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PACKET SWITCHES:
To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to another. That's why they are known as packet switches. A packet switch consists of a small device with network interfaces, a storage and a program dedicated to packet switching application.
A packet switch is given in the figure below.
Error Detection- 2D/LRC Adds an additional character (instead of a bit) A block of bits is prearranged in a table The Parity Bit for every data unit is calculate
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What is Wireless Application Protocol?
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Compute the shortest path from t to all network nodes.
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