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High-level Data Link Control

   Also found in: Acronyms, Wikipedia 0.09 sec.
(networking)High-level Data Link Control - (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].


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0B specification, plus high-level data link control (HDLC) and intelligent I/O functions.
NASDAQ:MSPD), a leading supplier of semiconductor solutions for network infrastructure applications, today announced that Huawei-3Com has selected Mindspeed's high-level data link control (HDLC), broadband access multiplexer (BAM) and T3/E3 line interface unit (LIU) devices for use in the company's H3C AR series routers.
Each UCC can be configured to handle a variety of communications protocols, including 10/100 Ethernet, asynchronous transfer mode (ATM) at up to OC-3 speeds, serial and multi-PHY ATM, time division multiplexing (TDM), high-level data link control (HDLC), dual universal asynchronous receiver/transmitter (DUART) and binary synchronous communications protocol (BISYNC).
 
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