Computer Networks · topic
The Berkeley socket call order for TCP and UDP clients and servers, what each call does on the wire, which calls block and until when, the new socket returned by accept, byte-stream versus datagram reads, and the common mistakes in reading call sequences.
An application reaches TCP and UDP through the operating system's socket interface, which first appeared in Berkeley UNIX and is now on nearly every system. A socket is an endpoint, named by a file descriptor, through which a process sends and receives data.
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