What Is the Internet?
–A network of networks, joining many government, university and private computers together and providing an infrastructure for the use of E-mail, bulletin boards, file archives, hypertext documents, databases and other computational resources
–The vast collection of computer networks which form and act as a single huge network for transport of data and messages across distances which can be anywhere from the same office to anywhere in the world.
What is the Internet?
The largest network of networks in the world.
Uses TCP/IP protocols and packet switching.
Runs on any communications substrate.
Brief History of the Internet
–1968 - DARPA (Defense Advanced Research Projects Agency) contracts with BBN (Bolt, Beranek & Newman) to create ARPAnet
–1970 - First five nodes:
–UCLA
–Stanford
–UC Santa Barbara
–U of Utah, and
–BBN
–1974 - TCP specification by Vint Cerf
–1984 – On January 1, the Internet with its 1000 hosts converts en masse to using TCP/IP for its messaging.
This is powerpoint about Intrnet:
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