Subject: [Pce] [Technical Errata Reported] RFC8231 (5492)

From: RFC Errata System <[email-masked]>
Date: Wed, 5 Sep 2018 04:35:13 -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/eid5492

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Type: Technical
Reported by: Upendra Singh <[email-masked]>

Section: 6.1

Original Text
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Under section 6.1, PCRpt message is defined.
In definition of path,

    Where:
      <path>::= <intended-path>
                [<actual-attribute-list><actual-path>]
                <intended-attribute-list>

And in the same section in 4th last paragraph:

"Note that the intended-attribute-list is optional and
   thus may be omitted.  In this case, the PCE MAY use the values in the
   actual-attribute-list as the requested parameters for the path."

Corrected Text
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Notes
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The definition of <path> defines that <actual-attribute-list> is optional, whereas down in paragraph it says <intended-attribute-list> is optional.

This creates the conflict between PCRpt message format and the text description of the 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