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Last Call Review of draft-ietf-trill-cmt-08
review-ietf-trill-cmt-08-opsdir-lc-tsou-2015-10-12-00

Request Review of draft-ietf-trill-cmt
Requested revision No specific revision (document currently at 11)
Type IETF Last Call Review
Team Ops Directorate (opsdir)
Deadline 2015-10-13
Requested 2015-09-28
Authors Tissa Senevirathne , Janardhanan Pathangi , Jon Hudson
I-D last updated 2016-02-25 (Latest revision 2015-10-18)
Completed reviews Genart IETF Last Call review of -08 by Roni Even (diff)
Secdir IETF Last Call review of -08 by Charlie Kaufman (diff)
Opsdir IETF Last Call review of -08 by Tina Tsou (Ting ZOU) (diff)
Rtgdir Early review of -06 by Stig Venaas (diff)
Assignment Reviewer Tina Tsou (Ting ZOU)
State Completed
Request IETF Last Call review on draft-ietf-trill-cmt by Ops Directorate Assigned
Reviewed revision 08 (document currently at 11)
Result Ready
Completed 2015-10-12
review-ietf-trill-cmt-08-opsdir-lc-tsou-2015-10-12-00

Dear all,



I have reviewed this document as part of the operations directorate's ongoing
effort to review all IETF documents being processed by the

IESG. These comments were written primarily for the benefit of the operations
area directors. Document editors and WG chairs should treat

these comments just like any other last call comments.



Control plane extension is used for tree selection notification. I see the
advantage of it to use the exiting hardware with software upgrading only. Such
feature is of great value for deployment.



Section 5.7

After sentence about tunnelling, another sentence could be added as following.

“It should be noted that tunneling would require silicon change though CMT
itself is software upgrading only.”



It can be also added in the introduction or abstract, CMT method doesn’t need
hardware upgrade, this is the biggest advantage of CMT.





Thank you,

Tina