Hello Friends, In this blog post, I am going to let you know about the data link protocol.
It is necessary that the structure of the frame is known to both the data link layers so that control bits can be recognized. The data link layer should also agree on the set of procedures to be adopted for the exchange of control information.
The specified set of rules and procedures for carrying out a data link control function is known as data link control.
A data link control specifies the following:
Format of the frame, that is the locations and sizes of the various fields.
Contents of these fields.
The sequence of messages to be exchanged to carry out the flow control, error control, and link management functions.
High-level data link protocol(HDLC)
Synchronous data link control(SDLC)
Advance data communication control procedure(ADCCP)
Binary synchronous data link control (BISYNC, BSC).
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