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Linux® Socket Programming by Sean Walton

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Chapter 4. Sending Messages Between Peers

IN THIS CHAPTER

You can think of message passing from two different angles: continuous and without interruption (TCP) or discrete packets of information (UDP). While continuous data flow is like a telephone transmission, the discrete packet is like a letter in an addressed envelope.

The continuous flow requires you to have an established connection with the destination. This makes sure that no information is lost during the interchange and is in order when it arrives. ...

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