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Last Call Review of draft-ietf-nvo3-arch-06

Request Review of draft-ietf-nvo3-arch
Requested revision No specific revision (document currently at 08)
Type Last Call Review
Team Ops Directorate (opsdir)
Deadline 2016-08-12
Requested 2016-08-01
Authors David L. Black , Jon Hudson , Larry Kreeger , Marc Lasserre , Dr. Thomas Narten
I-D last updated 2016-08-16
Completed reviews Secdir Last Call review of -06 by Takeshi Takahashi (diff)
Opsdir Last Call review of -06 by Linda Dunbar (diff)
Assignment Reviewer Linda Dunbar
State Completed
Review review-ietf-nvo3-arch-06-opsdir-lc-dunbar-2016-08-16
Reviewed revision 06 (document currently at 08)
Result Has Nits
Completed 2016-08-16

I have reviewed this document as part of the Operational directorate's ongoing
effort to review all IETF documents being processed by the IESG.  These
comments were
 written primarily for the benefit of the operational area directors.

Document editors and WG chairs should treat these comments just like any other
last call comments.

I think this document is written very clear and has covered many areas (some of
which is actually out of the NVO3 scope, e.g. Section 9 Federated NVAs).

Some comments:


Figure 1 should include Inter-VN gateway in the reference model. Majority of
TSs communicate with TSs in different VNs, or to internet. The Diagram shown in
 the Figure 1 is more like the L2VPN.


Section 3.1.1: Should emphasize that C-Tag might have to be changed (i.e.
locally significant) if there is a bridged network attached to the NVE. As TSs
 added, deleted, or moved, if C-Tag is not changed when a TS moves from one NVE
 to another NVE, it effectively requires unique C-Tags for all VNs across the
 VN domain (which beats the purpose of having overlay’s VN id).

Thanks, Linda