The OSI Reference Model and Protocols
Before two computers or network devices can exchange information, they must establish communication, and this is where protocols come in. A network protocol enables two devices to communicate by using one set of rules. The OSI model and protocol standards help to ensure that networking devices are capable of working together over a network.
The OSI Reference Model
In the early 1970s, a problem was brewing. There were many different computer manufacturers, and there were many incompatibilities among them. Furthermore, each manufacturer created different product lines, and even within one company there were often incompatibilities between their product lines. So the International Standards Organization got ...
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