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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: 2000-Sep-13
Document File: 31 page(s) / 83K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

N. Brownlee: AUTHOR [+3]

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.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 3% 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

5 Meter Readers 26

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