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I-D ACTION:draft-claise-netflow-9-04.txt



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	Title		: Cisco Systems NetFlow Services Export Version 9
	Author(s)	: B. Claise
	Filename	: draft-claise-netflow-9-04.txt
	Pages		: 26
	Date		: 2003-10-3
	
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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