Subject: Re: [Bier] draft-ietf-bier-ipv6-requirements-04

From: Liang GENG <[email-masked]>
Date: Thu, 23 Jan 2020 02:43:20 +0000

Hi Mike,

In an operator point of view, it is never a bad idea to have multiple solution for a emerging technology.

BIER is yet to be widely deployed in current network. I would suggest to allow both solution adopted. The market will have more choices according to various implementation considerations caused by legacy network concern etc.

Therefore I support adoption of both solution drafts.

Best wishes
Liang

________________________________
From: BIER <[email-masked]> on behalf of Michael McBride <[email-masked]>
Sent: 16 January 2020 8:27
To: BIER WG <[email-masked]>
Subject: Re: [Bier] draft-ietf-bier-ipv6-requirements-04

Hello team bier,

We've updated the bier-ipv6-req's draft, per our discussion in Singapore, and will ask for wglc in Vancouver. This gives us time to fine tune it with your additional feedback.

The purpose of this draft is to list the requirements which will help steer us towards a solution(s). There are currently two active drafts (xie-bier-ipv6-encapsulation & zhang-bier-bierin6). Both are summarized in the appendix of bier-ipv6-requirements along with several other solutions. Both have been discussed at great length and meet the majority of the req's. IMHO the bier chairs/wg should discuss adopting both of these solutions as each provide a good (yes I'm biased) unique bierv6 solution. We could either let one of the solutions prevail in the end or allow both to progress and allow the market decide.

Your further opinions appreciated.

Thanks,
mike

-----Original Message-----
From: BIER <[email-masked]> On Behalf Of [email-masked]
Sent: Wednesday, January 15, 2020 3:47 PM
To: [email-masked]
Cc: [email-masked]
Subject: [Bier] I-D Action: draft-ietf-bier-ipv6-requirements-04.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Bit Indexed Explicit Replication WG of the IETF.

        Title           : BIER IPv6 Requirements
        Authors         : Mike McBride
                          Jingrong Xie
                          Senthil Dhanaraj
                          Rajiv Asati
                          Yongqing Zhu
        Filename        : draft-ietf-bier-ipv6-requirements-04.txt
        Pages           : 14
        Date            : 2020-01-15

Abstract:
   The BIER WG includes, in its charter, work on developing mechanisms
   to transport BIER natively in IPv6.  This document is intended to
   help the WG with this effort by specifying requirements for
   transporting packets, with Bit Index Explicit Replication (BIER)
   headers, in an IPv6 environment.  There will be a need to send IPv6
   payloads, to multiple IPv6 destinations, using BIER.  There have been
   several proposed solutions in this area.  But there hasn't been a
   document which describes the problem and lists the requirements.  The
   goal of this document is to describe the BIER IPv6 requirements,
   summarize the proposed solutions, and guide the working group in
   understanding the benefits, and drawbacks, of the various solutions
   and to help in the development of acceptable solutions.

The IETF datatracker status page for this draft is:
https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-bier-ipv6-requirements%2F&amp;data=02%7C01%7Cmichael.mcbride%40futurewei.com%7C39abd8b485ae4a68976f08d79a153493%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637147288203952108&amp;sdata=%2Fm5KusjR4rw11mg%2BXfWfFJX6BXiylDFYcVoZB52ZF9M%3D&amp;reserved=0

There are also htmlized versions available at:
https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-ietf-bier-ipv6-requirements-04&amp;data=02%7C01%7Cmichael.mcbride%40futurewei.com%7C39abd8b485ae4a68976f08d79a153493%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637147288203952108&amp;sdata=ZldLMIS%2F6gMM9Ri%2BNQnjCEp%2BrkSMSBdC6kB1UKeQ7Io%3D&amp;reserved=0
https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-ietf-bier-ipv6-requirements-04&amp;data=02%7C01%7Cmichael.mcbride%40futurewei.com%7C39abd8b485ae4a68976f08d79a153493%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637147288203952108&amp;sdata=dmHX8vqvD5KJOLJS1%2BXKoty779GtqN6QjWTM76Ha9OA%3D&amp;reserved=0

A diff from the previous version is available at:
https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Frfcdiff%3Furl2%3Ddraft-ietf-bier-ipv6-requirements-04&amp;data=02%7C01%7Cmichael.mcbride%40futurewei.com%7C39abd8b485ae4a68976f08d79a153493%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637147288203952108&amp;sdata=yKlkqpf0pYttYiahrVAeQ%2BG%2Ft4ihZdAKvSs17g8ToLo%3D&amp;reserved=0

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/

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