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TCP/IP Guide by Charles M. Kozierok

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Chapter 49. TCP RELIABILITY AND FLOW CONTROL FEATURES

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The main task of the Transmission Control Protocol (TCP) is simple: packaging and sending data. Of course, almost every protocol packages and sends data! What distinguishes TCP from these protocols is the sliding window mechanism we explored in the previous chapter, which controls the flow of data between devices. This system not only manages the basic data transfer process, but it also ensures that data is sent reliably and manages the flow of data between devices to transfer data efficiently, without either device sending data faster than the other can receive it.

To enable TCP to provide the ...

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