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Version 5.13.0, 2015-03-25
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Reporting Unobserved Fields in IPFIX

Document type: Expired Internet-Draft (individual)
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Last updated: 2015-01-05 (latest revision 2014-07-04)
Intended RFC status: Unknown
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IESG State: Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


The IPFIX protocol is designed to export information about observations, and lacks a method for reporting that observations are unavailable. This document discusses several methods for reporting when fields are unavailable, reviews the advantages and disadvantage of each, and recommends methods which should be used.


Paul Aitken <>

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)