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Advantages Of An Intelative Life Cycle Model

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ITERATIVE MODEL
An iterative life cycle model does not endeavor to begin with a full particular of necessities. Rather, advancement starts by determining and executing simply part of the product, which can then be checked on so as to recognize further prerequisites. This procedure is then rehashed, delivering another variant of the product for every cycle of the model. (Rastogi, 2015) General Overview of “Iterative Model” Table 3 Diagram of Iterative model Source (Batory, Singhal, Dasari, Geraci, & Sirkin, 1994)
In the diagram above, according to (Batory, Singhal, Dasari, Geraci, & Sirkin, 1994), when we work iteratively we make unpleasant item or item piece in one emphasis, then survey it and enhance it in next cycle thus on …show more content…

Hence in this phase the development and testing is done.
Evaluation phase: This phase allows the customer to evaluate the output of the project to date before the project continues to the next spiral.
Advantages and Disadvantages of a Spiral model and when to use this model
As stated above using the diagram, it can be stated according to (Boehm, 2000), there exist some advantages and disadvantages of Spiral models and below will illustrate some of the advantages and disadvantages of Spiral Model.

Advantages of Spiral model
• High amount of risk analysis hence, avoidance of Risk is enhanced.
• Good for large and mission-critical projects.
• Strong approval and documentation control.
• Additional Functionality can be added at a later date.
• Software is produced early in the software life cycle.
Disadvantages of Spiral model
• Can be a costly model to use.
• Risk analysis requires highly specific expertise.
• Project’s success is highly dependent on the risk analysis phase.
• Doesn’t work well for smaller projects. When to use Spiral model
• When costs and risk evaluation is important
• For medium to high-risk

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