3. Viewpoints and Views

When you start the daunting task of designing the architecture of your system, you will find that you have some difficult architectural questions to answer.

• What are the main functional elements of your architecture?

• How will these elements interact with one another and with the outside world?

• What information will be managed, stored, and presented?

• What physical hardware and software elements will be required to support these functional and information elements?

• What operational features and capabilities will be provided?

• What development, test, support, and training environments will be provided?

A common temptation—one you should strongly avoid—is to try to answer all of these questions by means of a single, ...

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