AdvantagesRisk analysis project are filled up as an essential part of the spiral process to increase the reliability of the projectBuild the project, the combination of other models in development (over here, sample model Falls...)Allows to change depending on the requirements for each of the spiral ringIt is viewed as a model by other models. Do not apply only to the software that is also a must for both hardwareA risk that is not resolved, the termination of the projectThe circle is repeated in response to fit the user's changesControl risks at each stage of development.Reviews of more accurate charge tri other methodsCons:Complicated and not suitable for small projects and less risky.Need to have good skills of risk analysis.Requirements change often leads to infinite loopNot yet used wide range such as or the waterfall model is the model.Requires capacity management
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