Re: [Idr] I-D Action: draft-ietf-idr-as-migration-04.txt
"Susan Hares" <shares@ndzh.com> Tue, 05 May 2015 22:38 UTC
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From: Susan Hares <shares@ndzh.com>
To: 'Juan Alcaide' <jalcaide@cisco.com>
References: <20150409140218.22830.31521.idtracker@ietfa.amsl.com> <D14BFEEA.4CC52%wesley.george@twcable.com> <02e401d072e4$4f5a1cc0$ee0e5640$@ndzh.com> <D14C3347.A438A%aretana@cisco.com> <alpine.GSO.2.00.1504161723090.17655@clubhouse-1.cisco.com> <001f01d07b3f$13ee12f0$3bca38d0$@ndzh.com> <B17A6910EEDD1F45980687268941550F0CB90981@MISOUT7MSGUSRCD.ITServices.sbc.com> <alpine.GSO.2.00.1504201548460.29478@clubhouse-1.cisco.com> <20150421202647.GB1600@pfrc> <alpine.GSO.2.00.1504220511220.16159@clubhouse-2.cisco.com> <D15D7DB9.4E672%wesley.george@twcable.com> <002d01d07d55$168b3b60$43a1b220$@ndzh.com> <alpine.GSO.2.00.1504230812570.5542@clubhouse-1.cisco.com>
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Date: Tue, 05 May 2015 18:37:54 -0400
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Cc: idr@ietf.org, jgralak@juniper.net, "'UTTARO, JAMES'" <ju1738@att.com>
Subject: Re: [Idr] I-D Action: draft-ietf-idr-as-migration-04.txt
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Juan: Thank you for this feedback. I will pass this along to Alvaro and discuss it with Wes. Sue -----Original Message----- From: Juan Alcaide [mailto:jalcaide@cisco.com] Sent: Thursday, April 23, 2015 8:17 AM To: Susan Hares Cc: 'George, Wes'; 'Jeffrey Haas'; idr@ietf.org; jgralak@juniper.net; 'UTTARO, JAMES' Subject: RE: [Idr] I-D Action: draft-ietf-idr-as-migration-04.txt Let me be clear. I don't want to revise the FSM. With the current FSM, internal BGP alias feature will work if we are strict in how it's implemented. Otherwise, we may have interoperability problems. Basically, it needs to be specified with AS is tried first. Just want to make sure the draft says this explicetely (in its current form it is implied). -J > WG, George, Jeff and Juan: > > A revision to the state machine in BGP is outside the scope of this draft. For those who want to participate in a revision of the state machine, please send me your names. I will put you on a design team to examine the state machine and provide a draft for the WG group. > > Sue > > > WG] I think the point here is that even this more basic guidance needs to be bashed against what the FSM currently does vs what the spec says it should do (or worse, where the spec is ambiguous and has likely been handled different ways by different vendors) before we can determine where/if it's actually necessary to provide explicit guidance on the matter. The philosophy of the draft has generally been to not be overly proscriptive and discuss the desired behavior, and then let the implementers figure out how that has to work in the guts of their BGP implementation, such as within their implementation of FSM. If you can point to guidance that we need to provide to prevent the desired behavior from being critically altered if it is incorrectly implemented at the FSM level or it otherwise creates interoperability issues for something that is pretty much only locally significant, I can see about adding it, but you will definitely need to provide text, as I am by no means an expert on how this interacts with the FSM. >
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… George, Wes
- [Idr] I-D Action: draft-ietf-idr-as-migration-04.… internet-drafts
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Alvaro Retana (aretana)
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Juan Alcaide
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… UTTARO, JAMES
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… George, Wes
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Juan Alcaide
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Jeffrey Haas
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Juan Alcaide
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… George, Wes
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Juan Alcaide
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Juan Alcaide
- Re: [Idr] I-D Action: draft-ietf-idr-as-migration… Susan Hares