Local area networks
Computer networks (3rd ed.)
Data network design
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Modern computer networks may consist of thousands of computing devices of various kinds, often made by different vendors and interconnected by many types of transmission media, including standard telephone lines, satellites, digital microwave radio, optical fibers, or digital data lines. They may include local or wide area configurations. For such a group of heterogeneous devices to be linked, either the hardware and software need to be compatible or else complex interfaces need to be built to allow meaningful communication. Network architecture helps achieve this compatibility.