Circuit-Switched, Packet-Switched, and IP-Based Communications
CHAPTER 3
THE CONCEPT OF CONNECTING COMPUTERS is simple. Getting them to communicate with one another is not. Organizations must carefully consider how they want to use networks. More important, they need to consider how the devices on the network are to communicate. A network that connects many computers but doesn’t allow its users to access resources they need isn’t a useful network. Networks that provide mainly local services differ from those that support large numbers of remote users. Local services can include file sharing and internal communications ...
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