[Gen-art] Genart last call review of draft-ietf-ospf-te-link-attr-reuse-12

[Linda Dunbar via Datatracker <[e-mail]>]

Reviewer: Linda Dunbar
Review result: Not Ready

I am the assigned Gen-ART reviewer for this draft. The General Area
Review Team (Gen-ART) reviews all IETF documents being processed
by the IESG for the IETF Chair.  Please treat these comments just
like any other last call comments.

For more information, please see the FAQ at

<https://trac.ietf.org/trac/gen/wiki/GenArtfaq>.

Document: draft-ietf-ospf-te-link-attr-reuse-??
Reviewer: Linda Dunbar
Review Date: 2020-05-28
IETF LC End Date: 2020-05-29
IESG Telechat date: Not scheduled for a telechat

Summary: this document introduces a new link attribute advertisement in OSPFv2
and OSPFv3 to address general link properties needed for new applications, such
as Segment Routing.

Major issues:
The document has good description on the TLV structure of the Application
specific Advertisements, but fails to describe what are the NEW Link attributes
needed by Segment Routing. Page 7 (section 5) has a really good description on
all the link properties added to OSFP (RFC4203, RFC 7308, RFC7471, RFC3630) to
achieve TE. I can see Segment Routing would need each node to advertise its own
SID and the SIDs of adjacent nodes. Can't they be encoded (or extended) in
OSPF's NODE ID?

Minor issues:

Nits/editorial comments:

Best regards,

Linda Dunbar