"Open System Interconnection (OSI) reference model"

Definition: Open System Interconnection (OSI) reference model: An international standard for the organization of local area networks (LANs) established by the International Standards Organization (ISO) and the Institute of Electrical and Electronic Engineers (IEEE) that improves network flexibility. Synonymous with ISO/OSI reference model. The OSI reference model separates the communication process into distinct layers insulated from each other, such as the physical, data and transport. From QUECID

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