Contract data journalist, or user protocol data journalist of the user is one of the main components of the set protocol, the internet, a set of network protocols that the internet is used.. Computers use UDP to be able to send the message, which in this case it was a journalist or Datagram track. to the other hosts available in the Internet Protocol (IP). This protocol has an ability this without communicating previous or create channels or paths, data transfer, Special do. The protocol shall, in the year 1980 by David Wake. Reid has been developed and formally in the standard RFC 768 defines.