Re: [nvo3] Why not use L3VPN for data center interconnect? (was //re: Request a WG adoption poll for draft-xu-virtual-subnet-10)

["Luyuan Fang (lufang)" <[e-mail]>]

> why not try to use the proven L3VPN technology for data center
>interconnect...

We presented draft-fang-l3vpn-data-center-interconnect in Orlando, IETF 86.
http://tools.ietf.org/html/draft-fang-l3vpn-data-center-interconnect-01

Comments from WGs are welcome.

Thanks,
Luyuan


-----Original Message-----
From: Xuxiaohu <[e-mail]>
Date: Tuesday, July 2, 2013 2:52 AM
To: L3VPN <[e-mail]>
Cc: "[e-mail]" <[e-mail]>
Subject: Why not use L3VPN for data center interconnect?//re: Request a
WG	adoption poll for draft-xu-virtual-subnet-10

>Hi all,
>
>Till now, it seems that too much attention has been paid to the use of
>L2VPN for data center interconnect. Although there are still a few
>clustering applications which rely on non-IP or non-routable IP
>communications (e.g., heartbeat messages between cluster nodes), more and
>more cluster vendors are offering clustering applications based on Layer
>3 interconnection. In addition, geographical high-availability clusters
>is not a must in many data center interconnect cases.
>
>As L3VPN has many distinct advantages over L2VPN for data center
>interconnect such as: scaling forwarding tables of data center switches,
>path optimization, unknown unicast and ARP suppression... why not try to
>use the proven L3VPN technology for data center interconnect in the
>scenario where the limitations as mentioned above don't exist?
>
>Best regards,
>Xiaohu
>
>> -----邮件原件-----
>> 发件人: [e-mail] [mailto:[e-mail]]
>> 发送时间: 2013年7月1日 21:14
>> 收件人: Xuxiaohu
>> 抄送: [e-mail]; [e-mail];
>> L3VPN
>> 主题: Re: Request a WG adoption poll for draft-xu-virtual-subnet-10
>> 
>> Hello Xuxiaohu,
>> 
>> Before eventually starting a discussion on the adoption on this
>> document, we chairs would like to see more discussion and have the
>> feedback from more readers (during the 2 previous meetings, only 5 to 10
>> people raised their hand when the room was polled on having read the
>> document).
>> 
>> Regards,
>> 
>> -Thomas and Martin,
>> l3vpn co-chairs
>> 
>> 
>> 2013-07-01, Xuxiaohu:
>> > Hi Thomas and Martin,
>> >
>> > I haven't received any response from any of you. Hence I resend it.
>> >
>> > Best regards,
>> > Xiaohu
>> >
>> >> -----邮件原件-----
>> >> 发件人: Xuxiaohu
>> >> 发送时间: 2013年6月20日 15:07
>> >> 收件人: '[e-mail]'; '[e-mail]';
>> >> '[e-mail]'
>> >> 抄送: L3VPN
>> >> 主题: Request a WG adoption poll for draft-xu-virtual-subnet-10
>> >>
>> >> Hi WG co-chairs,
>> >>
>> >> As mentioned before, this draft
>> >> (http://tools.ietf.org/html/draft-xu-virtual-subnet-10) describes
>>how to
>> reuse
>> >> the proven L3VPN technology to realize subnet extension for data
>>center
>> >> interconnect, with the aid of many concrete experiments and
>>verifications.
>> >>
>> >> We co-authors believe the information contained in this draft would
>>be
>> valuable
>> >> for cloud service providers to evaluate the feasibility of adopting
>>the proven
>> >> L3VPN technology for data center interconnection (by the way, some
>>people
>> >> had shown their interests on the scheme described in this draft when
>> visiting
>> >> our implementation demo of this scheme at the Bits-N-Bites event of
>> IETF86).
>> >> Hence we would like co-chairs to start a WG adoption poll for this
>>draft.
>> >>
>> >> Best regards,
>> >> Xiaohu (on behalf of all co-authors)
>> 
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>