Open Systems Interconnection Reference Model

I don’t understand what all of these protocols are doing.

Response: Okay, let’s make a model to explain it then.

ISO is a worldwide federation that works to provide international standards. In the early 1980s, ISO worked to develop a protocol set that would be used by all vendors throughout the world to allow the interconnection of network devices. This movement was fueled with the hopes of ensuring that all vendor products and technologies could communicate and interact across international and technical boundaries. The actual protocol set did not catch on as a standard, but the model of this protocol set, OSI model, was adopted and is used as an abstract framework to which most operating systems ...

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