Gigabit Ethernet – A Brief History Group 1 Harsh Sopory Kaushik Narayanan Nafeez Bin Taher

Topics to be discussed What is Ethernet? What is Ethernet? Gigabit Ethernet Gigabit Ethernet IEEE Gigabit Ethernet Specifications IEEE Gigabit Ethernet Specifications Benefits of Gigabit Ethernet Benefits of Gigabit Ethernet Project Aims Project Aims Immediate Goals Immediate Goals Research Goals Research Goals

What Is Ethernet? Most successful LAN technology Most successful LAN technology Operates at the Data Link Layer (layer 2) of the OSI reference model Operates at the Data Link Layer (layer 2) of the OSI reference model Acts as an interface between the MAC layer and transceivers in Ethernet hardware (Physical layer) Acts as an interface between the MAC layer and transceivers in Ethernet hardware (Physical layer) Uses contention based medium access protocol – CSMA/CD Uses contention based medium access protocol – CSMA/CD

Gigabit Ethernet Builds on top of the Ethernet protocol Builds on top of the Ethernet protocol Allows data transfer speeds of 1000 Mbps Allows data transfer speeds of 1000 Mbps Provides reliable communication between applications of the Network and Transport layers Provides reliable communication between applications of the Network and Transport layers

IEEE Gigabit Ethernet Specifications 802.3z 1000BASE-CX (short- haul copper) 1000BASE-CX (short- haul copper) 1000BASE-LX (long- wavelength optics) 1000BASE-LX (long- wavelength optics) 1000BASE-SX (short- wavelength optics) 1000BASE-SX (short- wavelength optics) 802.3ab 1000BASE-T (twisted pair) 1000BASE-LH (long- haul)

Benefits of Gigabit Ethernet Higher data transfer rates Higher data transfer rates Builds on current Ethernet Builds on current Ethernet Familiar technology Familiar technology Minimal staff training Minimal staff training

Project Aim Main Issue: Costs associated with opto- electronic module Main Issue: Costs associated with opto- electronic module Project Aim: Cheaper module Project Aim: Cheaper module Potential Area for Improvement: Alignment Tolerance Potential Area for Improvement: Alignment Tolerance

Immediate Goals Set up test bed for future use Set up test bed for future use Test module on evaluation board to confirm Gigabit transfer rates Test module on evaluation board to confirm Gigabit transfer rates Test module with Gigabit Ethernet card to confirm successful data transfer Test module with Gigabit Ethernet card to confirm successful data transfer

Research Goals Widespread deployment of Gigabit Ethernet to homes and residential areas Widespread deployment of Gigabit Ethernet to homes and residential areas Potential for developing other services like Video Conferencing Potential for developing other services like Video Conferencing