SDLC

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Jun 10, 2009 2:33 AM
Jun 10th, 2009

Description:

Synchronous Data Link Control (SDLC)

Complete Definition:

A SNA data link layer communications protocol. SDLC is a bit-oriented, full-duplex serial protocol that has spawned numerous similar protocols, including HDLC and LAPB.


It is the layer 2 protocol for IBM's Systems Network Architecture (SNA). SDLC supports multipoint links as well as error correction. It also runs under the assumption that an SNA header is present after the SDLC header.[1]. SDLC was mainly used by IBM mainframe and midrange systems; however implementations exist on many platforms from many vendors. The use of SDLC (and SNA) is becoming more and more rare, mostly replaced by IP-based protocols or being tunneled through IP (using AnyNet or other

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Posted June 10, 2009 at 2:33 AM
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