Osi Model
Michael Rauseo IT310
OSI Model
In the early years of computer and network research and development many systems were designed by a number of companies. Although each system had its rights and were sold across the world, it became apparent as network usage grew, that it was difficult, to enable all of these systems to communicate with each other.
In the early 1980s, the International Organization for Standardization (ISO) recognized the need for a network model that would help companies create common network implementations. The OSI reference model, released in 1984, addresses this need. The OSI reference model became the primary architectural model for communications. Although other architectural models have been created, most network vendors relate their network products to the OSI reference model.
The OSI model describes the processes necessary for effective communication in terms of a seven layered model. The seven layers are :
Physical Layer......
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