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Liaison statement
LS on IM/DM modelling coordination

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State Posted
Submitted Date 2023-05-08
From Group ITU-T-SG-15
From Contact Hiroshi Ota
To Group IETF
To Contacts The IETF Chair <>
Cc The IESG <>
Scott Mansfield <>
The IETF Chair <> <>
John Drake <>
Response Contact
Purpose For information
Attachments SG15-LS062
This liaison advises about the ongoing series of cross-SDO virtual meetings to
coordinate work on information models.

ITU-T Q14/15 appreciates the coordination and support of SDOs in the
development of interoperable transport system and equipment management,
including time synchronization, carrier-grade Ethernet and MPLS-TP. ITU-T
Q14/15 will continue to host coordination virtual meetings on the following
dates. Modelling experts of the receiving SDOs of this liaison statements are
invited to join.

ITU-T Q14/15 would like to inform that the G.8151 Amendment 1 (Management
aspects of the MPLS-TP network element) and G.8152 (Protocol-neutral management
information model for the MPLS-TP network element) will be proposed for consent
at the November 2023 meeting of SG15.

Logistics details:
– Dates: 7 June 2023, 5 July 2023, 2 August 2023, 6 September 2023
– Time: 1300 - 1500 CEST (Geneva Switzerland)
– URL: Series of virtual meetings at