Circuit switching involves 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.
Message switching involves 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.
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Message switching involves 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.
The source :
wiki.answers.com
