A New Internet-Draft is available from the on-line Internet-Drafts directories.
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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