HELP! * GREY=local LOCAL HTML version of Foils prepared 31 January97

Foil 17 Case study: Ethernet

From Introduction To Multimedia Internet Systems CPS640 MultiMedia and WWW -- Spring 97 Semester. by Marek Podgorny * See also color IMAGE
Bus topology, connectionless, baseband, packet switching
CSMA-CD (Carrier Sense Multiple Access - Collision Detection) principle - contention protocol
  • Only one station can send at any given time
  • Automatic signal detect (remember baseband?)
  • Attached stations send at randomized intervals
Fixed-length frames (1516 bytes)
Very unpredictable. CSMA-CD leads to exponential saturation.

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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Page produced by wwwfoil on Wed Feb 19 1997