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Alex Rivera
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TCP has the tuple pairs (IP Addr/port/type) to tell one client from another. UDP passes the client IP and port. How does the unix domain keep track of different clients? In other words the server creates a socket bound to some path say /tmp/socket. 2 or more clients connect to /tmp/socket. What is going on underneath that keeps track of data from client1 and client2? I imagine the network stack plays no part in domain sockets so is the kernel doing all the work here? Is there a unix domain protocol format like there is an IP protocol format and TCP/UDP formats? Is the format of domain socket datagram protocols published somewhere? Is every unix different or does something like POSIX standardize it? Thanks for any illumination. I could not find any information that explained this. Every source just glossed over how to use the domain sockets.
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