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Liaison statement
Reply to LS on Update on MEF 63 and Operator L1 Service Attributes

Additional information about IETF liaison relationships is available on the IETF webpage and the Internet Architecture Board liaison webpage.
State Posted
Submitted Date 2019-04-11
From Group ccamp
From Contact Scott Mansfield
To Group MEF
To Contacts
Cc Deborah Brungard <>
Fatai Zhang <>
Martin Vigoureux <>
Alvaro Retana <>
Daniele Ceccarelli <>
Common Control and Measurement Plane Discussion List <>
Raghu Ranganathan <>
Response Contact
Technical Contact
Purpose For action
Deadline 2019-05-31 Action Taken
Attachments (None)
Liaisons referred by this one Update on MEF 63 and Operator L1 Service Attributes
Thank you for informing us on the newly published MEF63 and providing
information about other L1 Services related work in the MEF Forum.

CCAMP would like to inform you that there is a working group document
( defining  A
YANG Data Model for L1 Connectivity Service Model (L1CSM). The data model
presented in Section 3 is consistent with [MEF63]. The data model includes
configuration and state data according to the new Network Management
Datastore Architecture [RFC8342].

CCAMP is planning on issuing a last call for comments on the draft soon.  If
you are interested in following the discussion or commenting please use this
email list: ( or if individuals
are already subscribed  Comments and engagement are

Please keep IETF CCAMP informed on the new work described in your liaison
and any other efforts concerning Service Models.

The list of upcoming IETF meetings can be found on the IETF website at

Thank You,

Daniele Ceccarelli (CCAMP Chair), Fatai Zhang (CCAMP Chair), and Scott
Mansfield (IETF's MEF Liaison)