The OSI Reference Model

Let us begin with the foundation that all networking is built upon, the Open Systems Interconnection (OSI) model. For most readers, the OSI model should be more of a reference model than a new word on the block. If not, do not be alarmed. The following text will give you enough of an understanding to get started. The OSI model is a seven layer architectural model developed by the International Organization for Standardization (ISO) and the International Telecommunications Union-Telecommunications (ITU-T). The main use of the model is to help developers understand the functionality involved with the creation and flow of networking software. Within this book we will discuss the networking properties of how OSI Reference ...

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