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IP Flow Information Accounting and Export Benchmarking Methodology (RFC6645)

IP.com Disclosure Number: IPCOM000219763D
Original Publication Date: 2012-Jul-01
Included in the Prior Art Database: 2012-Jul-11
Document File: 78 page(s) / 88K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Novak: AUTHOR


Monitoring IP flows (Flow monitoring) is defined in the "Architecture for IP Flow Information Export" [RFC5470] and related IPFIX documents specified in Section 1.2 of [RFC5470]. It analyzes the traffic using predefined fields from the packet header as keys and stores the traffic and other internal information in the DUT (Device Under Test) memory. This cached flow information is then formatted into records (see Section 2.1 for term definitions) and exported from the DUT to an external data collector for analysis. More details on the measurement architecture are provided in Section 3.3.

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Internet Engineering Task Force (IETF)                          J. Novak Request for Comments: 6645                           Cisco Systems, Inc. Category: Informational                                        July 2012 ISSN: 2070-1721

                    IP Flow Information Accounting and                     Export Benchmarking Methodology


   This document provides a methodology and framework for quantifying    the performance impact of the monitoring of IP flows on a network    device and the export of this information to a Collector.  It    identifies the rate at which the IP flows are created, expired, and    successfully exported as a new performance metric in combination with    traditional throughput.  The metric is only applicable to the devices    compliant with RFC 5470, "Architecture for IP Flow Information    Export".  The methodology quantifies the impact of the IP flow    monitoring process on the network equipment.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   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).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see 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/rfc6645.

Novak                         Informational                     [Page 1]
 RFC 6645              Flow Monitoring Benchmarking             July 2012

 Copyright Notice

   Copyright (c) 2012 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    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Novak                         Informational                     [Page 2]
 RFC 6645              Flow Monitoring Benchmarking             July 2012