Scripted HTML version of Foils prepared 5 July 97

Foil 10 Background on the Internet

From Overview of Basic Web and Internet Technologies Beijing Web Tutorial -- May 27-30 1997. by Geoffrey Fox *
The Internet is a loose federation of networks.
Cooperative organization - no administration, no fees. Protocols and standards are evolved through the IETF, Internet Engineering Task Force.
Most national and international networks are members: NSFNET, ESNET, ARPANET, BITNET
All these networks are packet switched systems based on TCP/IP. Together these protocols allow for communication over a wide variety of technologies. Machines called gateways connect the networks.
Standard domain name system - names are looked up by name server to obtain routing information.
  • symbolic names: npac.syr.edu
  • internet addresses: 128.230.7.2

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