RE: WG Last Call : draft-ietf-tewg-measure-04.txt

["Ash, Gerald R (Jerry), ALABS" <gash@att.com>]

Jim,

The draft is on-target and satisfies this important TEM charter-milestone.  

I've reviewed it numerous times, and all my comments to the authors have been incorporated.  The latest update/comments from Merike further strengthen the draft.

I hope others read and comment, as many said they would at the TEWG meeting in Atlanta,

Thanks,
Jerry

-----Original Message-----
From: Jim Boyle [mailto:jboyle@pdnets.com]
Sent: Saturday, January 18, 2003 10:40 PM
To: te-wg@ops.ietf.org
Subject: WG Last Call : draft-ietf-tewg-measure-04.txt

This draft has definitely honed itself to its purpose from its earliest 
versions.  However it never appears to get wide comment or show of hands 
of folks that have reviewed it. 

So... Please do so.

I'll give us 3 weeks for folks to comment along these lines.

1) is this draft on-target for the TE measurements milestone we have in 
   our charter?  If you think it is off-target I would be interested 
   in hearing how we should deal with this portion of our charter.

2) minor / editorial comments to list and/or author

3) substantial comments to list

Last call will end February 7.

thanks!

Jim Boyle












On Fri, 10 Jan 2003 Internet-Drafts@ietf.org wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Internet Traffic Engineering Working Group of the IETF.
> 
> 	Title		: A Framework for Internet Traffic Engineering 
>                           Measurement
> 	Author(s)	: W. Lai, R. Tibbs, S. Van den Berghe
> 	Filename	: draft-ietf-tewg-measure-04.txt
> 	Pages		: 26
> 	Date		: 2003-1-10
> 	
> In this document, a measurement framework for supporting the traffic 
> engineering of IP-based networks is presented.  Uses of traffic 
> measurement in service provider environments are described, and 
> issues related to time scale and read-out period are discussed.  
> Different measurement types are classified, with each being 
> specified as a meaningful combination of a measurement entity and a 
> measurement basis. 
> For interoperable compatibility, uniform definitions across vendors 
> and operators must be ensured, e.g., in the distinction between 
> offered load and achieved throughput.  To aid network dimensioning, 
> mechanisms to collect node-pair-based traffic data should be 
> developed to facilitate the derivation of per-service-class traffic 
> matrix statistics.  For service assurance, there is a need for the 
> use of higher-order statistics.  To preserve representative traffic 
> detail at manageable sample volumes, there is a need for packet-
> sampled measurements.  To manage large volume of measured data, use 
> of bulk transfer and filtering/aggregation mechanisms may be 
> appropriate.
> 
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