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User Datagram Protocol Last modified: Friday, March 26, 2004
Abbreviated UDP, a connectionless protocol that, like TCP, runs on top of IP networks. Unlike TCP/IP, UDP/IP provides very few error recovery services, offering instead a direct way to send and receive datagrams over an IP network. It's used primarily for broadcasting messages over a network.
RFC 768  Read the full text of RFC 768, which explains User Datagram Protocol. UDP Connectionless Transport A close look at how UDP works and what it does. User Datagram Protocol (UDP) RFC Request for Comments paper on the User Datagram Protocol (UDP).	Related Categories Internet Protocols Related Terms connectionless IP IPX RTP TCP/IP TFTP