Data Link Layer has number of specific functions to carryout. These functions include:- Providing a well defined service interface to the Network Layer. Determining how the bits of the Physical...

This protocol also provides for one directional flow of data from sender to receiver. The communication channel is once again assumed to be error-free, as in protocol Unrestricted Simplex Protocol....

It is the simplest though unrealistic protocol with the nick name “UTOPIA“. In this case data is transmitted in one direction only. Both the transmitting and receiving Network Layer...

The design issues deals with how to make sure all frames are eventually delivered to the Network Layer at the destination and in the proper order. The usual way to ensure reliable delivery is...

A network contains a large number of computers and various intermediate devices. All these devices and computers must be joined so as to transfer data from one computer of network to any other...

Networks can be divided into two categories i.e. those using point-to-point connections and those using broadcast channels. Broadcast channels are sometimes referred to as multi-access channels...