Re: [vnrg] FW: I-D Action:draft-shin-virtualization-meta-arch-01.txt

[PaddyNallur <paddy at huaweisymantec.com>]

Hi,

I have the following comments on the document:


Section 1, Introduction:

In this section, the 'server virtualization' benefits are mentioned. Why not also mention the "storage virtualization" benefits ? May be we can bring some of the benefits like "data migration" into the network virtualization also e.g. "network migration" ?  Just a thought.



Section 3, first bullet item:

The description starting from "Furthermore, a network application may ..." is a new capability that network virtualization would bring. My suggestion is to make this a separate bullet item.



Section 4, applicability and use cases: 

In the complex physical networking infrastructure today (e.g., at the core of the network), it is very difficult to add or reserve exclusive physical resources within the physical network for certain application(s) or users.
With network virtualization, we should be able to add or reserve physical resources for a single or group of virtual networks, anywhere in the physical network (e.g., at bottleneck points). With this capability, the infrastructure providers can add/reserve (purchase) resources exclusively for certain customers anywhere in the physical network.  This use case is somewhat opposite of "aggregation" and would be worth mentioning in my opinion.


Thanks
Paddy Nallur



----- Original Message -----
From: Sangjin Jeong <sjjeong at etri.re.kr>
Date: Thursday, April 29, 2010 6:26 pm
Subject: [vnrg] FW: I-D Action:draft-shin-virtualization-meta-arch-01.txt
To: vnrg at irtf.org


> Hello folks,
>  
> During the Anaheim meeting, it was agreed that "Network Virtualization 
> Problem Statement" document was a good starting point, but more work 
> needs to be done in order to cover various aspects. So, as a follow-up 
> of the meeting. we would like to start discussion about the document. 
> Please find the document in the link below. 
>  
> This document investigates problem spaces and requirements for 
> supporting network virtualization. We have received several comments 
> offline, but we are soliciting more comments.
>  
> Any comments are appreciated.
>  
> Regards,
> Sangjin
> 
> -----Original Message----- 
> From: "Internet-Drafts at ietf.org" <Internet-Drafts at ietf.org> 
> From Date: 2010-03-04 PM 11:45:01 
> To: "i-d-announce at ietf.org" <i-d-announce at ietf.org> 
> Cc: 
> Subject: I-D Action:draft-shin-virtualization-meta-arch-01.txt 
> 
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts 
> directories. 
> 
>        Title           : Network Virtualization Problem Statement 
>        Author(s)       : S. Jeong, et al. 
>        Filename        : draft-shin-virtualization-meta-arch-01.txt 
>        Pages           : 9 
>        Date            : 2010-03-04 
> 
> This document analyzes and discusses the problem space of supporting 
> network virtualization in the networks.  Furthermore, some key 
> requirements for enabling network virtualization in the networks are 
> investigated and described. 
> 
> A URL for this Internet-Draft is: 
> http://www.ietf.org/internet-drafts/draft-shin-virtualization-meta-arch-01.txt 
> 
> 
> Internet-Drafts are also available by anonymous FTP at: 
> ftp://ftp.ietf.org/internet-drafts/ 
> 
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