Re: [Idr] draft-ietf-idr-bgp-optimal-route-reflection-15 comments and suggestions
Robert Raszuk <robert@raszuk.net> Mon, 19 March 2018 18:30 UTC
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From: Robert Raszuk <robert@raszuk.net>
Date: Mon, 19 Mar 2018 19:30:44 +0100
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To: "John G. Scudder" <jgs@juniper.net>
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Subject: Re: [Idr] draft-ietf-idr-bgp-optimal-route-reflection-15 comments and suggestions
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Thx John for reposting ... Erik, Kevin & myself had few discussions on this last Nov, but we clearly did not finish updating all comments to new version -16. Let's resume this effort offline. Many thx, R. On Mon, Mar 19, 2018 at 1:57 PM, John G. Scudder <jgs@juniper.net> wrote: > Bump. > > --John > > > On Oct 28, 2017, at 12:10 PM, John Scudder <jgs@juniper.net> wrote: > > > > Hi Authors, > > > > As part of working on the shepherd's report I came up with a few fairly > minor comments and suggestions. If you choose not to adopt #1 (not > necessarily the exact text) I'd be interested in further discussion. > > > > Some of my comments suggest replacing the term "optimal" with something > more specific. I suggest this even though I do note your paragraph that > begins "In this approach, optimal refers to..." (which might go well in the > Introduction or even definitions, by the way?). > > > > 1. The document uses the term "best path" in many places. The term is > used in the sense BGP practitioners tend to use it, and not the common > English sense. This might be a problem for reviewers who aren't BGP subject > experts. I suggest adding a definition to section 1 or elsewhere, along the > lines of, > > > > best path - the route chosen by the decision process detailed in [RFC > 4271] section 9.1.2 and its subsections. > > best path computation, best path algorithm, best path selection - the > decision process detailed in [RFC 4271] section 9.1.2 and its subsections. > > > > 2. "best exit point" --> "closest exit point" > > > > 3. "add/diverse path deployments" should have references to RFC 7911 and > RFC 6774. > > > > 4. The reference to draft-ietf-idr-add-paths needs to be updated to > point to RFC 7911. > > > > 5. "While the route > > reflector chooses one set of n paths" --> "When the..." > > > > 6. "enough so to make it typically undesirable" -> "enough so to > typically make it undesirable" > > > > 7. "optimal distance to the next hops" --> "shortest distance to the > next hops" ? > > > > 8. "This also provides for freedom" --> "This provides for freedom" > > > > 9. "allows transient or permanent migration of > > this network control plane function to an optimal location" --> > > "allows transient or permanent migration of > > this network control plane function to an arbitrary location" > > > > 10. "The choice of specific granularity is left to the implementation > > decision" --> > > ... left as an implementation decision > > or > > ... left to the implementor to decide > > > > 11. "implementation may automate it > > based on specified heuristics" --> > > "implementation may automate it > > based on heuristics" > > or if "specified" means something, it needs to be elaborated > > > > 12. "In situations where BGP next hop" --> "In situations where the BGP > next hop" > > > > 13. In section 4.3, aren't paras 1 and 3 redundant, especially starting > from "will be applied first" in both paragraphs? > > > > 14. "one or more backup virtual > > location SHOULD" --> > > "one or more backup virtual > > locations SHOULD" > > > > 15. "overhead is comparable to existing BGP export policies therefore" > --> "overhead is comparable to existing BGP export policies and therefore" > > > > 16. "In the > > networks where there are" --> > > "In > > networks where there are" > > > > Thanks, > > > > --John > > _______________________________________________ > > Idr mailing list > > Idr@ietf.org > > https://urldefense.proofpoint.com/v2/url?u=https-3A__www. > ietf.org_mailman_listinfo_idr&d=DwICAg&c=HAkYuh63rsuhr6Scbfh0UjBXeMK- > ndb3voDTXcWzoCI&r=hLt5iDJpw7ukqICc0hoT7A&m=EESFOQ2FZ1ow8qBl5Ee1jJ5RTHwGl0 > 4ZjBbru1xT15I&s=zqQBURSlJ210Lxi8TC-O7mASpDluBPsMb0XI4F7PDjY&e= > >
- [Idr] draft-ietf-idr-bgp-optimal-route-reflection… John Scudder
- Re: [Idr] draft-ietf-idr-bgp-optimal-route-reflec… John G. Scudder
- Re: [Idr] draft-ietf-idr-bgp-optimal-route-reflec… Robert Raszuk