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:
https://www.rfc-editor.org/errata/eid6627

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Type: Technical
Reported by: Oscar Gonzalez de Dios <[email protected]>

Section: 6.4

Original Text
-------------
  <request>::= <RP>
                      <END-POINTS>
                      [<LSP>]
                      [<LSPA>]
                      [<BANDWIDTH>]
                      [<metric-list>]
                      [<RRO>[<BANDWIDTH>]]
                      [<IRO>]
                      [<LOAD-BALANCING>]

Corrected Text
--------------
  <request>::= <RP>
                      <END-POINTS>
                      [<LSP>]
                      [<CLASSTYPE>]
                      [<LSPA>]
                      [<BANDWIDTH>]
                      [<metric-list>]
                      [<RRO>[<BANDWIDTH>]]
                      [<IRO>]
                      [<LOAD-BALANCING>]

Notes
-----
RFC 5455 defines the CLASSTYPE object and specifies that the CLASSTYPE object 
MUST
   be inserted after the END-POINT objects. RFC 8231 defines the LSP object and 
specifies that  the LSP object MUST be inserted after the END-POINTS object. 
Hence, it is not clear if CLASSTYPE or LSP goes after END-POINTS. Hence, to 
disambiguate and avoid interoperability issues, the proposal is to include the 
CLASSTYPE object in the updated grammar. The order would be 
<END-POINTS>[<LSP>][<CLASSTYPE>]

Instructions:
-------------
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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

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