The Open Systems Interconnection model (OSI model) is a product of International Organization for Standardization. A OSI reference model is a conceptual blueprint of how communication should take place. It is a way of sub-dividing a communications system into smaller parts called layers. A layer is a collection of conceptually similar functions that provide services to the layer above it and receives services from the layer below it. When a communication system is designed in this manner, it is known as layered architecture. It’s a set of guidelines that application developers used to create and implement application that run on a network. It also provides a framework for creating and implementing networking standards, devices, and internet working schemes. This paper explains the OSI Reference Model, which comprises of seven different layers. Each layer is having its own responsibilities.
Volume: Volume 24
Issues: Issue 4
Keywords: OSI Model, Seven Layers, Services, Functionality, Protocols.