Advantages And Disadvantages Of Waterfall Management

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OBJECT ORIENTED SYSTEMS ANALYSIS AND DESIGN H7DV 04 H7DV 04/AS/01

RUCHINI ERANDATHI SCN NO : 157474812 947814141V

WATERFALL METHODOLOGY
The waterfall model of software engineering for the systems development life cycle model is the most popular version. Often considered classic approach to life cycle of systems development , linear and sequential waterfall model describes the development system. Waterfall development objectives are different for each stage of a development .Imagine a waterfall on the cliff of an alp. Water has flowed over the edge of a steep mountain side and has started walking down , it cannot turn back. It is same as the waterfall development. Once a phase of development is completed, there is no turning back when the development proceeds to the next phase.
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• The rigidity of the model is easy to manage - Each stage has a specific distribution and review process.
• In this methodology phases are processed and completed one at a time and phases do not overlap.
• Waterfall methodology proceeding well for smaller projects where requirements are very well understood.

Disadvantages of waterfall methodology

• When an application is in the testing stage, it is very hard to turn back and change something, that was not well-thought out in the concept stage.
• No working software is produced until late during the life cycle.
• Uncertainty and the risk, very high.
• It is not a good methodology for complex and object-oriented
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