OSI (Open Systems Interconnection (Open System Interconnection))

OSI is Open System Interconnection of acronym meaning Open Systems Interconnection. International Organization for Standardization (ISO) developed the OSI model, which defines a standard interconnection of different computers, and the basic frame design described computer network communication. OSI model divides network communications work is divided into seven layers, namely a physical layer , data link layer , network layer, transport layer , session layer , presentation layer and application layer .