Re: [lisp] draft-ietf-lisp-pubsub-09

"Alberto Rodriguez-Natal (natal)" <natal@cisco.com> Tue, 26 April 2022 10:45 UTC

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From: "Alberto Rodriguez-Natal (natal)" <natal@cisco.com>
To: Robert Raszuk <robert@raszuk.net>
CC: "lisp@ietf.org list" <lisp@ietf.org>, "draft-ietf-lisp-pubsub@ietf.org" <draft-ietf-lisp-pubsub@ietf.org>, "lisp-chairs@ietf.org" <lisp-chairs@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/lisp/cjZ89exXn9RF6K881uMfDnBU-t4>
Subject: Re: [lisp] draft-ietf-lisp-pubsub-09
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Interesting, there might be use-cases for that. Maybe that is something we can work as an extension of the base PubSub, once the base spec is done?

Alberto

From: Robert Raszuk <robert@raszuk.net>
Date: Tuesday, April 26, 2022 at 12:28 PM
To: Alberto Rodriguez-Natal (natal) <natal@cisco.com>
Cc: lisp@ietf.org list <lisp@ietf.org>, draft-ietf-lisp-pubsub@ietf.org <draft-ietf-lisp-pubsub@ietf.org>, lisp-chairs@ietf.org <lisp-chairs@ietf.org>
Subject: Re: [lisp] draft-ietf-lisp-pubsub-09
Hi Alberto,

Cool - that is pretty helpful.

I still wonder if any other arbitrary (custom per operational needs) grouping of EIDs would  be worth considering. Something like communities in BGP :) Then subscribe to all EIDs marked with such value.

Best,
Robert.



On Tue, Apr 26, 2022 at 12:24 PM Alberto Rodriguez-Natal (natal) <natal@cisco.com<mailto:natal@cisco.com>> wrote:
Hi Robert,

PubSub builds on top of the general LISP behavior defined 6833bis, which allows to send Map-Requests for EID prefixes. That means that, in PubSub, you can use an ‘EID mask-len’ different from 32 or 128 on the Map-Request where you set the N-bit to 1.

Hope this makes sense.

Thanks!
Alberto

From: lisp <lisp-bounces@ietf.org<mailto:lisp-bounces@ietf.org>> on behalf of Robert Raszuk <robert@raszuk.net<mailto:robert@raszuk.net>>
Date: Tuesday, April 26, 2022 at 11:13 AM
To: lisp@ietf.org<mailto:lisp@ietf.org> list <lisp@ietf.org<mailto:lisp@ietf.org>>
Cc: draft-ietf-lisp-pubsub@ietf.org<mailto:draft-ietf-lisp-pubsub@ietf.org> <draft-ietf-lisp-pubsub@ietf.org<mailto:draft-ietf-lisp-pubsub@ietf.org>>, lisp-chairs@ietf.org<mailto:lisp-chairs@ietf.org> <lisp-chairs@ietf.org<mailto:lisp-chairs@ietf.org>>
Subject: [lisp] draft-ietf-lisp-pubsub-09
Hi,

Noticed Alvaro's review and have one question related to the draft ..

Is EID the only key to subscribe ?

Do you have a notion of subscribing to a group of EIDs (EID prefix) with one request ? Or is there a way to subscribe to a group of EIDs based on some other form of marking/grouping/coloring of EIDs ?

Thx,
R.