I-D ACTION:draft-claise-netflow-9-02.txt

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	Title		: Cisco Systems NetFlow Services Export Version 9
	Author(s)	: B. Claise
	Filename	: draft-claise-netflow-9-02.txt
	Pages		: 31
	Date		: 2003-6-11
	
This document discusses the Cisco Systems NetFlow services that 
provide network administrators with access to IP flows information. 
The NetFlow services create flow records that are exported to a 
NetFlow collector. The exported flow records can be used for a 
variety of purposes, including network management and planning, 
accounting, departmental chargebacks, Internet Service Provider 
(ISP) billing, data warehousing, and data mining for marketing 
purposes. 
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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