15.5. Creating and Editing RPC Programs
RPC is a protocol and data format that is the basis for other protocols like NFS and NIS. RPC clients make function calls to RPC servers, passing parameters and getting back results. To the client or server, making a remote procedure call is no more difficult than calling a normal library function, which makes writing programs that use RPC much easier than creating your own protocol from scratch.
An RPC program is a set of functions that are handled by a server. Each program has a unique number, similar to the port of an Internet service. Programs are not associated with a particular protocol, as they can generally accept connections and function calls via UDP or TCP. Nor do they have a fixed port, as they ...
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