from
The Free On-line Dictionary of Computing (8 July 2008)
High-level Data Link Control
HDLC
<networking> (HDLC) A general-purpose {data link} control
{protocol} defined by {ISO} for use on both point-to-point and
{multipoint} (multidrop) data links. It supports
{full-duplex}, {transparent-mode} operation. It is used
extensively in both multipoint and computer networks.
Some manufacturers and other standards bodies still use their
own acronyms, e.g. {IBM}'s SDLC ({Synchronous Data Link
Control}), the forerunner of HDLC and {ANSI}'s ADCCP
({Advanced Data Communications Control Procedure}).
[Fred Halsall, "Data Communications, Computer Networks and
Open Systems" 4th edition, 1996, p.237, Addison-Wesley
Publishing Co. Reading, Mass., USA].
(1997-11-09)