A Datagram is one single UDP data package. See also: Segment

Another term used to describe an information packet.

A protocal known as the User Datagram Protocol (UDP). It is an internet standard protocol that allows an application program on one machine to send a datagram to an application program on another machine. UDP uses the Internet Protocol to deliver datagrams. Conceptually, the important difference between UDP and IP is that UDP messages include a protocol port number, allowing the sender to distinguish among multiple destinations (application programs) on the remote machines. In practice, UDP also includes a checksum over the data being sent.

packet of data or type of socket that models connectionless, unreliable byte stream communication

the Unit of transfer at the lowest level of the Internet.

The smallest independent data unit within the IP layer of the TCP/IP protocol stack.

a block of data that has an IP header on it that can be transmitted by a TCP/IP network

a unit of data, which is what the protocols deal with