Re: [bess] [Idr] draft-hb-idr-sr-p2mp-policy (3/10 to 3/24/2022) - Adoption call

"Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net> Wed, 06 April 2022 14:54 UTC

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From: "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>
To: Susan Hares <shares@ndzh.com>, "idr@ietf.org" <idr@ietf.org>
CC: 'BESS' <bess@ietf.org>, "pim@ietf.org" <pim@ietf.org>
Thread-Topic: [Idr] draft-hb-idr-sr-p2mp-policy (3/10 to 3/24/2022) - Adoption call
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Date: Wed, 06 Apr 2022 14:54:00 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/bess/CPjs5bhih9h4tMCdICs074JlUsA>
Subject: Re: [bess] [Idr] draft-hb-idr-sr-p2mp-policy (3/10 to 3/24/2022) - Adoption call
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Hi Sue,

I replied to Gyan's email last night and I just noticed that it crossed with this email.

I have posted draft-ietf-bess-bgp-multicast-controller-08.

Thanks!
Jeffrey



Juniper Business Use Only
From: Susan Hares <shares@ndzh.com>
Sent: Tuesday, April 5, 2022 7:10 PM
To: Jeffrey (Zhaohui) Zhang <zzhang@juniper.net>; idr@ietf.org
Cc: 'BESS' <bess@ietf.org>; pim@ietf.org
Subject: RE: [Idr] draft-hb-idr-sr-p2mp-policy (3/10 to 3/24/2022) - Adoption call

[External Email. Be cautious of content]

Jeffrey:

The assumptions in the following email:
https://mailarchive.ietf.org/arch/msg/idr/KObeSgKPu3HRbd0ZN7L7fWq_Eto/<https://urldefense.com/v3/__https:/mailarchive.ietf.org/arch/msg/idr/KObeSgKPu3HRbd0ZN7L7fWq_Eto/__;!!NEt6yMaO-gk!TXoR3wZyAFd_Sg2L6d_XgKBqhfuPh_uIvuy64pVKhGW97Gud1X-42EXyHo2-JRLO$>

are based on past assumptions.  The  BESS, IDR, and PIM WG Chairs
have agreed to a joint WG adoptions to gain input from these 3 WGs
into cohesive solutions.   Therefore, let's focus on the technologies in this adoption.

Please repost your draft:
https://datatracker.ietf.org/doc/draft-ietf-bess-bgp-multicast-controller/<https://urldefense.com/v3/__https:/datatracker.ietf.org/doc/draft-ietf-bess-bgp-multicast-controller/__;!!NEt6yMaO-gk!TXoR3wZyAFd_Sg2L6d_XgKBqhfuPh_uIvuy64pVKhGW97Gud1X-42EXyHuAZdTyY$>

I have extended the WG adoption call so that you can repost this draft.
Please repost on 4/5 or 4/6.  Without a repost of your draft,
I will close the WG adoption call.

My next posts will focus on the technical based on the following
assertions you made in

You indicated in
https://mailarchive.ietf.org/arch/msg/idr/8k4Pkcg0aqIwPFbSULXepsaHDSw/<https://urldefense.com/v3/__https:/mailarchive.ietf.org/arch/msg/idr/8k4Pkcg0aqIwPFbSULXepsaHDSw/__;!!NEt6yMaO-gk!TXoR3wZyAFd_Sg2L6d_XgKBqhfuPh_uIvuy64pVKhGW97Gud1X-42EXyHurmAs0M$>

"When it comes to SR-P2MP state downloading, there are three aspects involved here:


  1.  NLRI to encode policy information
  2.  NLRI to encode <tree/path/instance, node> identification
  3.  Tunnel Encapsulation Attribute (TEA) that encodes actual replication branches

The draft-ietf-bess-(even when used for SR-P2MP) is aligned with other
non-SR multicast trees (IP/mLDP) for a unified approach,
while draft-hb is aligned to unicast BGP SR policy."

Sue Hares