Open Systems Interconnection (OSI) Model

The Open Systems Interconnection Model

History of the Open Systems Interconnection Model

During the late 1970’s the ISO (http://www.iso.org) developed a theoretical model for networking hardware and software called the Open Systems Interconnection model. The Open Systems Interconnection model was derived, in part, from standards defined within the Advanced Research Projects Agency Network (ARPANET). The OSI model was implemented to address a need to allow multi-vendor interoperability of networking systems; for, the ARPANET was confined to the interconnection of systems within ...

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