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Top-Down Network Design Chapter One Analyzing Business Goals and Constraints - page 5 / 26

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Structured Design

A focus is placed on understanding data flow, data types, and processes that access or change the data.

A focus is placed on understanding the location and needs of user communities that access or change data and processes.

Several techniques and models can be used to characterize the existing system, new user requirements, and a structure for the future system.

A logical model is developed before the physical model.

The logical model represents the basic building blocks, divided by function, and the structure of the system.

The physical model represents devices and specific technologies and implementations.

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