Christer, Daniel,

Thank you for the review and the responses. I have balloted “No-Objection” and 
expect that the edits will find themselves to a new draft version some day :-)

Jari

On 06 Jun 2014, at 23:04, Daniel King <[email protected]> wrote:

> Dear Christer,
>  
> Thank you for your Gen-ART review, please see my responses inline (“DK>>”):
>  
> Br, Dan.
>  
> From: Christer Holmberg [mailto:[email protected]] 
> Sent: 06 June 2014 09:01
> To: [email protected]
> Cc: draft-ietf-pce-pcep-inter-domain-p2mp-procedures....@tools.ietf.org
> Subject: Gen-ART review of draft-ietf-pce-pcep-inter-domain-p2mp-procedures-07
>  
> 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>
>  
> Document:                         
> draft-ietf-pce-pcep-inter-domain-p2mp-procedures-07
>  
> Reviewer:                           Christer Holmberg
>  
> Review Date:                     6 June 2014
>  
> IETF LC End Date:             26 May 2014
>  
> IETF Telechat Date:        12 June 2014
>  
> Summary:                         The document is well written, with some 
> editorial nits that the authors may want to address before publication.
>  
> Major Issues: None
>  
> Minor Issues: None
>  
> Editorial nits:
>  
> Q1-G:                                    In the Introduction section, you 
> expand PCE (“Path Computation Element (PCE)”). After that, I suggest you 
> don’t expand it anymore. I think you do it in a couple of places, in section 
> 1.2 and 3.
>  
> DK>> Agree. Well spotted, indeed:
>  
> 1.2 Scope
> 3.  Examination of Existing Mechanisms
>  
> DK>> These can be truncated to “PCE”.
>  
> Q2-G:                                    Same as Q_G_1, but for PCEP, which I 
> believe you in addition to the Introduction also expand in section 3.
>  
> DK>> Agree.
>  
> 3.  Examination of Existing Mechanisms
>  
> DK>> Again, this can be truncated to “PCEP”.
>  
> Q3_1:                                    In section 1, the draft says:
>  
> “The ability to compute constrained Traffic Engineering Label Switched Paths 
> (TE
>                 LSPs) for point-to-multipoint (P2MP) LSPs in Multiprotocol 
> Label
>                 Switching (MPLS) and Generalized MPLS (GMPLS) networks across
>                 multiple domains are therefore required.”
>  
>                                                 Are all these so called 
> well-known terms (I guess at least MPLS is), or would it be useful to add 
> some references when/if appropriate?
>  
> DK>> These are well-known terms, but we do also state we reuse terminology 
> which is better defined in specific RFCs in our terminology section. In 
> summary, I think its ok to leave “as is”.
>  
> Q4_1_2:                               In section 1.2, the draft says:
>  
>                 “The experiment is intended to enable research for the Path 
> Computation Element (PCE)”
>  
>                                                 Do you mean to say “to enable 
> research of the usage of the PCE”?
>  
> DK>> Agree. The word “usage” would be more apt.
>  
> Q5_1_2:                               In section 1.2, the draft says:
>  
>                 “This document is not intended to replace the intra-domain 
> P2MP path
>                 computation approach supported by [RFC6006],”
>  
>                                                 It is a little unclear to me 
> what you mean be “supported by”. Does RFC 6006 defined the approach, or does 
> RFC 6006 use an approach defined somewhere else, or?
>  
> DK>> Aha, I see the ambiguity. RFC6006 defines how PCEP is used to compute 
> P2MP paths in single domain (intra-domain) networks. So perhaps a better word 
> would be “defined” rather than “supported”.
>  
> Q6-7_4_2:                           In section 7.4.2, s/The procedure as 
> described in this document/The procedure described in this document           
> (remove “as”)
>  
> DK>> Agree.
>  
> Q7_7:                                    In section 7, s/ has following 
> impact -/ has following impacts:
>  
> DK>> Agree. In fact, I might suggest “has the following impact:”
>  
> Q8_7:                                    In section 7, instead of saying 
> “requirements specified in the previous section”, please point to the actual 
> section, e.g. “requirements specified in section X of this document”.
>  
> DK>> Agree.  “requirements specified in section 6. of this document.”
>  
> Q9_7:                                    In section 7, the text says:
>  
>                 “The following sections describe the core-tree based 
> procedures to
>                 satisfy the requirements specified in the previous section.”
>  
>                                                 Would it be good to also 
> mention the PCEP extensions? E.g.:
>  
>                 “The following sections describe the core-tree based 
> procedures, including
> PCEP extensions, to satisfy the requirements specified in the previous 
> section.”
>  
>  
> DK>> Agree.
>  
> Q10_7:                                  As section 7 (including the sub 
> sections) is quite large, I would suggest to have a section called “7.1 
> General”:
>  
>                 “7.  P2MP Path Computation Procedures
>  
>                 7.1. General
>  
> A P2MP Path computation can be broken down into two steps of core-
>                 tree computation and grafting of sub-trees. Breaking the 
> procedure
>                 …”
>  
> DK>> Ok, if you think it helps the reader.
>  
>  
> Q11_7_2:                             In section 7.2, s/ messages format as 
> per [RFC5440]/ messages format defined in [RFC5440]
>  
> DK>> Agree.
>  
> Q12_7_4_2:                        In section 7.4.2, s/ The procedure as 
> described in this document/ The procedure described in this document          
>  (remove “as”)
>  
> DK>> Agree.
>  
> Regards,
>  
> Christer
>  
> DK>> Again, thank you for your review and comments.
>  
> Br, Dan.
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