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Traffic Flow Measurement: Architecture (RFC2063)

IP.com Disclosure Number: IPCOM000002614D
Original Publication Date: 1997-Jan-01
Included in the Prior Art Database: 2019-Feb-16
Document File: 37 page(s) / 53K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

N. Brownlee: AUTHOR [+2]

Related Documents

10.17487/RFC2063: DOI

Abstract

This document describes an architecture for the measurement and reporting of network traffic flows, discusses how this relates to an overall network traffic flow architecture, and describes how it can be used within the Internet. This memo defines an Experimental Protocol for the Internet community.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group N. Brownlee Request for Comments: 2063 The University of Auckland Category: Experimental C. Mills BBN Systems and Technologies G. Ruth GTE Laboratories, Inc. January 1997

Traffic Flow Measurement: Architecture

Status of this Memo

This memo defines an Experimental Protocol for the Internet community. This memo does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested. Distribution of this memo is unlimited.

Abstract

This document describes an architecture for the measurement and reporting of network traffic flows, discusses how this relates to an overall network traffic flow architecture, and describes how it can be used within the Internet. It is intended to provide a starting point for the Realtime Traffic Flow Measurement Working Group.

Table of Contents

1 Statement of Purpose and Scope 2 2 Traffic Flow Measurement Architecture 4 2.1 Meters and Traffic Flows . . . . . . . . . . . . . . . . . . 4 2.2 Interaction Between METER and METER READER . . . . . . . . . 6 2.3 Interaction Between MANAGER and METER . . . . . . . . . . . 6 2.4 Interaction Between MANAGER and METER READER . . . . . . . . 7 2.5 Multiple METERs or METER READERs . . . . . . . . . . . . . . 7 2.6 Interaction Between MANAGERs (MANAGER - MANAGER) . . . . . . 8 2.7 METER READERs and APPLICATIONs . . . . . . . . . . . . . . . 8 3 Traffic Flows and Reporting Granularity 9 3.1 Flows and their Attributes . . . . . . . . . . . . . . . . . 9 3.2 Granularity of Flow Measurements . . . . . . . . . . . . . . 11 3.3 Rolling Counters, Timestamps, Report-in-One-Bucket-Only . . 13 4 Meters 15 4.1 Meter Structure . . . . . . . . . . . . . . . . . . . . . . 15 4.2 Flow Table . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.3 Packet Handling, Packet Matching . . . . . . . . . . . . . . 17 4.4 Rules and Rule Sets . . . . . . . . . . . . . . . . . . . . 21 4.5 Maintaining the Flow Table . . . . . . . . . . . . . . . . . 24 4.6 Handling Increasing Traffic Levels . . . . . . . . . . . . . 25

Brownlee, et. al. Experimental [Page 1]

RFC 2063 Traffic Flow Measurement: Architecture January 1997

5 Meter Readers 26 5.1 Identifying Flows in Flow Records . . . . . . . . . . . . . 26 5.2 Usage Records, Flow Data Files . . . . . . . . . . . . . . . 27 5.3 Meter to Meter Reader: Usage Record Transmission. . . . . . 27 6 Managers 28 6.1 Between Manager and Meter: Control Functions . . . . . . . 28 6.2 Between Manager and Meter Reader: Control Functions . . . 29 6.3 Exception Conditions . . . . . . . . . . . . . . . . . . . . 31 6.4 Standard Rule Sets . . . . . . . . . . . . . . . . . . . . 32 7 APPENDICES 33 7.1 Appendix A: Network Characterisation . . . . . . . . . . . . 33 7.2 Appendix B: Recommended Traffic Flow Measurement Capabilities 34 7.3 Appendix C: List of Defined Flow Attributes . . . . . . . . 35 7.4 Appendix D: List of Meter Control Variables . . . . . . . . 36 8 Acknowledgments 36 9 References 37 10 Security Considerati...

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