Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.txt
mohamed.boucadair@orange.com Fri, 20 March 2020 09:50 UTC
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From: mohamed.boucadair@orange.com
To: Joel Halpern <jmh@joelhalpern.com>, "lisp@ietf.org" <lisp@ietf.org>
Thread-Topic: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.txt
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Date: Fri, 20 Mar 2020 09:50:27 +0000
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Subject: Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.txt
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Hi Joel, Good catch. I think we just need to delete that second sentence. The behavior when pubsub is not supported is covered by this text: Upon receipt of the Map-Request, the Map-Server processes it as described in [I-D.ietf-lisp-rfc6833bis]. The failure cases we wanted to cover are those in: The subscription of an xTR-ID to the list of subscribers for the EID- Record may fail for a number of reasons. For example, because of local configuration policies (such as accept and drop lists of subscribers), or because the Map-Server has exhausted the resources to dedicate to the subscription of that EID-Record (e.g., the number of subscribers excess the capacity of the Map-Server). Cheers, Med > -----Message d'origine----- > De : lisp [mailto:lisp-bounces@ietf.org] De la part de Joel Halpern > Envoyé : jeudi 19 mars 2020 17:25 > À : lisp@ietf.org > Objet : Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.txt > > I was reading this draft again to think about the questions Alberto > raised on the list. In doing so, I came across something that I think > needs to be clarified. > > In section 5, I see the following two sentences: > If the subscription fails, the Map-Server MUST send a Map-Reply to > the originator of the Map-Request, as described in > [I-D.ietf-lisp-rfc6833bis]. This is also the case when the Map- > Server does not support PubSub operation. > > I understand the first sentence. The second sentence appears to cover > two different cases. One case is where the Map-Server understands > PubSub, but does not accept it. Okay. I can see an error in that > case. > But, as written, this seems to be intended to apply to a Map-Server > that has never heard of the PubSub extension. Such a Map-Server will > ignore the I bit and ignore the N bit. It will not know that this is > a > PubSub request, and as such will not generate an error. I have no > problem with generating an error in the known but not supported case. > Can we (when we revise the draft) clarify the text? > (It took me a little bit to realize that this text probably meant the > known but not supported case, as it was the unknown case that came to > mind first.) > > Yours, > Joel > > On 3/18/2020 8:50 PM, internet-drafts@ietf.org wrote: > > > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > > This draft is a work item of the Locator/ID Separation Protocol WG > of the IETF. > > > > Title : Publish/Subscribe Functionality for LISP > > Authors : Alberto Rodriguez-Natal > > Vina Ermagan > > Johnson Leong > > Fabio Maino > > Albert Cabellos-Aparicio > > Sharon Barkai > > Dino Farinacci > > Mohamed Boucadair > > Christian Jacquenet > > Stefano Secci > > Filename : draft-ietf-lisp-pubsub-05.txt > > Pages : 12 > > Date : 2020-03-18 > > > > Abstract: > > This document specifies an extension to the use of Map-Request > to > > enable Publish/Subscribe (PubSub) operation for LISP. > > > > > > The IETF datatracker status page for this draft is: > > https://datatracker.ietf.org/doc/draft-ietf-lisp-pubsub/ > > > > There are also htmlized versions available at: > > https://tools.ietf.org/html/draft-ietf-lisp-pubsub-05 > > https://datatracker.ietf.org/doc/html/draft-ietf-lisp-pubsub-05 > > > > A diff from the previous version is available at: > > https://www.ietf.org/rfcdiff?url2=draft-ietf-lisp-pubsub-05 > > > > > > Please note that it may take a couple of minutes from the time of > submission > > until the htmlized version and diff are available at tools.ietf.org. > > > > Internet-Drafts are also available by anonymous FTP at: > > ftp://ftp.ietf.org/internet-drafts/ > > > > > > _______________________________________________ > > I-D-Announce mailing list > > I-D-Announce@ietf.org > > https://www.ietf.org/mailman/listinfo/i-d-announce > > Internet-Draft directories: http://www.ietf.org/shadow.html > > or ftp://ftp.ietf.org/ietf/1shadow-sites.txt > > > > _______________________________________________ > lisp mailing list > lisp@ietf.org > https://www.ietf.org/mailman/listinfo/lisp
- [lisp] I-D Action: draft-ietf-lisp-pubsub-05.txt internet-drafts
- Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.… Joel Halpern
- Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.… mohamed.boucadair
- Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.… Joel M. Halpern
- Re: [lisp] I-D Action: draft-ietf-lisp-pubsub-05.… Alberto Rodriguez-Natal