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I-D ACTION:draft-claise-netflow-9-07.txt



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	Title		: Cisco Systems NetFlow Services Export Version 9
	Author(s)	: B. Claise
	Filename	: draft-claise-netflow-9-07.txt
	Pages		: 27
	Date		: 2004-1-6
	
This document specifies the implementation details of the latest
version of the Cisco Systems NetFlow services export format, also known
as the NetFlow version 9 format. This format provides network
administrators with access to IP flows information in a flexible and
extensible way. The distinguishing feature of this new NetFlow services
export format, compared with previous formats, is that it is template
based. The template is a collection of fields, with corresponding
descriptions of their structures and their semantics.  This document
focuses on the most recent evolution of the NetFlow flow record export
format, which is known as version 9. The distinguishing feature of the
NetFlow version 9 export format, compared with previous formats, is
that it is template based. The templates (collections of fields with
the corresponding description of their structures and their semantics)
provide a flexible and extensible design to the flow record export
format. This facilitates future enhancements to NetFlow services
without requiring changes to the basic flow record export format.
Another advantage is that only the required fields are exported within
the flow record, which minimizes the consumed export bandwidth.

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