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24-02-2011, 11:03 AM
Internet.ppt (Size: 298.5 KB / Downloads: 38)
The Internet is a network of networks interconnected by means of the Internet Protocol Suite.
It is an architecture for a system of computer-based applications.
Protocols are standard procedures, conventions and formats for inter-computer communication.
The Internet protocols are based on packet switching concepts.
Circuit and Packet Switching
Packet Switching Features
Multiplexing data from multiple processes
Automatic speed adaptation
Adaptive alternate routing
IPv4 - 32 bits (4.3 billion addresses)
IPv 6 – 128 bits (1038 addresses)
that’s 100 trillion trillion trillion …
Internet Packet Formats
Some use virtual circuits
Some are shared media (e.g., Ethernet)
Internet Protocol- IP