Synchronous Data Link Control: Proposed by IBM in the 1970’s, SDLC is the primary data link protocol used in their SNA networks. It is a bit-oriented synchronous protocol that is a subset of the HDLC protocol.
Synchronous Data Link Control: Proposed by IBM in the 1970’s, SDLC is the primary data link protocol used in their SNA networks. It is a bit-oriented synchronous protocol that is a subset of the HDLC protocol.