introduction to the gigabit ethernet
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Rivier College, CS699 Professional Seminar Introduction to the Gigabit-Ethernet by Yun Qi Source : http://www.mcinfo.com What is Gigabit Ethernet Gigabit Ethernet is an extension to the 10 and 100 Mbps IEEE 802.3 standards.

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what is gigabit ethernet
What is Gigabit Ethernet
  • Gigabit Ethernet is an extension to the 10 and 100 Mbps IEEE 802.3 standards.
  • Gigabit Ethernet is a connectionless protocol that each Ethernet frame contains a destination address, and is routed through the network.
gigabit ethernet system layers
Gigabit Ethernet System Layers
  • Physical Layer

- 1000Base-X

- 1000Base-T

  • MAC Layer

- Carrier Extension

- Packet Bursting

gigabit media independent interface gmii
Gigabit Media Independent Interface (GMII)

Gigabit Ethernet Protocol Architecture

gmii continued
GMII (continued)
  • The GMII is divided into three sublayers:

- PCS (Physical Coding Sublayer)

- PMA (Physical Medium Attachment)

- PMD (Physical Medium Dependent)

gigabit ethernet migration
Gigabit Ethernet Migration

Gigabit Ethernet LAN

topologies
Topologies
  • Upgrading server-switch connection.
  • Upgrading switch-switch connection.
  • Upgrading a fast Ethernet backbone.
  • Upgrading a shared FDDI backbone.
  • Upgrading high performance workstations.
summary
Summary
  • Advantages

- Gigabit Ethernet provides high speed server access.

  • Disadvantages

- Gigabit Ethernet lacks the ability to control QoS at the hardware level.

- Gigabit Ethernet experiences inherent redundancy.

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