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RE: Gen-ART review of draft-ietf-bfd-mib-17

2014-04-17 17:07:07
Hi Adrian,

As clarified in my response to Nobo, I raised the concern about writable
MIB modules primarily as a process check (I was expecting to find something
on this topic in the shepherd writeup, and didn't).  In particular, this
concern was not intended as a strong reason not to publish, and I have no
disagreements with any of the points in your message below.

With you on top of this and the OPS folks sure to notice, I have no doubt
that this will get suitably addressed, although it might be simpler to
ensure that the OPS Area is ok now rather than waiting for IESG Evaluation.

Thanks,
--David (in part, wearing his OPS Directorate member "hat").

-----Original Message-----
From: Adrian Farrel [mailto:adrian(_at_)olddog(_dot_)co(_dot_)uk]
Sent: Thursday, April 17, 2014 5:55 PM
To: Black, David; tnadeau(_at_)lucidvision(_dot_)com; 
zali(_at_)cisco(_dot_)com; nobo(_at_)cisco(_dot_)com;
'General Area Review Team'
Cc: rtg-bfd(_at_)ietf(_dot_)org; ietf(_at_)ietf(_dot_)org
Subject: RE: Gen-ART review of draft-ietf-bfd-mib-17

Hi David,

Thanks for the review.

To pick out one of your points:

This MIB contains many writable objects, so the authors should
take note of the IESG statement on writable MIB modules:

    http://www.ietf.org/iesg/statement/writable-mib-module.html

I did not see this mentioned in the shepherd writeup.  If the OPS Area
has not been consulted, I strongly suggest doing so during IETF Last
Call, e.g., starting with Benoit Claise (AD).

The OPS Directorate and the MIB Doctors will have been alerted to this
document
by the last call and we can expect their comments.

But this question was discussed between the AD and the authors, and the AD was
unlikely to agree to sponsor the document if he felt it went against the IESG
statement. Our discussion resulted in some reduction of writeable objects.

I think there are several points to consider:
1. This document had already been completed and publication requested (i.e.
shepherd write-up written) at the time of the IESG statement. It would be
unreasonable to make the statement retrospective.
2. There are already various implementations in equipment (not just management
stations) of proprietary modules approximating to this document and these
support write-access.
3. This is a low-level component protocol of the sort that is used on dumber
devices and that is an area where write-access is more common.

Cheers,
Adrian