Re: Gen-ART LC Review of draft-ietf-mpls-tp-uni-nni-02

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Ben,

Thank you for your comments. Please see below.

Best regards

Matthew

On 21/12/2010 22:13, "Ben Campbell" <ben@xxxxxxxxxxx> wrote:

>I am the assigned Gen-ART reviewer for this draft. For background on
>Gen-ART, please see the FAQ at
><http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>.
>
>Please resolve these comments along with any other Last Call comments you
>may receive.
>
>Document: draft-ietf-mpls-tp-uni-nni-02
>Reviewer: Ben Campbell
>Review Date: 2010-12-21
>IETF LC End Date: 2010-12-23
>IESG Telechat date: (if known)
>
>
>Summary: This draft is ready for publication as in informational RFC. I
>have a small number of editorial comments that I think could further
>improve the draft if there is another round of editing.
>
>Major issues: None
>
>Minor issues: None
>
>Nits/editorial comments:
>
>-- Section 1, 1st paragraph:
>
>I suggest moving the expansion of MPLS-TP TP the first mention in the
>body of the draft.


OK. I have moved this to the first use of the acronym in that section.

>
>-- Section 1.1, 1st paragraph:
>
>More conventional in what context? Useful for what purpose?

It is the convention to represent a UNI or NNI as a specific reference
point between functional groups e.g. MEF E-NNI (Figure 2 of MEF26) or ATM
UNI (ITU-T I.413), rather than to represent these as a span as in the
original diagrams in RFC5921. I propose to rephrase this sentence to:
"However, it is convention to illustrate these interfaces as reference
points."

With regard to your second question, I propose to rephrase the sentence as
follows:
"Furthermore, in the case of a UNI, it is useful to illustrate the
distribution of UNI functions between the Customer Edge (CE) side and the
Provider Edge (PE) side of the UNI (the UNI-C and UNI-N) in order to show
their relationship to one another."


>
>-- Section 1.2, definition of UNI-N
>
>I suggest expanding PE in the definition.

OK 

>
>-- Figures 1 and 2:
>
>Is the meaning of the various line types described elsewhere? If so, a
>statement to that effect with a reference would be helpful.

We have used the same convention as RFC5921. However, there is no key
there. I am not sure that a complete key would clarify the diagram as the
same line type is used to represent multiple entities due to the limited
umber of characters that are useful for ASCII drawing.

>
>-- Figure 2:
>
>I suggest expanding CP somewhere.

CP is expanded in the terminology section.


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