[Idr] Roman Danyliw's No Objection on draft-ietf-idr-bgp-flowspec-oid-14: (with COMMENT)
Roman Danyliw via Datatracker <noreply@ietf.org> Mon, 17 May 2021 20:09 UTC
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From: Roman Danyliw via Datatracker <noreply@ietf.org>
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Date: Mon, 17 May 2021 13:09:29 -0700
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Subject: [Idr] Roman Danyliw's No Objection on draft-ietf-idr-bgp-flowspec-oid-14: (with COMMENT)
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Roman Danyliw has entered the following ballot position for draft-ietf-idr-bgp-flowspec-oid-14: 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 DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-idr-bgp-flowspec-oid/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Thank you Magnus Nystrom for the SECDIR review and for the subsequent updates by the authors. ** Section 2. Editorial. s/same autonomous system than/same autonomous system as/ ** Section 2. While the proposed modification cannot be used for inter-domain coordination of traffic filtering, it greatly simplifies distribution of intra-domain traffic filtering policies within an autonomous system which has a large number of border routers having complex BGP policies. Should the above key detail be explicitly framed in an applicability statement? ** Section 4.1. Editorial + normative guidance which frames the text on the intent of the designed network, not the operator “knowing something”. OLD Disabling the new condition above (b.2.2) could be a good practice if the operator knew with certainty that a Flow Specification would not be originated inside the local domain. An additional case would be if it was known for a fact that only the right egress border routers (i.e. those that were also egress border routers for the best routes) were originating a Flow Specification NLRI. NEW Disabling the new condition above (b.2.2) is RECOMMENDED in networks where policy prohibits Flow Specification from originating inside the local domain or where configuration dictates that only the egress border routers (i.e. those that were also egress border routers for the best routes) will originating a Flow Specification NLRI.
- [Idr] Roman Danyliw's No Objection on draft-ietf-… Roman Danyliw via Datatracker
- Re: [Idr] Roman Danyliw's No Objection on draft-i… Juan Alcaide (jalcaide)