What is the main differences between different switching techniques?

Answer 1

• The main difference in different switching techniques are:
• Circuit switchinginvolves setting up a series of intermediate nodes, in order to propagate the sending node's data to the receiving node. In such a situation, the communication line can be likened to a dedicated communication pipe.In circuit switching a session needs to be established between the PC's for communication which is not in the case of packet based switching, where different packets may take different routes to reach the destination and will be assembled to get the original message.
• Circuit switching is used in Telephone networks where as packet switching is used in TCP/ IP and the internet.
• Message switchinginvolves transmitting the message sequentially from one node to another. Each node waits until it has received the entire message before sending it to the next node.
• Packet switchinginvolves splitting information into data packets, transmitted separately by intermediate nodes and reassembled when they reach the final recipient.It is a new technology and economic than the circuit switching approach.

  It is usually a connection less service.

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