[Isis-wg] Alissa Cooper's No Objection on draft-ietf-isis-te-metric-extensions-11: (with COMMENT)
"Alissa Cooper" <alissa@cooperw.in> Thu, 25 February 2016 18:45 UTC
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From: Alissa Cooper <alissa@cooperw.in>
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Subject: [Isis-wg] Alissa Cooper's No Objection on draft-ietf-isis-te-metric-extensions-11: (with COMMENT)
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Alissa Cooper has entered the following ballot position for draft-ietf-isis-te-metric-extensions-11: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-isis-te-metric-extensions/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Thanks for resolving my DISCUSS points. Old COMMENT points: (1) In Section 5: OLD Min and max delay MAY be the lowest and/or highest measured value over a measurement interval NEW Min and max delay MAY be the lowest and highest measured value over a measurement interval, respectively, (2) Section 11 says: "It is anticipated that in most deployments, IS-IS protocol is used within an infrastructure entirely under control of the dame operator." But Section 1 says: "The data distributed by the IS-IS TE Metric Extensions proposed in this document is meant to be used as part of the operation of the routing protocol (e.g. by replacing cost with latency or considering bandwidth as well as cost), by enhancing Constrained-SPF (CSPF), or for other uses such as supplementing the data used by an ALTO server [RFC7285]." In the ALTO case at least it would seem like the point of using this data would be to inform applications (outside the control of the operator) about the cost of routing traffic a certain way. I think this section could be more clear about the expectation that the performance data it exposes may be factored into such costs that get published outside the operator network.
- [Isis-wg] Alissa Cooper's No Objection on draft-i… Alissa Cooper