This protocol provides a procedure for application programs to send
messages to other programs with a minimum of protocol mechanism. The
protocol is transaction oriented,

and delivery and duplicate protectionare not guaranteed.
and delivery and duplicate protectionare not guaranteed.
and delivery and duplicate protectionare not guaranteed.
and delivery and duplicate protectionare not guaranteed.
and delivery and duplicate protectionare not guaranteed.
and delivery and duplicate protectionare not guaranteed.
ここな。

Applications requiring ordered reliable delivery of
streams of data should use the Transmission Control Protocol (TCP) [2].