Re: [GROW] I-D Action:draft-ietf-grow-simple-va-02.txt

"George, Wes E [NTK]" <Wesley.E.George@sprint.com> Thu, 17 March 2011 14:19 UTC

From: "George, Wes E [NTK]" <Wesley.E.George@sprint.com>
To: "grow@ietf.org" <grow@ietf.org>
Thread-Topic: [GROW] I-D Action:draft-ietf-grow-simple-va-02.txt
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Date: Thu, 17 Mar 2011 14:21:02 +0000
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Subject: Re: [GROW] I-D Action:draft-ietf-grow-simple-va-02.txt
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As requested by the authors, I have completed a review of this draft.

Generally, I would recommend that you reduce the amount of overlap and reused
text between the VA drafts. It's better to reference the other I-D for general
explanation of VA in general, and then use this draft to specifically cover what
is different in the implementation of Simple VA. 

Also, there are many places in this draft where normatives are used and not
capitalized. I won't list them all here, but you need to review this and either
reword if a normative is not intended or capitalize if it is.

With these changes, I believe that this draft is much closer to being ready for
WGLC.

Wes George


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Subject: [GROW] I-D Action:draft-ietf-grow-simple-va-02.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Global Routing Operations Working Group of the
IETF.


	Title           : Simple Virtual Aggregation (S-VA)
	Author(s)       : P. Francis, et al.
	Filename        : draft-ietf-grow-simple-va-02.txt
	Pages           : 11
	Date            : 2011-03-02

The continued growth in the Default Free Routing Table (DFRT) stresses the
global routing system in a number of ways.  One of the most costly stresses is
FIB size: ISPs often must upgrade router hardware simply because the FIB has run
out of space, and router vendors must design routers that have adequate FIB.
FIB suppression is an approach to relieving stress on the FIB by NOT loading
selected RIB entries into the FIB.  Simple Virtual Aggregation (S-VA) is a
simple form of Virtual Aggregation (VA) that allows any and all edge routers to
shrink their FIB requirements substantially and therefore increase their useful
lifetime.  S-VA does not change FIB requirements for core routers.  S-VA is
extremely easy to configure---considerably more so than the various tricks done
today to extend the life of edge routers.  S-VA can be deployed autonomously by
an ISP (cooperation between ISPs is not required), and can co-exist with legacy
routers in the ISP.  There are no changes from the 01 version to this version.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-grow-simple-va-02.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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Re: [GROW] I-D Action:draft-ietf-grow-simple-va-0… George, Wes E [NTK]

Re: [GROW] I-D Action:draft-ietf-grow-simple-va-02.txt

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