Internetworking with TCP/IP Volume One, 6th Edition

17 Packet Classification

Chapter Contents

1. 17.1 Introduction, 369

2. 17.2 Motivation For Classification, 370

3. 17.3 Classification Instead Of Demultiplexing, 371

4. 17.4 Layering When Classification Is Used, 372

5. 17.5 Classification Hardware And Network Switches, 372

6. 17.6 Switching Decisions And VLAN Tags, 374

7. 17.7 Classification Hardware, 375

8. 17.8 High-Speed Classification And TCAM, 375

9. 17.9 The Size Of A TCAM, 377

10. 17.10 Classification-Enabled Generalized Forwarding, 378

1. Summary, 379

17.1 Introduction

Earlier chapters describe traditional packet processing systems and explain two fundamental concepts. First, we saw how each layer of protocol software in a host or router uses a type field in a protocol header for demultiplexing. The type field ...