Evolutionary Phases of Internet Readiness

The CIO needs to recognize that the enterprise and the individual applications and initiatives within the enterprise will go through discrete phases depending on the expectations of the business. Before entering the discussion of the evolutionary phases, let's confirm we understand how the Internet is different from the networks with which most CIOs are familiar (Table 6.1).

Table 6.1. Network and Internet Compared
Traditional local and wide area networksThe Internet
Carrier controls both ends of the transmissionCarrier will control only a subset of the entire path
Circuit switching (pre-established path)Internet TCP/IP (path determined hop by hop)
Closed applicationsOpen applications
Centralized system design ...

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