As many people have pointed out already, the current problem statement draft 
http://tools.ietf.org/html/draft-narten-nvo3-overlay-problem-statement-02)has 
significant issues in describing VPN-related problems.  It should at least 
consider merging with previously submitted VPN4DC problem statement drafts.

Ning

--------------------------------------------------------------------------------


Benson,

> Dear NVO3 Participants -
> 
> This message begins a two week Call for Adoption of 
> http://tools.ietf.org/html/draft-narten-nvo3-overlay-problem-statement-02 > 
> by the NVO3 working group, ending on 30-June-2012.
> 
> Please respond to the NVO3 mailing list with any statements of approval 
> or disapproval, along with any additional comments that might explain 
> your position. Also, if any NVO3 participant is aware of IPR associated 
> with this draft, please inform the mailing list and/or the NVO3 chairs. 
> Before considering adoption of draft-narten-nvo3-overlay-problem-statement,
we should consider how this draft is related to
draft-fang-vpn4dc-problem-statement (see below) ? Do these two drafts 
cover the same topic ? Are they complementary with each other ?
Should both of these drafts be merged into a single draft, before
being adopted by the NVO3 working group ? Yakov. 
-----------------------------------------------------------------------
Date:    Wed, 20 Jun 2012 10:50:53 CDT
To:      <nvo3 at ietf.org>
cc:      Pedro Marques <pedro.r.marques at gmail.com>, mnapierala at att.com, 
"Dennis Cai \(dcai\)" <dcai at cisco.com>
From:    "Luyuan Fang (lufang)" <lufang at cisco.com>
Subject: [nvo3] FW: New Version Notification fordraft-fang-vpn4dc-problem-sta 
***tement-01.txt Dear colleagues, We have uploaded a new updated version of 
draft-fang-vpn4dc-problem-statement
-01.txt (on 6/12), by Maria Napierala, Dennis Cai, and myself.
Appreciate your review and comments. Thanks,
Luyuan -----Original Message-----
From: internet-drafts at ietf.org [mailto:internet-drafts at ietf.org] 
Sent: Tuesday, June 12, 2012 10:48 PM
To: Luyuan Fang (lufang)
Cc: mnapierala at att.com; Dennis Cai (dcai)
Subject: New Version Notification fordraft-fang-vpn4dc-problem-statement-01.t
xt A new version of I-D, draft-fang-vpn4dc-problem-statement-01.txt
has been successfully submitted by Luyuan Fang and posted to the
IETF repository. Filename:       draft-fang-vpn4dc-problem-statement
Revision:        01
Title:           IP-VPN Data Center Problem Statement and Requirements
Creation date:   2012-06-12
WG ID:           Individual Submission
Number of pages: 18
URL: http://www.ietf.org/internet-drafts/draft-fang-vpn4dc-proble 
m-statement-01.txt
Status: http://datatracker.ietf.org/doc/draft-fang-vpn4dc-problem-st atement
Htmlized: http://tools.ietf.org/html/submission.filename }}-01
Diff: http://tools.ietf.org/rfcdiff?url2=draft-fang-vpn4dc-problem 
-statement-01 Abstract: Network Service Providers commonly use BGP/MPLS VPNs 
[RFC 4364] as the control plane for virtual networks. This technology has 
proven to scale to a large number of VPNs and attachment points, and it is well 
suited for Data Center connectivity, especially when supporting all IP 
applications. The Data Center environment presents new challenges and imposes 
additional requirements to IP VPN technologies, including multi- tenancy 
support, high scalability, VM mobility, security, and orchestration. This 
document describes the problems and defines the new requirements. The IETF 
Secretariat
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