NELUG meeting 15/3/2000
Horst Kausch
v0.1 2000-03-15

Overview

The desktop/graphical user interface experienced by the user consists of several layers.

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NELUG meeting 16/2/2000
Richard Mortimer

Overview

• Internet connects millions of machines around the world.
• Allows machines to find/talk to each other.
• No one machine knows the whole of the network (knowledge is distributed).
• Supports the “languages” (protocols) that various applications use to talk to each other – done in layers.
• Example:
  

  applications
  protocol layer – http, ftp, nfs
  tcp		udp
  ip			icmp
  Hardware layer (ethernet, token ring, ppp)

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