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.

Last updated: 1995-03-22