Subject: [Pce] [Technical Errata Reported] RFC8231 (5376)

From: RFC Errata System <[email-masked]>
Date: Sat, 2 Jun 2018 01:54:36 -0700 (PDT)

The following errata report has been submitted for RFC8231,
"Path Computation Element Communication Protocol (PCEP) Extensions for Stateful PCE".

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You may review the report below and at:
http://www.rfc-editor.org/errata/eid5376

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Type: Technical
Reported by: Hari Krushna Kotni <[email-masked]>

Section: 7.2

Original Text
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In case of SRP-ID-number wrapping, the last
   SRP-ID-number before the wrapping MUST be explicitly acknowledged, to
   avoid a situation where SRP-ID-numbers remain unacknowledged after
   the wrap.  This means that the PCC may need to issue two PCUpd
   messages on detecting a wrap.

Corrected Text
--------------
In case of SRP-ID-number wrapping, the last
   SRP-ID-number before the wrapping MUST be explicitly acknowledged, to
   avoid a situation where SRP-ID-numbers remain unacknowledged after
   the wrap.  This means that the PCC may need to issue two PCRpt
   messages on detecting a wrap.

Notes
-----
incase of srp id wrap, once PCC detects it, PCC needs to issue PCRpt message not PCUpd message.

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RFC8231 (draft-ietf-pce-stateful-pce-21)
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Title               : Path Computation Element Communication Protocol (PCEP) Extensions for Stateful PCE
Publication Date    : September 2017
Author(s)           : E. Crabbe, I. Minei, J. Medved, R. Varga
Category            : PROPOSED STANDARD
Source              : Path Computation Element
Area                : Routing
Stream              : IETF
Verifying Party     : IESG