The OSI reference model and the TCP/IP protocol suite were defined in order to understand the structure and the processes that make a network function. While the OSI reference model is great at describing how network communications occur, it represents more of a theoretical approach, unlike the TCP/IP protocol suite used in production. The TCP/IP approach to network communications is comprised of a set of protocols that operate together to accomplish various tasks that allow network devices to communicate with each other.
The seven layers of the OSI reference model and the corresponding five layers of the . . .
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