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

Foil 11 Layering - an example

From Introduction To Multimedia Internet Systems CPS640 MultiMedia and WWW -- Spring 97 Semester. by Marek Podgorny * See also color IMAGE
Secretary-assisted phone conversation
  • Need phone set with right connectors and internal electronics. This is layer 1 - physical/electrical
  • Need microphone (voice to electrical signal) and forwarding mechanism to pass voice generated electrical signal end to end. This is layer 2 - link
  • Need keypad/rotary and a way to setup connection. This is layer 3 - network

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

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Page produced by wwwfoil on Wed Feb 19 1997