Re: [Gen-art] Gen-ART review of draft-ietf-grow-bmp-15

John Scudder <jgs@juniper.net> Thu, 15 October 2015 18:19 UTC

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From: John Scudder <jgs@juniper.net>
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To: Jari Arkko <jari.arkko@piuha.net>, "Vijay K. Gurbani" <vkg@bell-labs.com>
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Cc: draft-ietf-grow-bmp@ietf.org, General Area Review Team <gen-art@ietf.org>, draft-ietf-grow-bmp.ad@ietf.org, draft-ietf-grow-bmp.chairs@ietf.org
Subject: Re: [Gen-art] Gen-ART review of draft-ietf-grow-bmp-15
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Thanks for the review, Vijay. Answers in-line below.

> On Oct 14, 2015, at 7:32 PM, Jari Arkko <jari.arkko@piuha.net> wrote:
> 
> Thanks for the review, Vijay. Good questions. Do the authors have an answer?
> 
> Jari
> 
> On 15 Oct 2015, at 00:49, Vijay K. Gurbani <vkg@bell-labs.com> wrote:
> 
>> I am the assigned Gen-ART reviewer for this draft. For background on
>> Gen-ART, please see the FAQ at
>> <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>.
>> 
>> Please resolve these comments along with any other Last Call comments
>> you may receive.
>> 
>> Document: draft-ietf-grow-bmp-15
>> Reviewer: Vijay K. Gurbani
>> Review Date: Oct-14-2015
>> IETF LC End Date: Not known
>> IESG Telechat date: Oct-15-2015
>> 
>> This document is ready as a Proposed Standard with two minor nits.
>> 
>> Major: 0
>> Minor: 2
>> Nits:  0
>> 
>> Minor:
>> - S3.2,, first paragraph: "No message is ever sent from the monitoring
>>  station to the monitored router."
>> You mean "No BMP message is ever sent from the monitoring station to
>> the monitored router."?  I suspect that the monitoring station can send
>> TCP messages (SYN, ACK, etc.) to the monitored router in order to open
>> up the TCP connection, no?

Yes, of course. I would be happy for your suggested change to be made (insert "BMP" into the sentence). I'll make this change when we issue a new version (which it looks like we will, based on the security discusses).

>> - S3.2, last paragraph: "If the monitoring station intends to end or
>>  restart BMP processing, it simply drops the connection, optionally
>>  with a Termination message."
>> The monitoring station cannot send a (BMP?) message to the monitored
>> router, right?  If so, I don't understand the utility of the
>> Termination method above

Wow, good catch, I have no idea what I was thinking. This could be resolved by either dropping the final "optionally with a termination message" clause, or by changing "monitoring station" to "router". I'm inclined to drop the offending final clause and have tentatively made this change for the next version.

Regards, 

– John

>> Thanks,
>> 
>> - vijay
>> --
>> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
>> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
>> Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
>> Web: http://ect.bell-labs.com/who/vkg/  | Calendar: http://goo.gl/x3Ogq
>> 
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