Unreliable
131Network packet — In computer networking, a packet is a formatted unit of data carried by a packet mode computer network. Computer communications links that do not support packets, such as traditional point to point telecommunications links, simply transmit data… …
132Datagram — A datagram is a basic transfer unit associated with a packet switched network in which the delivery, arrival time, and order are not guaranteed. A datagram consists of header and data areas, where the header contains information sufficient for… …
