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Deploying License-Free Wireless Wide-Area Networks by Jack Unger

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OSI and TCP/IP Reference Models

Several different but similar layered data architectures have been developed to allow reliable data transfer between different computer systems and between different networks. When you understand a little about the service layers and the protocols that these architectures use, you will be in a good position to understand the similarities and the differences between different brands of wireless equipment.

The seven-layer ISO OSI reference model was first proposed around 1983 to allow connectivity (or interworking) between different computer systems. Prior to the OSI reference model, computer systems made by one manufacturer could not easily communicate with computer systems made by other manufacturers. The intent ...

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