OSI model: Difference between revisions

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* [[Media Access Control]] (MAC) layer - responsible for controlling how computers in the network gain access to data and permission to transmit it.
* [[Logical Link Control]] (LLC) layer - control error checking and packet synchronization.
The [[Point-to-Point Protocolprotocols]] (PPP) is an example of a data link layer in the TCP/IP protocol stack.
 
The [[ITU-T]] [[G.hn]] standard, which provides high-speed local area networking over existing wires (power lines, phone lines and coaxial cables), includes a complete [[data link layer]] that provides both error correction and flow control by means of a [[selective repeat|selective-repeat]] [[sliding window protocol|sliding-window protocol]].