Definition of "connectionless" [connectionless]

• Without the use of a constant connection; sending and receiving data arbitrarily as needed, usually with less reliability than if a connection were held open. (adjective)

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• "As every programmer discovers, connection-oriented synchronous protocols make multitasking very difficult while connectionless asynchronous protocols encourage multitasking."
• "In geekoid terms, phoning is a connection-oriented synchronous protocol and texting is an asynchronous, connectionless protocol."
• "As it happens, I was pleased to find that CHAOS had a particular feature I'd independently come up with for my own IRIDIUM protocol design: it supports both connection-oriented and connectionless communication, but unlike IP's distinction between TCP and UDP, the two are integrated."