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Re: [v6ops] [spring] New Version Notification for draft-matsushima-spring-srv6-deployment-status-02.txt

"Bertrand Duvivier (bduvivie)" <bduvivie@cisco.com> Tue, 22 October 2019 20:55 UTC

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From: "Bertrand Duvivier (bduvivie)" <bduvivie@cisco.com>
To: Fred Baker <fredbaker.ietf@gmail.com>, Lizhenbin <lizhenbin@huawei.com>
CC: "spring@ietf.org" <spring@ietf.org>, "ipv6@ietf.org" <ipv6@ietf.org>, "v6ops@ietf.org" <v6ops@ietf.org>, "Clarence Filsfils (cfilsfil)" <cfilsfil@cisco.com>, Satoru Matsushima <satoru.matsushima@g.softbank.co.jp>
Thread-Topic: [spring] New Version Notification for draft-matsushima-spring-srv6-deployment-status-02.txt
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Date: Tue, 22 Oct 2019 20:55:27 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/Q1dr9OCSKI30nXbyTXj4Lu_SXSs>
Subject: Re: [v6ops] [spring] New Version Notification for draft-matsushima-spring-srv6-deployment-status-02.txt
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Fred,

IPv6 without SRH don't support TE, nor FRR (topology independent), nor Service Chaining, nor Network Programming, SRv6 does address all. Which what IPv4 never did, for IPv4, we had to add extra encap (MPLS,NSH,..) introducing constraints like no summarisation to deliver similar use-cases.

BTW I'm aware of
- 5+ hardware vendors supporting SRv6
- 4+ deployed SRv6 networks
- 20+ network operators interested by SRv6
- OS's supporting SRv6 like: Linux, FD.io,...
Thus "before we push SRv6 deployement" sounds not longer an option, it is done already. 

BRGDS Bertrand 
Cisco


On 18/10/2019, 01:52, "spring on behalf of Fred Baker" <spring-bounces@ietf.org on behalf of fredbaker.ietf@gmail.com> wrote:

    
    > On Oct 17, 2019, at 5:30 AM, Lizhenbin <lizhenbin@huawei.com> wrote:
    > 
    > In the past two years, China pushed the IPv6 deployment and almost all the IP networks of operators achieve the goal "IPv6 Ready". This provide a strong base for SRv6 deployments which can help operators provide new services based on IPv6 infrastructure.
    
    With respect, I would suggest that before we push for SRv6 deployment, we develop and SRv6 use case that IPv6 doesn't support. My perception is that SRv6 is a solution looking for a problem.
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