I-D ACTION:draft-ietf-tewg-measure-05.txt

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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-05.txt
	Pages		: 28
	Date		: 2003-2-14
	
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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