Synchronous Data Link Control communications
(SDLC) An IBM protocol.
A discipline conforming to subsets of the ADCCP of ANSI and the HDLC of the International Organization for Standardization. SDLC manages synchronous, code-transparent, bit-serial communication which can be duplex or half-duplex; switched or non-switched; point-to-point, multipoint, or loop.
Compare Binary Synchronous Communication.
(1995-03-22)