An Organizational Network
Second star to the right, and straight on till morning.
—Peter Pan, in the play by J. M. Barrie
Today’s large and complex global organizations need to link their units electronically, across continents, for quick communications. This chapter introduces an enterprise- or organization-wide area network that could be used by such an organization. The larger “parent” network consists of smaller local area networks (LANs) in different locations, interconnected by routers. To understand the layers of networks and how their naming/address systems function, a hypothetical network is developed in this chapter that ...