Gigabit Ethernet


Vijay Moorthy, Ohio State University
Ethernet is the world's most pervasive networking technology. Gigabit Ethernet is the latest version of Ethernet. It offers 1000 Mbps ( 1 Gbps ) raw bandwidth, that is 100 times faster than the original Ethernet, yet is compatible with existing Ethernets, as it uses the same CSMA/CD and MAC protocols. When Gigabit Ethernet enters the market it will compete directly with ATM. This paper presents a survey of Gigabit Ethernet technology.
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Table of Contents

  1. Introduction

    1.1 History of Ethernet
    1.2 Gigabit Ethernet Alliance

  2. Physical Layer

    2.1 1000Base-X
    2.2 1000Base-T

  3. MAC Layer

    3.1 Carrier Extension
    3.2 Packet Bursting

  4. GMII ( Gigabit Media Independent Interface )

    4.1 PCS (Physical Coding Sublayer)
    4.2 PMA (Physical Medium Attachment)
    4.3 PMD (Physical Medium Dependent)

  5. Buffered Distributor
  6. Topologies

    6.1 Upgrading server-switch connections
    6.2 Upgrading switch-switch connections
    6.3 Upgrading a Fast Ethernet backbone
    6.4 Upgrading a Shared FDDI Backbone
    6.5 Upgrading High Performance Workstations

  7. ATM vs. Gigabit Ethernet
  8. Summary
  9. Bibliography and Links
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See also Gigabit Ethernet

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