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Open Systems Interconnection Reference Model

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Abbreviation Of: 
OSI
Abbreviation: 
OSI

n. (OSI, abbr.) ~ A standard (ISO 7498) that describes a common basis for coordinating standards development for systems interconnection and allowing existing standards to be coordinated with the overall reference model.

Notes: 

The model includes the physical layer, the data link layer, the network layer, the transport layer, the session layer, the presentation layer, and the application layer. The model is not an implementation standard.