Flow Selection Techniques
RFC 7014
Internet Engineering Task Force (IETF) S. D'Antonio
Request for Comments: 7014 Univ. of Napoli "Parthenope"
Category: Standards Track T. Zseby
ISSN: 2070-1721 CAIDA/FhG FOKUS
C. Henke
Tektronix Communications Berlin
L. Peluso
University of Napoli
September 2013
Flow Selection Techniques
Abstract
The Intermediate Flow Selection Process is the process of selecting a
subset of Flows from all observed Flows. The Intermediate Flow
Selection Process may be located at an IP Flow Information Export
(IPFIX) Exporter or Collector, or within an IPFIX Mediator. It
reduces the effort of post-processing Flow data and transferring Flow
Records. This document describes motivations for using the
Intermediate Flow Selection process and presents Intermediate Flow
Selection techniques. It provides an information model for
configuring Intermediate Flow Selection Process techniques and
discusses what information about an Intermediate Flow Selection
Process should be exported.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc7014.
D'Antonio, et al. Standards Track [Page 1]
RFC 7014 Flow Selection Techniques September 2013
Copyright Notice
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D'Antonio, et al. Standards Track [Page 2]
RFC 7014 Flow Selection Techniques September 2013
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 4
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Difference between Intermediate Flow Selection Process and
Packet Selection . . . . . . . . . . . . . . . . . . . . . . . 7
4. Difference between Intermediate Flow Selection Process and
Intermediate Selection Process . . . . . . . . . . . . . . . . 9
5. Intermediate Flow Selection Process within the IPFIX
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1. Intermediate Flow Selection Process in the Metering
Process . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2. Intermediate Flow Selection Process in the Exporting
Process . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3. Intermediate Flow Selection Process as a Function of
the IPFIX Mediator . . . . . . . . . . . . . . . . . . . . 11
6. Intermediate Flow Selection Process Techniques . . . . . . . . 12
6.1. Flow Filtering . . . . . . . . . . . . . . . . . . . . . . 12
6.1.1. Property Match Filtering . . . . . . . . . . . . . . . 12
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