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data link control (DLC)

Data Link Control (DLC) is a data control procedure for the secure and error-free transmission of data via physical connections. The DLC procedure operates on the link layer, which is responsible for reliable data transport in networks

, among other things. The tasks of the DLC data control procedure include error detection offrames transmitted with errors and flow control. Data Link Control can be used in point-to-point links and in multicast

andis applied as a synchronous method, as Synchronous Data Link Control (SDLC) in SNA architecture and as High Level Data Link Control

(HDLC) inLink Access Procedure (LAP) in X.25

. Each network card has a DLC address with which the node is identified in the network. This network card address is the 48-bit hardware or MAC address.

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Englisch: data link control - DLC
Updated at: 25.06.2011
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