RE: Warren Kumari's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)

<stephane.litkowski@orange.com> Thu, 12 October 2017 06:50 UTC

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From: stephane.litkowski@orange.com
To: Warren Kumari <warren@kumari.net>, The IESG <iesg@ietf.org>
CC: "draft-ietf-rtgwg-uloop-delay@ietf.org" <draft-ietf-rtgwg-uloop-delay@ietf.org>, "rtgwg-chairs@ietf.org" <rtgwg-chairs@ietf.org>, "chrisbowers.ietf@gmail.com" <chrisbowers.ietf@gmail.com>, "rtgwg@ietf.org" <rtgwg@ietf.org>
Subject: RE: Warren Kumari's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)
Thread-Topic: Warren Kumari's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)
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Date: Thu, 12 Oct 2017 06:50:26 +0000
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Hi Warren,

Thanks for your review.

I will fix it in the next revision.

Brgds,


-----Original Message-----
From: Warren Kumari [mailto:warren@kumari.net] 
Sent: Wednesday, October 11, 2017 23:30
To: The IESG
Cc: draft-ietf-rtgwg-uloop-delay@ietf.org; rtgwg-chairs@ietf.org; chrisbowers.ietf@gmail.com; rtgwg@ietf.org
Subject: Warren Kumari's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)

Warren Kumari has entered the following ballot position for
draft-ietf-rtgwg-uloop-delay-07: No Objection

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The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-uloop-delay/



----------------------------------------------------------------------
COMMENT:
----------------------------------------------------------------------

Section 1.  Introduction:
"That means that all non-D neighbors of S on the
   topology will send to S any traffic destined to D if a neighbor did
   not, then that neighbor would be loop-free."
 -- I was unable to parse the above. I may just be overtired, but it feels like  there are some missing words.

Nits:
" When S-D fails, a transient forwarding loop may appear between S and
   B if S updates its forwarding entry to D before B."
 -- Perhaps "... entry to D before B does." or "... before B updates its  forwarding entry"?

Section 2.1.  Fast reroute inefficiency
"On the  router C, the nexthop to D is the tunnel T thanks to the IGP shortcut." s/the//

"On C, the tail-end of the TE tunnel (router B) is no more on the shortest-path tree (SPT) to D, ..." s/is no more on/is no longer on/ (related) "... so C does not encapsulate anymore the traffic to D..." s/does not encapsulate anymore/no longer encapsulates/

Section 3.  Overview of the solution
"This ordered convergence, is similar to the ordered FIB ..."
s/,/ (superfluous).



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