Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp-open-policy-15.txt
Mach Chen <mach.chen@huawei.com> Fri, 11 June 2021 09:16 UTC
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From: Mach Chen <mach.chen@huawei.com>
To: "Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram=40nist.gov@dmarc.ietf.org>, Alexander Azimov <a.e.azimov@gmail.com>
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Thread-Topic: [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp-open-policy-15.txt
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Date: Fri, 11 Jun 2021 09:15:50 +0000
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Subject: Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp-open-policy-15.txt
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Hi, Sriram Thanks for the update, it addressed my comments! Best regards, Mach > -----Original Message----- > From: Idr [mailto:idr-bounces@ietf.org] On Behalf Of Sriram, Kotikalapudi (Fed) > Sent: Thursday, June 10, 2021 12:09 AM > To: Mach Chen <mach.chen@huawei.com>; Alexander Azimov > <a.e.azimov@gmail.com> > Cc: draft-ietf-idr-bgp-open-policy.all@ietf.org; idr-chairs@ietf.org; > rtg-dir@ietf.org; idr@ietf.org > Subject: Re: [Idr] [RTG-DIR] RtgDir Early review: > draft-ietf-idr-bgp-open-policy-15.txt > > Hi Mach, > > Thanks for your patience. Alexander and I were able to complete the discussion > between us. > > Please let us know if the following two proposed changes would adequately > address your comment: > > We added the following new paragraph in Section 5.1 (just before the OTC > attribute processing section (Sec. 6)): > > In the case of a neighbor who doesn't participate, the BGP Role is > configured unilaterally based on local knowledge of the peering > relationship. (Note: This applies only to the default non-strict > mode; remember that in strict mode, the BGP connection is rejected > for any non-participating neighbor.) The only thing lacking would be > a mutual confirmation with the neighbor about BGP Role (this is > permissible for backward compatibility in partial deployment). The > OTC attribute processing (Section 6) remains unaffected. > > In the above, if you feel normative language should be used, then we can s/BGP > Role is configured unilaterally/BGP Role SHOULD be configured unilaterally/. > Please let us know. > > We made the following old text / new text substitution in Section 8: > > Old text: > No Roles SHOULD be configured on a 'complex' BGP session (assuming it > is not segregated) and in that case, OTC MUST be set by configuration > on a per-prefix basis. However, there are no built-in measures to > check correctness of OTC use if BGP Role is not configured. > > New text: > No Roles SHOULD be configured on a 'complex' BGP session (assuming it > is not segregated) and in that case, the OTC attribute processing > MUST be done relying on configuration on a per-prefix basis. (Note: > The per-prefix configuration of peering relationship is currently > done to handle 'complex' BGP sessions.) However, there are no built- > in measures to check the correctness of OTC use if BGP Role is not > configured. > > I've attached a diff file that highlights the above-proposed changes and also the > changes in response to your nits. We'll plan to upload a new version -16 after we > hear back from you on these proposed changes. > Thank you. > > Sriram > ________________________________________ > From: Mach Chen <mach.chen@huawei.com> > Sent: Saturday, May 29, 2021 4:03 AM > To: Alexander Azimov > Cc: draft-ietf-idr-bgp-open-policy.all@ietf.org; idr-chairs@ietf.org; idr@ietf.org; > rtg-dir@ietf.org > Subject: RE: [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp-open-policy-15.txt > > Hi Alexander, > > Please see me response inline with [Mach] > > From: rtg-dir [mailto:rtg-dir-bounces@ietf.org] On Behalf Of Alexander Azimov > Sent: Saturday, May 29, 2021 4:05 AM > To: Mach Chen <mach.chen@huawei.com> > Cc: draft-ietf-idr-bgp-open-policy.all@ietf.org; idr-chairs@ietf.org; idr@ietf.org; > rtg-dir@ietf.org > Subject: Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp-open-policy-15.txt > > Dear Mach, > > Thank you for your comments, all nits are already applied. > > [Mach] OK. > > But it proved that different authors have a different reading of your comment > related to section 6: > Section 6. > It does not specify how a speaker handle a route with OTC attribute but the > sender's role is unknown. > Are you speaking about the OTC processing in case of the absence of a locally > configured role? > Or does it about receiving OTC attribute from a neighbor that doesn't participate > in the role negotiation? > > [Mach] Actually, in both cases, the role of the peer is uncertain, if so what will the > ingress policy and egress policy be? For example, regarding ingress policy, how to > handle a route with OTC attribute but not sure the sender's role. And regarding > the egress policy, if the peer's role cannot be determined, Whether the route > should be sent to the peer? Should the OTC be kept? > > Best regards, > Mach
- [RTG-DIR] RtgDir Early review: draft-ietf-idr-bgp… Mach Chen
- Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr… Alexander Azimov
- Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr… Mach Chen
- Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr… Sriram, Kotikalapudi (Fed)
- Re: [RTG-DIR] RtgDir Early review: draft-ietf-idr… Mach Chen