Ethernet_ The Definitive Guide

Preface xi
I. Introduction to Ethernet 1
1. The Evolution of Ethernet 3
History of Ethernet 3
The Latest Ethernet Standard 8
Organization of IEEE Standards 10
Levels of Compliance 13
IEEE Identifiers 15
Reinventing Ethernet 19
Multi-Gigabit Ethernet 22
2. The Ethernet System 23

Four Basic Elements of Ethernet 24
Ethernet Hardware 29
Network Protocols and Ethernet 34
3. The Media Access Control Protocol 39
The Ethernet Frame 40
Media Access Control Rules 47
Essential Media System Timing 50
Collision Detection and Backoff 53
Gigabit Ethernet Half-Duplex Operation 60
Collision Domain 65
Ethernet Channel Capture 67
High-level Protocols and the Ethernet Frame 70
Page vi
4. Full-Duplex Ethernet 76
Operation of Full-Duplex 77
Ethernet Flow Control 82
5. Auto-Negotiation 85
Development of Auto-Negotiation 85
Basic Concepts of Auto-Negotiation 86
Auto-Negotiation Signaling 87
Auto-Negotiation Operation 90

Parallel Detection 94
Management Interface 96
1000BASE-X Auto-Negotiation 96
II. Ethernet Media Systems 99
6. Ethernet Media Fundamentals 101
Attachment Unit Interface 102
Medium-Independent Interface 108
Gigabit Medium-Independent Interface 114
Ethernet Signal Encoding 117
Ethernet Network Interface Card 122
7. Twisted-Pair Media System (10BASE-T) 125
10BASE-T Signaling Components 125
10BASE-T Media Components 128
10BASE-T Configuration Guidelines 132
8. Fiber Optic Media System 134
Old and New Fiber Link Segments 134
10BASE-FL Signaling Components 136
10BASE-FL Media Components 137
Connecting a Station to 10BASE-FL Ethernet 139
10BASE-FL Configuration Guidelines 140
9. Fast Ethernet Twisted-Pair Media System (100BASE-TX) 142
100BASE-TX Signaling Components 142