulted in text from 8321/8889 going into ipv6-alt-mark so that it can be elevated to PS. I'm told that, if the status quo holds, other drafts will reference ipv6-alt-mark to avoid a downref. This seems suboptimal.

I would prefer that we take one of the two following actions:
1) If the WG has consensus that we are comfortable that there is enough experience with 8321 and/or 8889 to elevate them to PS, I can initiate a document action to change their status.

2) If there is no such consensus, ipv6-alt-mark should be Experimental.

In either case, the draft can probably lose some of the duplicate text.

Logically, there is a third option -- that the bits of the RFCs copied in the draft are mature enough to be a standard, but that the others aren't. Though I'm not an expert, I doubt this is the case. But if people believe it to be true, we'll have to come up with new options.

I would be grateful for the working group's thoughts about these documents and the ideas therein. Is it reasonable for people to read and reflect on this by 26 August (2 weeks from today?)

Thanks,
Martin
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