Early Review of draft-ietf-mpls-lsp-ping-relay-reply-10
review-ietf-mpls-lsp-ping-relay-reply-10-rtgdir-early-malis-2015-09-25-00

Request Review of draft-ietf-mpls-lsp-ping-relay-reply
Requested rev. no specific revision (document currently at 11)
Type Early Review
Team Routing Area Directorate (rtgdir)
Deadline 2015-09-25
Requested 2015-09-14
Authors Luo Jian, Lizhong Jin, Thomas Nadeau, George Swallow
Draft last updated 2015-09-25
Completed reviews Genart Last Call review of -04 by Joel Halpern (diff)
Genart Last Call review of -10 by Joel Halpern (diff)
Secdir Last Call review of -04 by Sean Turner (diff)
Opsdir Last Call review of -04 by Carlos Pignataro (diff)
Opsdir Last Call review of -10 by Carlos Pignataro (diff)
Rtgdir Early review of -10 by Andrew Malis (diff)
Assignment Reviewer Andrew Malis
State Completed
Review review-ietf-mpls-lsp-ping-relay-reply-10-rtgdir-early-malis-2015-09-25
Reviewed rev. 10 (document currently at 11)
Review result Has Nits
Review completed: 2015-09-25

Review
review-ietf-mpls-lsp-ping-relay-reply-10-rtgdir-early-malis-2015-09-25

Hello,

I have been selected as the Routing Directorate reviewer for this draft. The Routing Directorate seeks to review all routing or routing-related drafts as they pass through IETF last call and IESG review, and sometimes on special request. The purpose of the review is to provide assistance to the Routing ADs. For more information about the Routing Directorate, please see ​

http://trac.tools.ietf.org/area/rtg/trac/wiki/RtgDir

Although these comments are primarily for the use of the Routing ADs, it would be helpful if you could consider them along with any other IETF Last Call comments that you receive, and strive to resolve them through discussion or by updating the draft.

Document: draft-ietf-mpls-lsp-ping-relay-reply-10

Reviewer: Andy Malis

Review Date: 24 September 2015

IETF LC End Date: 25 September 2015

Intended Status: Standards Track

Summary:

This document is basically ready for publication, but has one minor issue and some nits that should be considered prior to publication.

Comments:

This review is based on the file 

https://www.ietf.org/id/draft-ietf-mpls-lsp-ping-relay-reply-10.txt

 .

This is probably one of the most reviewed drafts I have ever seen, going back to when it was an individual draft and then through its various stages in (and back to) the working group. Thanks to its many reviews and reviewers, the draft is technically correct and generally easy to follow. Thus, there is very little to add at this stage.

Major Issues:

No major issues found.

Minor Issues:

On Sept. 17, Joel Halpern wrote the Gen-art Review for this draft.

I agree with his comment regarding the address stack, and his proposed sentence to be added to section 3.2.

Nits:

The abbreviation AN for Access Node is defined slightly after its first use, which is earlier in the same line in the document (line 197 in the .txt file).

On lines 303 and 363, the word "octets" is misspelled.

Cheers,

Andy

On Fri, Sep 11, 2015 at 1:06 PM, The IESG 

<

iesg-secretary at ietf.org

>

 wrote:


The IESG has received a request from the Multiprotocol Label Switching WG


(mpls) to consider the following document:


- 'Relayed Echo Reply mechanism for LSP Ping'


  <draft-ietf-mpls-lsp-ping-relay-reply-10.txt> as Proposed Standard





The IESG plans to make a decision in the next few weeks, and solicits


final comments on this action. Please send substantive comments to the




ietf at ietf.org

 mailing lists by 2015-09-25. Exceptionally, comments may be


sent to 

iesg at ietf.org

 instead. In either case, please retain the


beginning of the Subject line to allow automated sorting.





Abstract








   In some inter autonomous system (AS) and inter-area deployment


   scenarios for RFC 4379 "Label Switched Path (LSP) Ping and


   Traceroute", a replying Label Switching Router (LSR) may not have the


   available route to an initiator, and the Echo Reply message sent to


   the initiator would be discarded resulting in false negatives or


   complete failure of operation of LSP Ping and Traceroute.  This


   document describes extensions to LSP Ping mechanism to enable the


   replying LSR to have the capability to relay the Echo Response by a


   set of routable intermediate nodes to the initiator.  This document


   updates RFC 4379.














The file can be obtained via




https://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-relay-reply/





IESG discussion can be tracked via




https://datatracker.ietf.org/doc/draft-ietf-mpls-lsp-ping-relay-reply/ballot/








The following IPR Declarations may be related to this I-D:





   

https://datatracker.ietf.org/ipr/1945/


   

https://datatracker.ietf.org/ipr/828/











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