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Re: [bess] Poll for adoption: draft-zzhang-bess-evpn-bum-procedure-updates-03

"Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net> Mon, 29 August 2016 02:08 UTC

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From: "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>
To: "Swadesh Agrawal (swaagraw)" <swaagraw@cisco.com>, Eric Rosen <erosen@juniper.net>, Martin Vigoureux <martin.vigoureux@nokia.com>, "bess@ietf.org" <bess@ietf.org>
Thread-Topic: [bess] Poll for adoption: draft-zzhang-bess-evpn-bum-procedure-updates-03
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Date: Mon, 29 Aug 2016 02:08:38 +0000
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Cc: "draft-zzhang-bess-evpn-bum-procedure-updates@ietf.org" <draft-zzhang-bess-evpn-bum-procedure-updates@ietf.org>
Subject: Re: [bess] Poll for adoption: draft-zzhang-bess-evpn-bum-procedure-updates-03
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Hi Swadesh,

"Enable MVPN safi and enhance it for EVPN" is not a trivial thing that can be cleanly done on top of MVPN. You'd end up complicating MVPN procedures a lot for EVPN specific things. Instead, we can apply the same principles to EVPN safi and procedures, and that's what this draft is about.

BTW, we don't yet see the need of the equivalent of MVPN type-5 routes for EVPN. Draft-sajassi-bess-evpn-igmp-mld-proxy already proposed SMET route which is very similar to MVPN type-6/7 (to be exact, a combination of type-4/6/7). That is explained in draft-zzhang-bess-mvpn-evpn-cmcast-enhancements.

Jeffrey

> -----Original Message-----
> From: Swadesh Agrawal (swaagraw) [mailto:swaagraw@cisco.com]
> Sent: Friday, August 26, 2016 3:06 AM
> To: Eric Rosen <erosen@juniper.net>; Martin Vigoureux
> <martin.vigoureux@nokia.com>; bess@ietf.org
> Cc: draft-zzhang-bess-evpn-bum-procedure-updates@ietf.org
> Subject: Re: [bess] Poll for adoption: draft-zzhang-bess-evpn-bum-
> procedure-updates-03
> 
> Why we need to copy MVPN procedures in EVPN. Why not enable MVPN safi and
> enhance it for any EVPN specific requiremnt. Also going in this direction
> may require to add 5,6 and 7 routes as well in future.
> 
> Regards
> Swadesh
> 
> On 8/25/16, 2:22 PM, "Eric C Rosen" <erosen@juniper.net> wrote:
> 
> >Support.
> >
> >MVPN has a number of multicast features that are valuable, but haven't
> >yet been incorporated into EVPN.  This draft takes a comprehensive look
> >at the MVPN  procedures that provide those features, and shows how to
> >adapt them to EVPN.   This seems quite valuable to me, and thus I think
> >the WG should adopt this draft.
> >
> >_______________________________________________
> >BESS mailing list
> >BESS@ietf.org
> >https://www.ietf.org/mailman/listinfo/bess

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