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Specialty Expressions: HIGH-LEVEL DATA LINK CONTROL

ExpressionsDomainDefinition
High-level Data Link ControlComputingHigh-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]. (1997-11-09). Source: The Free On-line Dictionary of Computing..
High-level data link control (HDLC)BusinessA Link-Level protocol used to facilitate reliable point-to-point transmission of a data packet. Note: A subset of HDLC, known as "LAP-B," is the Layer-two protocol for CCITT Recommendation X.25. (references)

Source: compiled by the editor from various references; see credits.

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