Protocols used for communicating data across a packet-switched internet work using the Internet Protocol Suite, also referred to as TCP/IP.
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From the author:
"CVSup is a software package for distributing and updating collections of files across a network. It can efficiently and accurately mirror all types of files, including sources, binaries, hard links, symbolic links, and even device nodes. CVSup's streaming communication protocol and multithreaded architecture make it most likely the fastest mirroring tool in existence today."