A Guide to Ethernet Switch and PHY Chips, Fourth Edition Table of ContentsReturn to
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Preface xviiExecutive Summary xixChapter 1. Enterprise Networking 1What Is a LAN? 1Evolution of Ethernet LANs 1Cable Plants 3Ethernet Clients 3Ethernet Switches 4SMB Switches 4Desktop Switches 4Modular Switches 5Data Centers 5Chapter 2. Ethernet Technology 9Network Layers and IEEE 802 Standards 9Link Layers 11Ethernet Physical Layers 13Fast Ethernet 14Gigabit Ethernet 1410GbE Optical 1510GBase-LRM 1510GBase-CX4 1610GBase-T 16Backplane Ethernet Standards 17Physical-Layer Interfaces 17Optical Modules 18Related Protocols 20Spanning Tree and VLANs 20Link Aggregation 21Authentication 21QoS and DiffServ 22IP Routing and Multicast 22Network Management 23Power over Ethernet 24System Interfaces 24PCI 25PCI-X 25PCI-Express 25Chapter 3. High-Speed Design Issues 27Signal Integrity 27Crosstalk and EMI 28Channel Effects: ISI and Reflections 28Impairments on Fiber 29Jitter 30PCB and Connectors 30Signal Conditioning 31Coding 31Equalization 32Clock and Data Recovery 33Semiconductor Technologies 34Chapter 4. Gigabit and 10G Ethernet Chips 37Switch Chips 37Common Characteristics 37Performance 39System Design 40Software Considerations 40GbE-over-Copper PHYs 41Common Characteristics 41Performance 4210Gbps Ethernet PHYs 43Optical Module Architecture 43Optical PHY Architecture and Common Characteristics 44Copper PHY Architecture and Common Characteristics 45Performance 47Chapter 5. Trends and Market Outlook 49Technology Trends 49Switch Chips 49GbE PHY Chips 5110GBase-T PHY Chips 5110G Optical PHY Chips 52Emerging Technologies 53Market Trends 54Blade Servers 54Ethernet Backplanes for Embedded Applications 55GbE Adoption 5510GbE Adoption 56Copper vs. Fiber 57Merchant Switch Chips 58Fabric Convergence 59Market Size and Outlook 59Market Share 60Chapter 6. Broadcom 63Company Background 63Enterprise Switch Chips 64Key Features 64System Design 66SMB Switch Chips 6810G PHYs 70Optical Transceivers 70Backplane KR Transceivers 71Power over Ethernet 71GbE-over-Copper PHYs 72Conclusions 74Chapter 7. LSI 77Company Background 77GbE Switch Chips 78GbE-over-Copper PHYs 80Conclusions 81Chapter 8. Marvell 83Company Background 83GbE Switch Chips 84Key Features 84System Design 86GbE-over-Copper PHYs 86Product Roadmap 88Conclusions 89Chapter 9. Realtek 91Company Background 91GbE Switch Chips 91GbE-over-Copper PHYs 92Conclusions 93Chapter 10. Vitesse 95Company Background 95GbE Switch Chips 96Key Features 96System Design 98GbE-over-Copper PHYs 9910G PHYs 100Product Roadmap 101Conclusions 102Chapter 11. Other Switch Vendors 105Dune 105Company Background 105Product Overview 106Conclusions 107Fujitsu 108Company Background 108Product Overview 108Conclusions 110Fulcrum 110Company Background 110Product Overview 111Product Roadmap 112Conclusions 112Greenfield 113SwitchCore 114Company Background 114Product Overview 115Conclusions 116Other Vendors 117Chapter 12. 10Gbps PHY Vendors 119Aeluros 120Company Background 120Product Overview 120Product Roadmap 123Conclusions 123AMCC 123Company Background 123Product Overview 124Conclusions 127ClariPhy 127Phyworks 128Scintera 129Company Background 129Product Overview 129Conclusions 130Solarflare 130Company Background 130Product Overview 131Conclusions 132Teranetics 133Company Background 133Product Overview 133Conclusions 134Other Vendors 135Chapter 13. Power over Ethernet 137Technology Overview 137What is a Power Controller for PSE? 140What is a Power Controller for PD? 141Power-Controller Products 142Microsemi 142Broadcom 143Texas Instruments 144Linear Technology 144Maxim 145Akros 146Silicon Labs 146Other Vendors 147Conclusions 147Chapter 14. Switch and PHY Comparisons 149Comparing GbE and 10GbE Switch Chips 14910GbE Switch Chips 149GbE Switch Chips with 10GbE Uplinks 151GbE Smart-Switch Chips 153Comparing GbE PHYs 156Quad-and Octal-Port GbE PHYs 156Single-Port GbE PHYs 158Comparing 10Gbps PHYs 15910Gbps SR Optical Transceivers 15910Gbps EDC PHYs 16110GBase-KR Transceivers 16210GBase-T Copper PHYs 163Conclusions 163Chapter 15. Conclusions 167Market Directions 167Vendor Outlook 168Appendix: Further Reading
173Index 175List of Figures List of Tables
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