I-D ACTION:draft-quittek-ipfix-middlebox-00.txt

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	Title		: Guidelines for IPFIX Implementations on Middleboxes
	Author(s)	: J. Quittek
	Filename	: draft-quittek-ipfix-middlebox-00.txt
	Pages		: 11
	Date		: 2004-2-6
	
This memo gives recommendations for the implementation of IP Flow
   Information eXport (IPFIX) metering processes and IPFIX exporting
   processes on middleboxes, such as firewalls, network address
   translators, tunnel endpoints, packet classifiers, etc.  Middlebox
   functions potentially change properties of traffic flows passing the
   box, for example NATs change addresses in header fields and firewalls
   change the numbers of packets and bytes belonging to a traffic flow.
   An IPFIX implementation on a middlebox should reflect this by the way
   it selects and reports the observation point and by the way it
   measures and reports traffic flows.

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