O'Reilly logo

Cisco IOS™ 12.0 Quality of Service by Cisco Systems, Inc.

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Introduction: Quality of Service Overview

This chapter explains quality of service (QoS) and the service models that embody it. It also suggests benefits you can gain from implementing Cisco IOS QoS in your network. Then it trains a closer focus on the Cisco Internetwork Operating System (IOS) QoS features and the technologies that implement them.

What Is QoS?

QoS refers to the ability of a network to provide better service to selected network traffic over various underlying technologies, including Frame Relay, Asynchronous Transfer Mode (ATM), Ethernet and 802.1 networks, SONET, and IP-routed networks. In particular, QoS features provide better and more predictable network service by

  • Supporting dedicated bandwidth

  • Improving loss characteristics

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required