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Connected: An Internet Encyclopedia Wednesday 20 August 2008 18:31:04 1219257064 |
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Request/Reply
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Connected: An Internet Encyclopedia
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Request/Reply
Some protocols pretty much require request/reply behavior. For example, Internet's Remote Procedure Call (RPC) Protocol is used to implement subroutine calls from a program on one machine to library routines on another machine. Since most programs are single threaded, the sender has little choice but to wait for a reply before continuing the program and possibly sending another request. Hopefully, our language and compiler technology will someday easily support multi threaded code, but until then RPC will remain largely a request/reply protocol.
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