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[mpls] MPLS-RT review of draft-smack-mpls-rfc4379bis

Yimin Shen <yshen@juniper.net> Fri, 04 December 2015 21:18 UTC

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From: Yimin Shen <yshen@juniper.net>
To: "draft-smack-mpls-rfc4379bis@ietf.org" <draft-smack-mpls-rfc4379bis@ietf.org>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>, Tarek Saad <tsaad@cisco.com>
Thread-Topic: MPLS-RT review of draft-smack-mpls-rfc4379bis
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Date: Fri, 04 Dec 2015 21:17:54 +0000
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Subject: [mpls] MPLS-RT review of draft-smack-mpls-rfc4379bis
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Hi authors,

I was selected as a reviewer for the draft-smack-mpls-rfc4379bis, and I have completed my review.

I think this draft is useful, providing an overdue update for RFC 4379, which is the base RFC of a widely deployed protocol in MPLS networks.

One issue I have is that the draft is still specifying the packet format and mechanisms based on the Downstream Mapping TLV, which has been deprecated by the Downstream Detailed Mapping TLV defined by RFC 6424. I notice the section 1.5 where it briefly mentions the evaluation of incorporating some new RFCs to this draft. But it is unclear to me what the decision will be, whether the draft would stop here to provide just backward compatibility or it will take further steps to incorporate RFC 6424. So, before the draft is adopted, I'd like to see draft progress a little further on the to-do list and give and clearer strategy on this.


Thanks,

/Yimin Shen

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