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Synchronous Data Link Control Protocol

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ALSO CALLED: SDLC
DEFINITION: (SDLC is also an abbreviation for systems development life cycle.)SDLC (Synchronous Data Link Control) is a transmission protocol developed by IBM in the 1970s as a replacement for its binary synchronous (BSC) protocol. SDLC is equivalent to layer 2 of the Open Systems Interconnection (OSI) model of network communication. This level of protocol makes sure that data units arrive successfully from  … 
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Posted: 14 Feb 2011 | Published: 11 Feb 2011

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SYNCHRONOUS DATA LINK CONTROL PROTOCOL DEFINITION (continued): …  one network point to the next and flow at the right pace. SDLC uses the primary station-secondary station model of communication. Typically in IBM mainframe networks, the host mainframe is the primary station and workstations and other devices are secondary stations. Each secondary station has its own address. Typically, multiple devices or secondary stations are attached to a common line in what is known as a multipoint or multidrop arrangement. SDLC can also be used for point-to-point communication. SDLC is primarily for remote communication on corporate wide-area networks (WANs).SDLC … 
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