not ready for prime time = N = NP-

notwork /not'werk/ n.

A network, when it is acting flaky or is down. Compare nyetwork. Said at IBM to have originally referred to a particular period of flakiness on IBM's VNET corporate network ca. 1988; but there are independent reports of the term from elsewhere.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.