CHAPTER

9

User Domain Policies

ATENET OF TELECOMMUNICATIONS SAYS the more people who access a network, the more valuable the network becomes. This is called Metcalfe’s law. Consider a telephone system as an example. If only two telephones were on the system, the value of the system is limited. Only two people can talk at any given time. But add millions of phones and people, and suddenly the value of the network rapidly increases.

This same principle can also be applied to the introduction of technology. As new technologies introduce new capabilities, the value of the network increases yet again. However, it’s also true that the more users and technology involved in a network, the more complex it becomes, and the more potential security ...

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