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Re: [Extra] Opsdir last call review of draft-ietf-extra-imap-replace-02

Stuart Brandt <stujenerin@aol.com> Wed, 24 October 2018 03:29 UTC

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Date: Tue, 23 Oct 2018 23:28:31 -0400
From: Stuart Brandt <stujenerin@aol.com>
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To: Scott Bradner <sob@sobco.com>
CC: ops-dir@ietf.org, extra@ietf.org, draft-ietf-extra-imap-replace.all@ietf.org, ietf@ietf.org
Subject: Re: [Extra] Opsdir last call review of draft-ietf-extra-imap-replace-02
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Thanks, Scott. Comments inline

On 10/20/2018 8:12 PM, Scott Bradner wrote:
> Reviewer: Scott Bradner
> Review result: Has Nits
>
> This is an OPS-DIR review of IMAP REPLACE Extension
> (draft-ietf-extra-imap-replace-02)
>
> imo - this proposal causes negative ops issues - i.e. it fixes potentially bad
> ops situations where the state of a message repository is not determinable due
> to the failure of one of a chain of commands. so it reduces potential ops issues
>
> that said, it seems to me that section 3.4 could more clearly state that no
> changes are to be made to the repository unless all changes are made - i.e.,
> 'all or nothing' - the information is there but it is a bit convoluted and the
> use of a clear simple statement would help

We had discussed this back around IETF93 and some server implementors 
indicated issues with an atomic guarantee. While I personally think it's 
much more valuable with such a guarantee, the wording for when to send 
the untagged EXPUNGE and the suppression of intermediate state responses 
was intended to cover the not-always-all-or-nothing nature.

>
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