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An implementation of the UDP-based Data Transfer (UDT) protocol in C. UDT is a much faster data transfer protocol than TCP and provides a socket interface to send/receive data just like any other protocol.

The documentation can be found in the header files (see include/udt.h).

make # compile
make clean # cleanup
export LD_LIBRARY_PATH=./src/:$LD_LIBRARY_PATH # export the library path
progs/server # start the server
progs/client # start the client
progs/sendfile # start the sendfile server
progs/recvfile "file/to/get" "file/to/saveas" # receive the file

• Implement architecture.
• Implement basic API.
• Implement handshake.
• Use threads for sender/receiver.
• Implement data packet handling.
• Implement sendfile, recvfile.
• Implement timer and use it to send various packets.
• Make this work with an existing UDT implementation.
• Implement a congestion control algorithm.

Please report bugs, suggestions here.

• Yunhong Gu and Robert L. Grossman, UDT: UDP-based Data Transfer for High-Speed Wide Area Networks, Computer Networks (Elsevier). Volume 51, Issue 7. May 2007.
• UDT Implementation in C++ : http://udt.sourceforge.net/software.html.
• UDT Manual : http://udt.sourceforge.net/udt4/.

MIT