Thanks Lucy for your suggestions.

I'll make these changes as part of the IESG review process.

Marc 

> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On 
> Behalf Of Lucy yong
> Sent: Wednesday, November 13, 2013 6:07 PM
> To: LASSERRE, MARC (MARC)
> Cc: [email protected]
> Subject: [nvo3] comments RE: I-D Action: 
> draft-ietf-nvo3-framework-04.txt
> 
> Marc,
> 
> Text:
> NVO3 Network: An overlay network that provides an Layer2 (L2) or 
>        Layer3 (L3) service to Tenant Systems over an L3 
> underlay network 
>        using the architecture and protocols as defined by the 
> NVO3 Working 
>        Group.
> 
> This is a clear definition.  
> 
> However, in section 2.1, the text and draw are a bit fuzzy.
> 
>        Figure 2 depicts a DC reference model for network 
> virtualization 
>        using L3 (IP/MPLS) overlays where NVEs provide a logical 
>        interconnect between Tenant Systems that belong to a 
> specific VN. 
> 
> Comment: why use L3 (IP/MPLS) overlays in the general reference model?
> 
> 
> 
>              +--------+                                    +--------+ 
>              | Tenant +--+                            +----| Tenant | 
>              | System |  |                           (')   | System | 
>              +--------+  |    .................     (   )  +--------+ 
>                          |  +---+           +---+    (_)     
>                          +--|NVE|---+   +---|NVE|-----+ 
>                             +---+   |   |   +---+ 
>                             / .    +-----+      . 
>                            /  . +--| NVA |      . 
>                           /   . |  +-----+      . 
>                          |    . |               .  
>                          |    . |  L3 Overlay +--+--++--------+ 
>              +--------+  |    . |   Network   | NVE || Tenant | 
>              | Tenant +--+    . |             |     || System | 
>              | System |       .  \ +---+      +--+--++--------+ 
>              +--------+       .....|NVE|.........    
>                                    +---+ 
>                                      |       
>                                      | 
>                            ===================== 
>                              |               | 
>                          +--------+      +--------+ 
>                          | Tenant |      | Tenant | 
>                          | System |      | System | 
>                          +--------+      +--------+ 
>      
>           Figure 2 : Generic reference model for DC network 
> virtualization 
>                          over a Layer3 (IP) infrastructure 
> 
> IMO: Figure title and the above text are not consistent. 
> 
> Suggested text:
> 
>        Figure 2 depicts a DC reference model for network 
> virtualization 
>        overlay where NVEs provide a logical interconnect 
> between Tenant 
>        Systems that belong to a specific VN.
> 
> 
> replace "L3 Overlay Network" in the figure with "Overlay 
> Network", and explain that the overlay network boundary is at 
> NVEs. (i.e. shown as the dotted box). The line between 
> NVE-NVA represents the interface between each NVE and an NVA. 
> BTW, there is a missing line between one NVE and NVA in the draw.
> 
> 
> Thanks,
> Lucy
> 
>   
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On 
> Behalf Of [email protected]
> Sent: Tuesday, November 12, 2013 11:13 AM
> To: [email protected]
> Cc: [email protected]
> Subject: [nvo3] I-D Action: draft-ietf-nvo3-framework-04.txt
> 
> 
> A New Internet-Draft is available from the on-line 
> Internet-Drafts directories.
>  This draft is a work item of the Network Virtualization 
> Overlays Working Group of the IETF.
> 
>       Title           : Framework for DC Network Virtualization
>       Author(s)       : Marc Lasserre
>                           Florin Balus
>                           Thomas Morin
>                           Nabil Bitar
>                           Yakov Rekhter
>       Filename        : draft-ietf-nvo3-framework-04.txt
>       Pages           : 25
>       Date            : 2013-11-12
> 
> Abstract:
>        This document provides a framework for Network 
> Virtualization over
>        L3 (NVO3) and it defines a reference model along with logical
>        components required to design a solution.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-nvo3-framework
> 
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-nvo3-framework-04
> 
> A diff from the previous version is available at:
> http://www.ietf.org/rfcdiff?url2=draft-ietf-nvo3-framework-04
> 
> 
> 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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