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Liaison Statement: LS53 - Review of the MPLS-TP Requirements draft

Submission Date: 2009-06-04
From: ITU-T SG 15 (Greg Jones)
To: IETF MEAD team (
Response Contact:
Technical Contact:
Purpose: For information
Attachments: LS53 - Review of the MPLS-TP Requirements draft - pdf
Thank you for providing the MPLS-TP requirements
(draft-ietf-mpls-tp-requirements-08.txt) for our review.  We support
the approval of this draft provided that you implement the changes
listed below:
1	 Requirement 59: Item c should be moved from requirement 59 to a
separate requirement since it is not part of the SLA
2	 Requirement 70:  Should be moved to the restoration section (2.8.2).
Currently, it is under the protection section.
3	 Requirement 66 D: The term "backtracking" should be defined, this
should be included in the rosetta draft. 
4	Ring protection section : 
The paragraph below requirement e, replace the words in "this section"
with “section" and replace the words "expressed above" by
"requirements expressed in sections 2.8 up to section"
5	 Requirement 107B: Replace the current text with following:
It SHOULD protect against multiple failures