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Liaison statement
Intent to initiate approval of MPLS-TP Recommendations

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State Posted
Submitted Date 2017-04-27
From Group ITU-T-SG-15
From Contact Hiroshi Ota
To Group mpls
To Contacts Nicolai Leymann <>
Loa Andersson <>
George Swallow <>
Cc Alvaro Retana <>
Deborah Brungard <>
Multiprotocol Label Switching Discussion List <>
Scott Mansfield <>
George Swallow <>
John Drake <>
Alia Atlas <>
Loa Andersson <>
Nicolai Leymann <>
Response Contact
Purpose For information
Attachments SG-LS021
ITU-T SG15 wishes to inform the IETF MPLS WG of our intent to initiate the
approval process for the following documents related to MPLS-TP at the June
2017 plenary meeting of Study Group 15:

1. Draft Recommendation ITU-T G.8132/Y.1383 MPLS-TP Shared Ring Protection,
provided that the IESG approves the related Internet-Draft prior to the SG15
closing plenary. 2. Draft Amendment 1 to Recommendation ITU-T G.8112/Y.1371
Interfaces for the MPLS transport profile layer network: Amendment 1 (08/2015)
3. Draft Amendment 1 to Recommendation ITU-T G.8121/Y.1381 Characteristics of
MPLS-TP equipment functional blocks: Amendment 1 (04/2016) 4. Draft Amendment 1
to Recommendation ITU-T G.8121.2/Y.1381.2 Characteristics of MPLS-TP equipment
functional blocks supporting ITU-T G.8113.2/Y.1372.2 OAM mechanisms: Amendment
1 (04/2016) 5. Draft Amendment 1 to Recommendation ITU-T G.8113.2/Y.1372.2
Operations, administration and maintenance mechanisms for MPLS-TP networks
using the tools defined for MPLS: Amendment 1 (08/2015) 6. Draft Revision of
Recommendation ITU-T G.8151/Y.1374 Management aspects of the MPLS-TP network
element (01/2015)

The current drafts of all the documents referenced above are attached. We would
appreciate any comments you may have on these documents.

The next meeting of ITU-T SG15 is in Geneva, Switzerland, 19-30 June 2017.