(1) What type of RFC is being requested (BCP, Proposed Standard, Internet
Standard, Informational, Experimental, or Historic)? Why is this the proper
type of RFC? Is this type of RFC indicated in the title page header?
Experimental. The draft proposes a method of calculating a metric to be used
in a standard protocol, RFC 7181 (in a standard way.) This experimental draft
will allow OLSRv2 deployments with a metric defined by the IETF MANET group.
It enables easier interoperability tests between implementations and will also
deliver a useful baseline to compare other metrics to.
(2) 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:
This document specifies an directional airtime link metric for usage in OLSRv2.
A major shortcoming of OLSR was the use of hop count as a routing metric for
MANET networks, which can have highly variable and heterogeneous link
properties. OLSRv2 integrates the concept of link metrics directly into the
core specification but the calculation and/or acquisition of this dimensionless
additive link cost is not specified.
This document describes a method for specifying this routing metric for OLSRv2,
the Directional Airtime routing metric. This metric is a successor of the
ETX-derived OLSR.org routing metric used since 2004. It takes both loss rate
and the link speed into account to provide a more accurate picture of the links
within the network.
Working Group Summary:
There were no working group issues with any specific points. There was desire
for slight differences in the definition of the metric but as this is an
experimental draft it does not preclude other different metrics from being
defined and used.
There are at least 3 different independent implementations. Most OLSRv2
implementation authors have either implemented this draft or at least voiced
the desire to do so. The specification is clear but at parts the prose are a
Document Shepherd? Justin Dean
Responsible Area Director? Alvaro Retana
(3) Briefly describe the review of this document that was performed by the
Document Shepherd. If this version of the document is not ready for
publication, please explain why the document is being forwarded to the IESG.
The shepherd has read and implemented the draft and it is ready for publication.
(4) Does the document Shepherd have any concerns about the depth or breadth of
the reviews that have been performed? No concerns. (5) Do portions of the
document need review from a particular or from broader perspective, e.g.,
security, operational complexity, AAA, DNS, DHCP, XML, or internationalization?
If so, describe the review that took place.
An English Language review would be helpful.
(6) Describe any specific concerns or issues that the Document Shepherd has
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.
(7) Has each author confirmed that any and all appropriate IPR disclosures
required for full conformance with the provisions of BCP 78 and BCP 79 have
already been filed. If not, explain why?
No IPR issues.
(8) Has an IPR disclosure been filed that references this document? If so,
summarize any WG discussion and conclusion regarding the IPR disclosures. No
(9) 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?
There is broad moderate support for the document with a few individuals
strongly in support of it. There was no opposition.
(10) 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 publicly available.)
(11) Identify any ID nits the Document Shepherd has found in this document. (See
http://www.ietf.org/tools/idnits/ and the Internet-Drafts Checklist).
Boilerplate checks are not enough; this check needs to be thorough. idnits
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(428): Line has weird
spacing: '...eceived is a ...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(432): Line has weird
spacing: '...T_total is a ...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(437): Line has weird
spacing: '...et_time is th...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(440): Line has weird
spacing: '...nterval is th...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(453): Line has weird
spacing: '...tervals is th...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(457): Line has weird
spacing: '...bitrate is th...'
/tmp/draft-ietf-manet-olsrv2-dat-metric-06.txt(460): Line has weird
spacing: '...t_seqno is th...'
No boilerplate issues or nits found
(12) Describe how the document meets any required formal review criteria, such
as the MIB Doctor, media type, and URI type reviews.
(13) Have all references within this document been identified as either
normative or informative?
(14) 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 plan for their completion?
(15) Are there downward normative references references (see RFC 3967)? If so,
list these downward references to support the Area Director in the Last Call
(16) Will publication of this document change the status of any existing RFCs?
Are those RFCs listed on the title page header, listed in the abstract, and
discussed in the introduction? If the RFCs are not listed in the Abstract and
Introduction, explain why, and point to the part of the document where the
relationship of this document to the other RFCs is discussed. If this
information is not in the document, explain why the WG considers it unnecessary.
This will not change the status of any other RFCs.
(17) Describe the Document Shepherd's review of the IANA considerations
section, especially with regard to its consistency with the body of the
document. Confirm that all protocol extensions that the document makes are
associated with the appropriate reservations in IANA registries. Confirm that
any referenced IANA registries have been clearly identified. Confirm that newly
created IANA registries include a detailed specification of the initial
contents for the registry, that allocations procedures for future registrations
are defined, and a reasonable name for the new registry has been suggested (see
As this document uses code-points defined in OLSRv2 (RFC 7181) and does not
require any OTA signaling it does not require additional allocation by IANA.
(18) List any new IANA registries that require Expert Review for future
allocations. Provide any public guidance that the IESG would find useful in
selecting the IANA Experts for these new registries.
(19) Describe reviews and automated checks performed by the Document Shepherd
to validate sections of the document written in a formal language, such as XML
code, BNF rules, MIB definitions, etc.