Eric Rescorla's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)

Eric Rescorla <ekr@rtfm.com> Wed, 11 October 2017 21:42 UTC

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From: Eric Rescorla <ekr@rtfm.com>
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Subject: Eric Rescorla's No Objection on draft-ietf-rtgwg-uloop-delay-07: (with COMMENT)
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Eric Rescorla has entered the following ballot position for
draft-ietf-rtgwg-uloop-delay-07: No Objection

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COMMENT:
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Line 115
   Consider the case in Figure 1 where S does not have an LFA to protect
   its traffic to D.  That means that all non-D neighbors of S on the
You need to define LFA.

Line 118
   topology will send to S any traffic destined to D if a neighbor did
   not, then that neighbor would be loop-free.  Regardless of the
   advanced fast-reroute (FRR) technique used, when S converges to the
This is not a grammatical sentence.

Line 132
        S ------ B
             1
        Figure 1
What do the numbers in this box mean? I assume they are route metrics, but you
need to say so.

Line 136
   When S-D fails, a transient forwarding loop may appear between S and
   B if S updates its forwarding entry to D before B.
Something seems to have gone badly wrong with this paragraph. Are these lines
supposed to be in the previous paragraph.

Line 326
      unstable.  As an example, [I-D.ietf-rtgwg-backoff-algo] defines a
      standard SPF delay algorithm.
You need to define SPF here.

Line 338
   1.  The Up/Down event is notified to the IGP.
Usually, one would say that the IGP is notified of...

Line 552
           S

             Figure 7
Is this the same as the previous figure with T running CEAB?