Chapter 2. Quality of Service (QoS) Provision: An Overview

Introduction

The increasing diversity of networked applications makes the provision of an appropriate level of QoS a critical issue for the future of the Internet. The major portion of this book addresses how the end-system and DiffServ-offering network can cooperate in a positive way. The DiffServ concept is gaining in popularity as a simple and scalable service differentiation method because it does not require per-flow state management at the network nodes in the core network. The recent development of the Internet’s DiffServ model was an attempt to support service differentiation for aggregated traffic in a scalable manner. We can consider a variety of global Internet configurations ...

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