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).
| Traditional local and wide area networks | The Internet |
|---|---|
| Carrier controls both ends of the transmission | Carrier will control only a subset of the entire path |
| Circuit switching (pre-established path) | Internet TCP/IP (path determined hop by hop) |
| Closed applications | Open applications |
| Centralized system design ... |
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