Please publish draft-ietf-ccamp-gmpls-ason-routing-ospf-07.txt
"BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com> Thu, 15 January 2009 15:49 UTC
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Subject: Please publish draft-ietf-ccamp-gmpls-ason-routing-ospf-07.txt
Date: Thu, 15 Jan 2009 10:41:44 -0500
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Thread-Topic: Please publish draft-ietf-ccamp-gmpls-ason-routing-ospf-07.txt
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From: "BRUNGARD, DEBORAH A, ATTLABS" <dbrungard@att.com>
To: Ross Callon <rcallon@juniper.net>
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Proto-write-up for draft-ietf-ccamp-gmpls-ason-routing-ospf-07.txt Intended status : Experimental > (1.a) Who is the Document Shepherd for this document? Has the > Document Shepherd personally reviewed this version of the > document and, in particular, does he or she believe this > version is ready for forwarding to the IESG for publication? Deborah Brungard is the document shepherd. She has personally reviewed the I-D and believes it is ready for forwarding to the IESG for publication. > (1.b) Has the document had adequate review both from key WG members > and from key non-WG members? Does the Document Shepherd have > any concerns about the depth or breadth of the reviews that > have been performed? The I-D has had a good level of discussions and review in the CCAMP and OSPF working groups. It was developed in response to ITU's ASON requirements and has also been liaised for review to Question 14 of Study Group 15 of the ITU-T and received review comments. We believe that the work has also been considered by the OIF. > (1.c) Does the Document Shepherd have concerns that the document > needs more review from a particular or broader perspective, > e.g., security, operational complexity, someone familiar with > AAA, internationalization or XML? No concerns. > (1.d) Does the Document Shepherd have any specific concerns or > issues with this document that the Responsible Area Director > and/or the IESG should be aware of? For example, perhaps he > or she is uncomfortable with certain parts of the document, or > has concerns whether there really is a need for it. In any > event, if the WG has discussed those issues and has indicated > that it still wishes to advance the document, detail those > concerns here. Has an IPR disclosure related to this document > been filed? If so, please include a reference to the > disclosure and summarize the WG discussion and conclusion on > this issue. WG had early concern on the need and implementation aspects of hierarchical OSPF (this was not the first time for such a proposal), but at the request of ITU continued with solution development. My co-chair, Adrian Farrel, had some concern on the choice of "Routing Area Identifier" as equal to the OSPF area ID (preferred to use a combination of the OSPF protocol instance ID and the OSPF area ID) but it was felt by the author that within the deployment scenarios that are likely there would always be needed coordination about area IDs and so this would be sufficient. Neither the OSPF nor CCAMP working groups had any concerns about this choice. This solution has been on-going for several years due to the time window for liaisons and a moving target of requirements. Due to this lapse of time, and to fulfill the WG's initial commitment and minimize the risk of development of incompatible extensions outside of the IETF process (due to the lack of IETF documentation), the WG feels it is appropriate at this time to document our design decisions with the status of experimental. No IPR disclosures have been filed. > (1.e) How solid is the WG consensus behind this document? Does it > represent the strong concurrence of a few individuals, with > others being silent, or does the WG as a whole understand and > agree with it? As noted in (1.d), there is consensus for this work, but it represents the view of a small number of individuals with most people not expressing a view. As noted above, this draft results from our relationship with the ITU-T on ASON to provide a solution to the routing requirements expressed in RFC 4258 and the protocol gaps identified by RFC 4652, rather than a desire within the IETF to solve this problem. For this reason, and until the implementation and deployment of this work is more advanced, the I-D is put forward as Experimental. > (1.f) Has anyone threatened an appeal or otherwise indicated extreme > discontent? If so, please summarise the areas of conflict in > separate email messages to the Responsible Area Director. (It > should be in a separate email because this questionnaire is > entered into the ID Tracker.) No threats. However, the ITU-T has communicated potential discrepancies between their requirements and those recorded in RFC 4258. These concerns led to a face-to-face meeting between the interested parties held at the 71st IETF in March 2008 in Philadelphia. Some of the discrepancies were identified to be due to a difference of terminology (no resulting discrepancy was identified) and others were resulting from enhancements to the requirements from the earlier versions. It was agreed that a small design team would be formed from ITU-T experts with IETF experience to produce a bis of RFC 4258. This team was chartered in March 2008 and announced to CCAMP (see the message archive https://ops.ietf.org/lists/ccamp/ccamp.2008/msg00176.html). The charter included a set of milestones. At the moment, an early version of the bis was submitted in October 2008 and can be found in the repository at http://www.ietf.org/internet-drafts/draft-many-ccamp-4258bis-00.txt. This document does not meet the standards of a bis. One of the CCAMP chairs had a discussion with one of the editors on the needed changes, no further updates have been done. When the design team was created with the target of a bis by the July meeting, it was agreed that CCAMP would suspend work on this solutions I-D. However, in view of the delay in producing the bis draft, it was subsequently agreed with the ADs and the rapporteur of Question 12 of Study Group 15 that it would be reasonable to resume and complete work on this I-D with the status of experimental. If further changes would be identified as a result of the bis, these can be produced in a subsequent revision of this work. > (1.g) Has the Document Shepherd personally verified that the > document satisfies all ID nits? (See > http://www.ietf.org/ID-Checklist.html and > http://tools.ietf.org/tools/idnits/). Boilerplate checks are > not enough; this check needs to be thorough. Has the document > met all formal review criteria it needs to, such as the MIB > Doctor, media type and URI type reviews? All checks made. > (1.h) Has the document split its references into normative and > informative? Are there normative references to documents that > are not ready for advancement or are otherwise in an unclear > state? If such normative references exist, what is the > strategy for their completion? Are there normative references > that are downward references, as described in [RFC3967]? If > so, list these downward references to support the Area > Director in the Last Call procedure for them [RFC3967]. References split. No downrefs. > (1.i) Has the Document Shepherd verified that the document IANA > consideration section exists and is consistent with the body > of the document? If the document specifies protocol > extensions, are reservations requested in appropriate IANA > registries? Are the IANA registries clearly identified? If > the document creates a new registry, does it define the > proposed initial contents of the registry and an allocation > procedure for future registrations? Does it suggest a > reasonable name for the new registry? See [RFC2434]. If the > document describes an Expert Review process has Shepherd > conferred with the Responsible Area Director so that the IESG > can appoint the needed Expert during the IESG Evaluation? The document defines small protocol enhancements to OSPF. The IANA section clearly identifies the registries from which allocations are requested. No new registry is requested. > (1.j) Has the Document Shepherd verified that sections of the > document that are written in a formal language, such as XML > code, BNF rules, MIB definitions, etc., validate correctly in > an automated checker? No formal language is used. > (1.k) The IESG approval announcement includes a Document > Announcement Write-Up. Please provide such a Document > Announcement Write-Up. Recent examples can be found in the > "Action" announcements for approved documents. The approval > announcement contains the following sections: > > Technical Summary > Relevant content can frequently be found in the abstract > and/or introduction of the document. If not, this may be > an indication that there are deficiencies in the abstract > or introduction. The ITU-T has defined an architecture and requirements for operating an Automatically Switched Optical Network (ASON). The Generalized Multiprotocol Label Switching (GMPLS) protocol suite is designed to provide a control plane for a range of network technologies including optical networks such as time division multiplexing (TDM) networks including SONET/SDH and Optical Transport Networks (OTNs), and lambda switching optical networks. The requirements for GMPLS routing to satisfy the requirements of ASON routing, and an evaluation of existing GMPLS routing protocols are provided in other documents. This document defines to the OSPFv2 Link State Routing Protocol to meet the routing requirements for routing in an ASON. Note that this work is scoped to the requirements and evaluation expressed in RFC 4258 and RFC 4652 and the ITU-T Recommendations current when those documents were written. Future extensions of revisions of this work may be necessary if the ITU-T Recommendations are revised or if new requirements are introduced into a revision of RFC 4258. > Working Group Summary > Was there anything in WG process that is worth noting? For > example, was there controversy about particular points or > were there decisions where the consensus was particularly > rough? As noted above, although concerns were raised about the completeness of RFC 4258 that sets out the requirements, it has been agreed that this I-D should progress while work continues to revise that RFC. If changes or additions should be required as a result of the revision of RFC 4258, this work can be revised in the future. > Document Quality > Are there existing implementations of the protocol? Have a > significant number of vendors indicated their plan to > implement the specification? Are there any reviewers that > merit special mention as having done a thorough review, > e.g., one that resulted in important changes or a > conclusion that the document had no substantive issues? If > there was a MIB Doctor, Media Type or other expert review, > what was its course (briefly)? In the case of a Media Type > review, on what date was the request posted? There are no known implementations or planned implementations of this work.
- Please publish draft-ietf-ccamp-gmpls-ason-routin… BRUNGARD, DEBORAH A, ATTLABS