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RE: Gen-ART review of draft-ietf-bfd-mib-18

2014-04-29 14:07:17
Hi David,

BFD-MIB-19 with suggested text has just been published.

URL:            http://www.ietf.org/internet-drafts/draft-ietf-bfd-mib-19.txt
Status:         https://datatracker.ietf.org/doc/draft-ietf-bfd-mib/
Htmlized:       http://tools.ietf.org/html/draft-ietf-bfd-mib-19
Diff:           http://www.ietf.org/rfcdiff?url2=draft-ietf-bfd-mib-19

Thanks again!

-Nobo

-----Original Message-----
From: Black, David [mailto:david(_dot_)black(_at_)emc(_dot_)com]
Sent: Tuesday, April 29, 2014 11:38 AM
To: Jeffrey Haas
Cc: Nobo Akiya (nobo); tnadeau(_at_)lucidvision(_dot_)com; Zafar Ali (zali); 
General
Area Review Team (gen-art(_at_)ietf(_dot_)org); rtg-bfd(_at_)ietf(_dot_)org; 
ietf(_at_)ietf(_dot_)org; Black,
David
Subject: RE: Gen-ART review of draft-ietf-bfd-mib-18

Jeff - could you work w/Nobo to get the word "historical" included in the
MIB draft as a characterization of BFD version 0 ?  For example, the following
text could be added to the introduction:

   because the BFD version 0 protocol is primarily of historical interest
   by comparison to the widespread deployment of the BFD version 1
protocol.

Thanks,
--David


-----Original Message-----
From: Jeffrey Haas [mailto:jhaas(_at_)pfrc(_dot_)org]
Sent: Tuesday, April 29, 2014 10:58 AM
To: Black, David
Cc: Nobo Akiya (nobo); tnadeau(_at_)lucidvision(_dot_)com; Zafar Ali (zali);
General Area Review Team (gen-art(_at_)ietf(_dot_)org); 
rtg-bfd(_at_)ietf(_dot_)org;
ietf(_at_)ietf(_dot_)org
Subject: Re: Gen-ART review of draft-ietf-bfd-mib-18

On Tue, Apr 29, 2014 at 02:00:05AM -0400, Black, David wrote:
With respect to the MIB, this concern is a nit, so I'm ok with going
ahead
without
making this change ...

... However ...

Your WG chairs and AD should be concerned that this significant flaw
in BFD version 0 (justifying a "SHOULD NOT use" recommendation) is
undocumented.

And also un-RFCed.

It was a "work in progress" that never fully saw the light of full
deployment.  Vendors very quickly moved to version 1 which fixed a
critical issue in the state machine.  If any version 0 survives, it's
historical and likely to be a source of operational agony rather than a
useful feature.

-- Jeff


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