Browse Prior Art Database

Traffic Flow Measurement: Architecture (RFC2722)

IP.com Disclosure Number: IPCOM000003317D
Original Publication Date: 1999-Oct-01
Included in the Prior Art Database: 2000-Sep-13

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

N. Brownlee: AUTHOR [+3]

Abstract

This document provides a general framework for describing network traffic flows, presents an architecture for traffic flow measurement and reporting, discusses how this relates to an overall network traffic flow architecture and indicates how it can be used within the Internet.

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: 2722 The University of Auckland

Obsoletes: 2063 C. Mills

Category: Informational GTE Laboratories, Inc

G. Ruth

GTE Internetworking

October 1999

Traffic Flow Measurement: Architecture

Status of this Memo

This memo provides information for the Internet community. It does

not specify an Internet standard of any kind. Distribution of this

memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

Abstract

This document provides a general framework for describing network

traffic flows, presents an architecture for traffic flow measurement

and reporting, discusses how this relates to an overall network

traffic flow architecture and indicates how it can be used within the

Internet.

Table of Contents

1 Statement of Purpose and Scope 3

1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 3

2 Traffic Flow Measurement Architecture 5

2.1 Meters and Traffic Flows . . . . . . . . . . . . . . . . . 5

2.2 Interaction Between METER and METER READER . . . . . . . . 7

2.3 Interaction Between MANAGER and METER . . . . . . . . . . 7

2.4 Interaction Between MANAGER and METER READER . . . . . . . 8

2.5 Multiple METERs or METER READERs . . . . . . . . . . . . . 9

2.6 Interaction Between MANAGERs (MANAGER - MANAGER) . . . . . 10

2.7 METER READERs and APPLICATIONs . . . . . . . . . . . . . . 10

3 Traffic Flows and Reporting Granularity 10

3.1 Flows and their Attributes . . . . . . . . . . . . . . . . 10

3.2 Granularity of Flow Measurements . . . . . . . . . . . . . 13

3.3 Rolling Counters, Timestamps, Report-in-One-Bucket-Only . 15

4 Meters 17

4.1 Meter Structure . . . . . . . . . . . . . . . . . . . . . 17

4.2 Flow Table . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Packet Handling, Packet Matching . . . . . . . . . . . . . 20

4.4 Rules and Rule Sets . . . . . . . . . . . . . . . . . . . 23

4.5 Maintaining the Flow Table . . . . . . . . . . . . . . . . 28

4.6 Handling Increasing Traffic Levels . . . . . . . . . . . . 29

5 Meter Reader...