Preface

The IPQoS Administration Guide explains how to provide differentiated services on a network through use of the IPQoS feature in the Solaris™ operating environment. IPQoS enables you to provide different levels of service to network customers and to manage network traffic.

Who Should Use This Book

This module assumes that you are a very experienced system administrator with an extensive knowledge of TCP/IP concepts. You might be responsible for, or be familiar with, router administration for your network. You should also be familiar with your site's network topology and corporate policies on network usage, and, possibly, on network security.

How This Book Is Organized

The IPQoS Administration Guide contains the following chapters:

Chapter 1, Introducing IPQoS (Overview) provides basic information about the IPQoS feature and the diffserv architecture on which IPQoS is based.

Chapter 2, Planning for an IPQoS-Enabled Network (Tasks) contains tasks for planning the topology of an IPQoS-aware network. The chapter also contains planning tasks for creating a quality-of-service policy for a prospective IPQoS system.

Chapter 3, Creating the IPQoS Configuration File (Tasks) contains tasks for building an IPQoS configuration file that is based on the quality-of-service policy.

Chapter 4, Starting Up and Maintaining IPQoS (Tasks) contains tasks for maintaining and tracking IPQoS.

Chapter 5, Using Flow Accounting and Statistics Gathering (Tasks) contains tasks for configuring the IPQoS flow accounting and displaying IPQoS statistics with the kstat command.

Chapter 6, IPQoS in Depth (Reference) contains in-depth information about the IPQoS modules and the IPQoS configuration file.

Related Books

The following books discuss the differentiated services architecture:

• Ferguson, Paul and Geoff Huston. Quality of Service. John Wiley & Sons, Inc., 1998.

• Kilkki, Kalevi. Differentiated Services for the Internet. Macmillan Technical Publishing, 1999.

Accessing Sun Documentation Online

The docs.sun.com^SM Web site enables you to access Sun technical documentation online. You can browse the docs.sun.com archive or search for a specific book title or subject. The URL is http://docs.sun.com.

Typographic Conventions

The following table describes the typographic changes used in this book.

Table P–1 Typographic Conventions

Typeface or Symbol	Meaning	Example
AaBbCc123	The names of commands, files, and directories; on-screen computer output	Edit your .login file. Use ls -a to list all files. machine_name% you have mail.
AaBbCc123	What you type, contrasted with on-screen computer output	machine_name% su Password:
AaBbCc123	Command-line placeholder: replace with a real name or value	To delete a file, type rm filename.
AaBbCc123	Book titles, new words, or terms, or words to be emphasized	Read Chapter 6 in User's Guide. These are called class options. You must be root to do this.

Shell Prompts in Command Examples

The following table shows the default system prompt and superuser prompt for the C shell, Bourne shell, and Korn shell.

Table P–2 Shell Prompts

Shell	Prompt
C shell prompt	machine_name%
C shell superuser prompt	machine_name#
Bourne shell and Korn shell prompt	$
Bourne shell and Korn shell superuser prompt	#