A Guide to Ethernet Switch and PHY Chips
Sixth Edition
     
Table of Contents
       
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List of Figures
ix
List of Tables
xi
About the Authors
xiii
About the Publisher
xv
Preface
xvii
Executive Summary
xix
 
 
Chapter 1. Networks and Equipment
1
     What Is a LAN?
1
     Evolution of Ethernet LANs
2
     Cable Plants
3
     Ethernet Clients
4
     Data Centers 
4
     Carrier Networks
5
     Ethernet Equipment 
8
          SMB Switches
8
          Desktop Switches
9
          Top-of-Rack Switches
9
          Modular LAN Switches
10
          Carrier Ethernet Switch/Routers
10
          Wireline-Access Equipment
10
Chapter 2. Ethernet Technology
12
     Network Layers and IEEE 802 Standards
12
     Link Layers
14
     Carrier Ethernet
18
     Ethernet Physical Layers
24
     Physical-Layer Interfaces
30
     Optical Modules
31
     Related Protocols
32
     System Interfaces
35
Chapter 3.  High-Speed Design Issues
37
     Signal Integrity
37
     PCB and Connectors
40
     Signal Conditioning
41
     Clock and Data Recovery
43
     Semiconductor Technologies
45
Chapter 4.  Gigabit and 10G Ethernet Chips
47
      Switch Chips
47
          Common Characteristics
47
          Performance
50
          System Design
51
          Software Considerations
52
      GbE-over-Copper PHYs
52
          Common Characteristics
52
      10Gbps Ethernet PHYs
53
          Optical-Module Architecture
54
          Optical PHY Architecture and Common Characteristics
55
          Copper PHY Architecture and Common Characteristics
56
          Interoperability and Compliance
57
          Performance
58
Chapter 5.  Trends and Market Outlook
61
      Technology Trends
62
          Switch Chips
62
          10GBase-T PHY Chips
64
          10G Optical-PHY Chips
65
      Emerging Technologies
66
          Data-Center Technologies
66
          Carrier Ethernet
68
          Physical-Layer Developments
68
      Market Trends
69
          Data Center
69
          Blade Servers
70
          Ethernet Backplanes for Embedded Applications
71
          GbE Adoption
71
          10GbE Adoption
72
          Copper vs. Fiber
73
          Merchant Switch Chips
75
      Market Size and Outlook
76
      Market Share
77
Chapter 6.  Broadcom
79
      Company Background
79
      Enterprise Switch Chips
80
          LAN Switch Chips
80
          Data-Center Switch Chips
82
          System Design
83
      SMB Switch Chips
85
      Core Switch Chips
87
      10Gbps PHYs
89
          Optical Transceivers
89
          Backplane KR Transceivers
91
          Copper Transceivers
91
      Conclusions
92
Chapter 7.  Marvell
95
      Company Background
95
      Switch Chips
96
          Enterprise Switch Chips
96
          Data-Center Switch Chips
98
          SOHO Switch Chips
99
          System Design
100
      Product Roadmap
102
      Conclusions
102
Chapter 8.  Realtek
103
      Company Background
103
      Switch Chips
103
      Conclusions
105
Chapter 9.  Vitesse
107
      Company Background
107
      Switch Chips
108
          Key Features and Performance
108
          Design Details
110
      10Gbps PHYs
111
      Product Roadmap
113
      Conclusions
113
Chapter 10.  Other Switch Vendors
115
      Centec
115
           Company Background
115
           Key Features and Performance
116
           Conclusions
118
      Dune Networks
118
           Company Background
118
           Key Features and Performance
119
           Conclusions
121
      Ethernity
122
           Company Background
122
           Key Features and Performance
123
           Design Details
125
           Conclusions
127
      Fujitsu Microelectronics
127
           Company Background
127
           Key Features and Performance
128
           Conclusions
129
      Fulcrum
129
           Company Background
129
           Key Features and Performance
130
           Design Details
132
           Product Roadmap
134
           Conclusions
134
      Tpack
135
           Company Background
135
           Key Features and Performance
135
           Product Roadmap
137
           Conclusions
138
      Xelerated
139
           Company Background
139
           Key Features and Performance
139
           Internal Architecture
141
           System Design
142
           Conclusions
143
Chapter 11.  10Gbps PHY Vendors
145
      AppliedMicro
145
           Company Background
145
           Key Features and Performance
146
           Conclusions
148
      Aquantia
149
           Company Background
149
           Key Features and Performance
150
           Conclusions
151
      ClariPhy
152
      Cortina
153
           Company Background
153
           Key Features and Performance
154
           Conclusions
155
      Inphi
155
      NetLogic
156
           Company Background
156
           Key Features and Performance
156
           Conclusions
160
      Phyworks
161
      Plato Networks
162
      Solarflare
164
           Company Background
164
           Key Features and Performance
165
           Conclusions
167
      Teranetics
167
           Company Background
167
           Key Features and Performance
168
           Conclusions
169
Chapter 12.  Switch and PHY Comparisons
171
      Comparing GbE and 10GbE Switch Chips
171
           10GbE Switch Chips
171
           GbE Switch Chips with 10GbE Uplinks
173
           GbE Smart-Switch Chips
175
           Carrier-Ethernet Switch Chips
178
           Fabric Chips
182
      Comparing 10Gbps PHYs
183
           Optical Transceivers
183
           10GBase-KR Transceivers
185
           10GBase-T Copper PHYs
186
      Conclusions
187
Chapter 13.  Conclusions
189
      Market Directions
189
      GbE Vendor Outlook
191
      Carrier Ethernet Switch Vendor Outlook
192
      Emerging 10GbE Switch and Fabric Vendors
192
      10GbE PHY Vendors
194
      Closing Thoughts
195

Appendix: Further Reading

197
Index
199

 

       
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