The following errata report has been submitted for RFC5521, "Extensions to the Path Computation Element Communication Protocol (PCEP) for Route Exclusions".
-------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=5521&eid=1775 -------------------------------------- Type: Technical Reported by: Alfred Hoenes <[email protected]> Section: 2.1.1, pg. 6 Original Text ------------- Type The type of the subobject. The following subobject types are defined. Type Subobject -------------+------------------------------- 1 IPv4 prefix 2 IPv6 prefix 4 Unnumbered Interface ID 32 Autonomous system number 34 SRLG Length [...] Prefix Length [...] Attribute The Attribute field indicates how the exclusion subobject is to be interpreted. 0 Interface The subobject is to be interpreted as an interface or set of interfaces. All interfaces identified by the subobject are to be excluded from the computed path according to the setting of the | X-bit. This value is valid only for subobject types 1, 2, and 3. 1 Node The subobject is to be interpreted as a node or set of nodes. All nodes identified by the subobject are to be excluded from the computed path according to the setting of the X-bit. This value | is valid only for subobject types 1, 2, 3, and 4. 2 SRLG The subobject identifies an SRLG explicitly or indicates all of the SRLGs associated with the resource or resources identified by the subobject. Resources that share any SRLG with those identified are to be excluded from the computed path according to the setting of the X-bit. This value is valid for all subobjects. Corrected Text -------------- Attribute The Attribute field indicates how the exclusion subobject is to be interpreted. Type [...] Length [...] Prefix Length [...] Attribute The Attribute field indicates how the exclusion subobject is to be interpreted. 0 Interface The subobject is to be interpreted as an interface or set of interfaces. All interfaces identified by the subobject are to be excluded from the computed path according to the setting of the X-bit. This value is valid only for subobject types 1, 2, | and 4. ^ 1 Node The subobject is to be interpreted as a node or set of nodes. All nodes identified by the subobject are to be excluded from the computed path according to the setting of the X-bit. This | value is valid only for subobject types 1, 2, 4, and 32. ^ ^^ 2 SRLG The subobject identifies an SRLG explicitly or indicates all of the SRLGs associated with the resource or resources identified by the subobject. Resources that share any SRLG with those identified are to be excluded from the computed path according to the setting of the X-bit. This value is valid for all subobjects. Notes ----- Rationale: a) Technical: The enumeration of subobject types for Attribute '0 Interface' and '1 Node' is out of sync with the table at the top of the page and the IANA registry (cf. Section 4.1 of this RFC, on page 13). The Corrected Text proposed above is based on the assumption that the figures given originally refer to the position of the subobjects in the table, i.e. that the subobjects in the table once had been assigned sequential type numbers, 1 through 5; this change seems to be technically reasonable. b) Editorial: For clarity, the details for the Attribute field values should have been indented one more step, making them visually subordinate to 'Attribute' and not appearing like additional common fields. Instructions: ------------- This errata is currently posted as "Reported". If necessary, please use "Reply All" to discuss whether it should be verified or rejected. When a decision is reached, the verifying party (IESG) can log in to change the status and edit the report, if necessary. -------------------------------------- RFC5521 (draft-ietf-pce-pcep-xro-06) -------------------------------------- Title : Extensions to the Path Computation Element Communication Protocol (PCEP) for Route Exclusions Publication Date : April 2009 Author(s) : E. Oki, T. Takeda, A. Farrel Category : PROPOSED STANDARD Source : Path Computation Element Area : Routing Stream : IETF Verifying Party : IESG _______________________________________________ Pce mailing list [email protected] https://www.ietf.org/mailman/listinfo/pce
