7. 10 GIGABIT ETHERNET TECHNOLOGY 802.3ae Architectural Components WWDM PDM 1310nm WWDM LAN PHY 8B/10B Serial LAN PHY 64B/66B Serial PMD 850nm Serial PMD 1310nm Serial PMD 1550nm Serial PMD 850nm Serial PMD 1310nm Serial PMD 1550nm Serial WAN PHY 64B/66B + WIS 10Gb Media Independent Interface (XGMII) or 10Gb Attachment Unit Interface (XAUI) Full Duplex 802.3 Media Access Control (MAC)
8. 10 GIGABIT ETHERNET TECHNOLOGY GIGABIT vs 10-GIGABIT ETHERNET Gigabit Ethernet 10-Gigabit Ethernet CSMA/CD + full duplex Full duplex only Leveraged Fibre Channel PMDs New optical PMDs Reused 8B/10B coding New coding schemes 64B/66B Optical/copper media Optical media only (copper in development) Support LAN to 5 km Support LAN to 40 km