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Packet Sampling (PSAMP) Protocol Specifications
RFC 5476

Document type: RFC - Proposed Standard (March 2009; Errata)
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Consensus: Unknown
Document shepherd: No shepherd assigned

IESG State: RFC 5476 (Proposed Standard)
Responsible AD: Dan Romascanu
Send notices to: psamp-chairs@tools.ietf.org; bclaise@cisco.com

Network Working Group                                     B. Claise, Ed.
Request for Comments: 5476                                    A. Johnson
Category: Standards Track                            Cisco Systems, Inc.
                                                              J. Quittek
                                                         NEC Europe Ltd.
                                                              March 2009

            Packet Sampling (PSAMP) Protocol Specifications

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.

Copyright Notice

   Copyright (c) 2009 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents in effect on the date of
   publication of this document (http://trustee.ietf.org/license-info).
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Claise, et al.              Standards Track                     [Page 1]
RFC 5476              PSAMP Protocol Specification            March 2009

Abstract

   This document specifies the export of packet information from a
   Packet SAMPling (PSAMP) Exporting Process to a PSAMP Collecting
   Process.  For export of packet information, the IP Flow Information
   eXport (IPFIX) protocol is used, as both the IPFIX and PSAMP
   architecture match very well, and the means provided by the IPFIX
   protocol are sufficient.  The document specifies in detail how the
   IPFIX protocol is used for PSAMP export of packet information.

Table of Contents

   1. Introduction ....................................................3
      1.1. Conventions Used in This Document ..........................3
   2. PSAMP Documents Overview ........................................4
   3. Terminology .....................................................4
      3.1. IPFIX Terminology ..........................................4
      3.2. PSAMP Terminology ..........................................5
           3.2.1. Packet Streams and Packet Content ...................5
           3.2.2. Selection Process ...................................6
           3.2.3. Reporting ...........................................7
           3.2.4. Metering Process ....................................8
           3.2.5. Exporting Process ...................................8
           3.2.6. PSAMP Device ........................................8
           3.2.7. Collector ...........................................8
           3.2.8. Selection Methods ...................................9
      3.3. IPFIX and PSAMP Terminology Comparison ....................11
           3.3.1. IPFIX and PSAMP Processes ..........................11
           3.3.2. Packet Report, Packet Interpretation, and
                  Data Record ........................................12
   4. Differences between PSAMP and IPFIX ............................12
      4.1. Architecture Point of View ................................12
      4.2. Protocol Point of View ....................................14
      4.3. Information Model Point of View ...........................14
   5. PSAMP Requirements versus the IPFIX Solution ...................14
      5.1. High-Level View of the Integration ........................15
   6. Using the IPFIX Protocol for PSAMP .............................16
      6.1. Selector ID ...............................................17
      6.2. The Selection Sequence ID .................................17
      6.3. The Exporting Process .....................................17
      6.4. Packet Report .............................................17
           6.4.1. Basic Packet Report ................................17

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