Re: [mpls] working group last call on draft-ietf-mpls-tp-mip-mep-map

t.petch <ietfc@btconnect.com> Mon, 19 November 2012 12:40 UTC

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From: "t.petch" <ietfc@btconnect.com>
To: Loa Andersson <loa@pi.nu>, mpls@ietf.org
References: <5098CF68.2000105@pi.nu><XNM1$7$0$0$$6$1$2$A$5003661U50a19cc6@hitachi.com> <50A3B5C0.4060203@pi.nu>
Date: Mon, 19 Nov 2012 12:38:22 +0000
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Cc: mpls-ads@tools.ietf.org, mpls-chairs@tools.ietf.org, MPLS-TP ad hoc team <ahmpls-tp@lists.itu.int>, draft-ietf-mpls-tp-mip-mep-map@tools.ietf.org
Subject: Re: [mpls] working group last call on draft-ietf-mpls-tp-mip-mep-map
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After getting to section 6 and its features (requirements!), I find
myself underwhelmed; is that it?  Well, I suppose so, it is
Informational and not Standards Track.

Meanwhile, I suggest some editorial issues.

Title
Handling MPLS-TP OAM Packets Targeted at Internal MIPs
[Handling MPLS-TP OAM Packets Targeted at Interface MIPs
seems a more informative statement unless and until you get to the
definition of Internal in s3; and s6, which is the crux of the document
says
The preferred solution to per-interface MIP message handling is
   presented in this section]

s1
two (or more) MIPs per node on both sides of the forwarding engine.
[two on both sides sounds like four in total to me; suggest 'one on each
side of the forwarding engine']

s4
   o  CV between a MEP and a MIP
[expand CV on first use]

s5
In-band OAM messages are sent using the G-ACh [RFC5586] for MPLS-TP
   LSPs and MPLS-TP PWs, respectively.
['respectively' suggests to me that there should be two precedents, not
just RFC5586; the second paragraph specifies RFC5586 for LSPs,
RFC6423/RFC4385 for PWs, in which case, strike this sentence as
redundant]

s6
The appendix of this document contains a
   few solutions that the authors have discarded which have been left in
   the document for informational purposes.
[not any more they haven't!]

The node itself is addresses
[The node itself is addressed]

The identification information indside
[The identification information inside ]

MIP identifiers are not know
[MIP identifiers are not known]

reserved MIP address
[reserved MIP addressses or a reserved MIP address]

Tom Petch


----- Original Message -----
From: "Loa Andersson" <loa@pi.nu>
To: <mpls@ietf.org>
Cc: <mpls-ads@tools.ietf.org>; <mpls-chairs@tools.ietf.org>; "MPLS-TP ad
hoc team" <ahmpls-tp@lists.itu.int>;
<draft-ietf-mpls-tp-mip-mep-map@tools.ietf.org>
Sent: Wednesday, November 14, 2012 3:16 PM

> Working Group,
>
> This is to start a 2 week working group last call on
> draft-ietf-mpls-tp-mip-mep-map.
>
> Please send your comments to the mpls working group mailing
> list (mpls@ietf.org).
>
> Please send both technical comments, and if you are happy with the
> document as is also indications of support.
>
> This working group last call will end on November 28.
>
> /Loa
> for the wg co-chairs
>