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 forStandardization. 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)