Re: [mpls] [Teas] FW: New Version Notification for draft-ietf-mpls-residence-time-05.txt

Lou Berger <lberger@labn.net> Tue, 15 March 2016 22:47 UTC

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To: Gregory Mirsky <gregory.mirsky@ericsson.com>, Loa Andersson <loa@pi.nu>, "mpls-chairs@ietf.org" <mpls-chairs@ietf.org>
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From: Lou Berger <lberger@labn.net>
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Date: Tue, 15 Mar 2016 18:40:43 -0400
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Subject: Re: [mpls] [Teas] FW: New Version Notification for draft-ietf-mpls-residence-time-05.txt
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Greg,

On 3/15/2016 5:13 PM, Gregory Mirsky wrote:
> Hi,
> this version primarily addresses comments related to the proposed extensions to RSVP-TE and operation of the control plane in support of Residence Time Measurement. Would appreciate the confirmation from Lou.

I don't think I saw a response to:
> I think this doesn't always work, e.g., when RRO is modified due to
> policy or limited due to size constraints.  This has to be addressed.  I
> can see how to easily detect this situation, but not how to get the
> number of non-supporting hops.  I guess it's always possible to play ttl
> comparison games, but that's pretty ugly too.  Any thoughts?


Parts of Sections 4.6 and 4.7 are a bit rough and could stand a reread
and editorial pass.

Section 4.7 says PathErr messages are sent in response to Resv
processing error.  This is clearly wrong.

Lou

> Authors always welcome comments and questions about RTM.
>
> 	Regards,
> 		Greg
>
> -----Original Message-----
> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org] 
> Sent: Tuesday, March 15, 2016 2:08 PM
> To: Alexander Vainshtein; Gregory Mirsky; Stefano Ruffini; John Drake; Sasha Vainshtein; Eric Gray; Stewart Bryant; Eric Gray
> Subject: New Version Notification for draft-ietf-mpls-residence-time-05.txt
>
>
> A new version of I-D, draft-ietf-mpls-residence-time-05.txt
> has been successfully submitted by Greg Mirsky and posted to the IETF repository.
>
> Name:		draft-ietf-mpls-residence-time
> Revision:	05
> Title:		Residence Time Measurement in MPLS network
> Document date:	2016-03-15
> Group:		mpls
> Pages:		26
> URL:            https://www.ietf.org/internet-drafts/draft-ietf-mpls-residence-time-05.txt
> Status:         https://datatracker.ietf.org/doc/draft-ietf-mpls-residence-time/
> Htmlized:       https://tools.ietf.org/html/draft-ietf-mpls-residence-time-05
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-residence-time-05
>
> Abstract:
>    This document specifies G-ACh based Residence Time Measurement and
>    how it can be used by time synchronization protocols being
>    transported over MPLS domain.
>
>    Residence time is the variable part of propagation delay of timing
>    and synchronization messages and knowing what this delay is for each
>    message allows for a more accurate determination of the delay to be
>    taken into account in applying the value included in a PTP event
>    message.
>
>                                                                                   
>
>
> Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org.
>
> The IETF Secretariat
>
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