Most vendors involved in telecommunications try to describe their products and services in relation to the OSI model. The purpose of the OSI reference model is to guide technology vendors and developers so the digital communications products and software programs they create can interoperate and to promote a clear framework that describes the functions of a networking or telecommunications system that's in use. This model focuses on providing a visual design of how each communications layer is built on top of the other, starting with the physical cabling, all the way to the application that's trying to communicate with other devices on a network.Ī reference model is a conceptual framework for understanding relationships. OSI (Open Systems Interconnection) is a reference model for how applications communicate over a network. What is OSI model (Open Systems Interconnection)? Kara Gattine, Director of Editorial Operations.
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