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Bidirectional Flow Export Using IP Flow Information Export (IPFIX) (RFC5103)

IP.com Disclosure Number: IPCOM000167195D
Original Publication Date: 2008-Jan-01
Included in the Prior Art Database: 2008-Feb-02
Document File: 25 page(s) / 54K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Trammell: AUTHOR [+2]

Abstract

This document describes an efficient method for exporting bidirectional flow (Biflow) information using the IP Flow Information Export (IPFIX) protocol, representing each Biflow using a single Flow Record.

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Network Working Group                                        B. Trammell Request for Comments: 5103                                    CERT/NetSA Category: Standards Track                                      E. Boschi                                                           

Hitachi

Europe

                                                             January 2008

    Bidirectional Flow Export Using IP Flow Information Export (IPFIX)

Status of This Memo

   This document specifies an Internet standards track protocol for the    Internet community, and requests discussion and suggestions for    improvements.  Please refer to the current edition of the "Internet    Official Protocol Standards" (STD 1) for the standardization state    and status of this protocol.  Distribution of this memo is unlimited.

Abstract

   This document describes an efficient method for exporting    bidirectional flow (Biflow) information using the IP Flow Information    Export (IPFIX) protocol, representing each Biflow using a single Flow    Record.

 Trammell & Boschi           Standards Track                     [Page 1]
 RFC 5103                  IPFIX Biflow Export               January 2008

 Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3

     1.1.  IPFIX Documents Overview . . . . . . . . . . . . . . . . .  3

   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4

   3.  Rationale and History  . . . . . . . . . . . . . . . . . . . .  5

   4.  Biflow Semantics . . . . . . . . . . . . . . . . . . . . . . .  6

   5.  Direction Assignment . . . . . . . . . . . . . . . . . . . . .  8

     5.1.  Direction by Initiator . . . . . . . . . . . . . . . . . .  9

     5.2.  Direction by Perimeter . . . . . . . . . . . . . . . . . . 10

     5.3.  Arbitrary Direction  . . . . . . . . . . . . . . . . . . . 10

   6.  Record Representation  . . . . . . . . . . . . . . . . . . . . 11

     6.1.  Reverse Information Element Private Enterprise Number  . . 11

     6.2.  Enterprise-Specific Reverse Information Elements . . . . . 13

     6.3.  biflowDirection Information Element  . . . . . . . . . . . 13

   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 14

   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 15

   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 15

   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15

     10.1. Norma...