I-D ACTION:draft-claise-netflow-9-01.txt

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	Title		: Cisco Systems NetFlow Services Export Version 9
	Author(s)	: B. Claise
	Filename	: draft-claise-netflow-9-01.txt
	Pages		: 27
	Date		: 2002-10-8
	
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 then 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, data mining for marketing purposes, etc. 
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 along with the description and 
structure) 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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