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Module 1: Ciclo de vida de desenvolvimento de sistema

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XSIQ
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Information Technology - The analysis phase

The Analysis Phase

The analysis phase of the SDLC is where existing system(s) are studied
with the aims of designing a new or improved system. In this phase, a
number of important decisions are made - including who will work on the
system, and the setting of specific performance goals for the system to
achieve.

Data must be gathered on the strengths and weaknesses of the existing
system by using methods such as:

* observation

* research

* interviewing

* sampling to trace procedural paths and information flows

The analysis phase has the following steps:

* announcing the project

* creating the project team

* defining information needs

* defining system performance criteria

* creating a design proposal

At the conclusion of the analysis phase a decision on whether or not to
proceed with the project must be made. This decision will be made based
upon the information that is contained within the design proposal - hence
it is important that the design proposal clearly identifies what resources
will be required to complete the project and sets the major goals and the
time frame for the completion of the project.

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