Re: [Idr] Alissa Cooper's Discuss on draft-ietf-idr-rfc8203bis-07: (with DISCUSS and COMMENT)
Alissa Cooper <alissa@cooperw.in> Thu, 08 October 2020 01:51 UTC
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From: Alissa Cooper <alissa@cooperw.in>
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Date: Wed, 07 Oct 2020 21:51:42 -0400
Cc: IESG <iesg@ietf.org>, "draft-ietf-idr-rfc8203bis@ietf.org" <draft-ietf-idr-rfc8203bis@ietf.org>, "idr-chairs@ietf.org" <idr-chairs@ietf.org>, "idr@ietf.org" <idr@ietf.org>, Susan Hares <shares@ndzh.com>, "aretana.ietf@gmail.com" <aretana.ietf@gmail.com>
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To: "Jakob Heitz (jheitz)" <jheitz@cisco.com>
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Subject: Re: [Idr] Alissa Cooper's Discuss on draft-ietf-idr-rfc8203bis-07: (with DISCUSS and COMMENT)
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> On Oct 7, 2020, at 8:59 PM, Jakob Heitz (jheitz) <jheitz@cisco.com> wrote: > > There is no way to know whether the neighbor supports RFC8203 either, > so the problem is not unique to the bis. Ok. How do operators decide whether to use RFC 8203 and, if this document is approved, how long of a message to use? Alissa > > This is a best-effort message for convenience. > The session is going down whether the message makes it or not. > If the peer operator is confused, he will pick up the phone and > call the NOC or whatever else they do today. > The message prevents that phone call. > When maintenance is scheduled, it should be agreed upon beforehand, > so both ends should be expecting the cease notification anyway. > This message serves only as a reminder in case people don't read their email and such. > > Regards, > Jakob. > > -----Original Message----- > From: Alissa Cooper via Datatracker <noreply@ietf.org> > Sent: Wednesday, October 7, 2020 5:10 PM > To: The IESG <iesg@ietf.org> > Cc: draft-ietf-idr-rfc8203bis@ietf.org; idr-chairs@ietf.org; idr@ietf.org; Susan Hares <shares@ndzh.com>; aretana.ietf@gmail.com; shares@ndzh.com > Subject: Alissa Cooper's Discuss on draft-ietf-idr-rfc8203bis-07: (with DISCUSS and COMMENT) > > Alissa Cooper has entered the following ballot position for > draft-ietf-idr-rfc8203bis-07: Discuss > > 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-idr-rfc8203bis/ > > > > ---------------------------------------------------------------------- > DISCUSS: > ---------------------------------------------------------------------- > > "If a Shutdown Communication longer than 128 octets is sent to a BGP > speaker that implements [RFC8203], then that speaker will treat it as > an error, the consequence of which is a log message. For this > reason, operators would be wise to keep shutdown communications to > less than 128 octets when feasible." > > I have a similar question to what Éric asked. Doesn't the above mostly undercut > the value of doing this bis at all? If operators can't expect longer messages > to be understood, will they implement some kind of policy logic or heuristics > to decide when to try to send them and when not? Otherwise, under what > circumstances will they send them? > > Was it considered to instead add a new subcode to the BGP Cease NOTIFICATION > subcode registry to capture this case (admin reset or shutdown with long > shutdown message)? That way at least those who want to use it can differentiate > between recipients that don't support RFC 8203, those that do, and those that > support longer communications. I'm not at all steeped in BGP so I'm happy to > drop this if it's unworkable, but I wanted to ask. > > > ---------------------------------------------------------------------- > COMMENT: > ---------------------------------------------------------------------- > > For the IESG: it would be good to discuss a bit if there is some process we can > use to avoid this kind of oversight (that occurred with RFC 8203) in the > future. i18ndir didn't exist when it was published, but even if it had I'm not > sure we would have caught this. > > >
- [Idr] Alissa Cooper's Discuss on draft-ietf-idr-r… Alissa Cooper via Datatracker
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Jakob Heitz (jheitz)
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Alissa Cooper
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Jakob Heitz (jheitz)
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Alissa Cooper
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Jakob Heitz (jheitz)
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Jakob Heitz (jheitz)
- Re: [Idr] Alissa Cooper's Discuss on draft-ietf-i… Alvaro Retana