This ensures one has abetter hold over the entire process.From the above discussion on spiral model vs waterfall model, it is clear that both the models havetheir own advantages and shortcomings. The most popular of them consider the spiral, waterfall, or cascade model (Waterfall); RAD, or rapid application development; Agile Model, or flexible and iterative, or iterative model. The spiral model is an SDLC model that combines elements of an iterative software development model with a waterfall model. Often project managers prefer Agile as a more flexible model. Spiral Model, advantages and disadvantages of the spiral model in software engineering. Additional Functionality can be added at a later date. What is a Spiral Model? In its diagrammatic representation, the spiral model looks like a coil having many cycles or loops. The spiral model is an evolutionary type of software life cycle model which merges the features of the prototype model and waterfall model. Waterfall Model. Waterfall software development model is structured and often rigid. This model is very simple to understand and very well known in the development process. To understand the purpose and use of the Waterfall model, read the following advantages of this model carefully. 2. The Waterfall Model is the oldest and the most well-known SDLC model. On the other hand, the waterfall model hassequential progression, along with clear documentation of the entire process. This model is widely used in â¦ This structure is suited to smaller projects â¦ Waterfall diagram (Click on image to modify this template) Advantages of the Waterfall model. Spiral model is also called as meta-model because in a way it comprises of other models of SDLC. Advantages of Spiral model: High amount of risk analysis hence, avoidance of Risk is enhanced. The original SDLC model was the Waterfall model. Both waterfall and prototype models are used in it. Extended projects tend to develop new goals with time and that is why a dynamic software is perfect. Waterfall model; Iterative model; Spiral model; V-shaped model; Agile model; During the years of the SDLC evolution, different models were developed from the basic cascade model â¦ It is advisable to use this model for expensive, large and complex projects. It has the potential for developing the incremental versions of the softwares by implementing the iterativeness of the prototype model and controlled methodical of the linear segmental model. It is mostly used for big projects where continuous changes are required. Software is produced early in the software life cycle. As for short term projects, you donât need any advanced software especially if you have a onetime definite target. What is a spiral model? Waterfall Model Uses Clear Structure: If you compare the Waterfall model with other Software Development Methodologies, you will be able to analyze that the Waterfall model contains a clearest and specific set of steps. In Agile they follow an iterative development approach. Good for large and mission-critical projects. Waterfall relies on teams following a sequence of steps and never moving forward until the previous phase has been completed. The most recognized advantages of spiral model over the waterfall are its flexibility. The spiral model is a combination of waterfall, incremental, iterative and prototype model. So some of the phases can appear more than once. Strong approval and documentation control. Here is an in-Depth Guide to the Advantages and Disadvantages of Different Software Development Life Cycle Models: Agile, V Model, Waterfall, and Spiral. According to the iterative Waterfall model in software engineering, all the project phases are completed at a time. Waterfall, Spiral, and Incremental/Iterative models will be discussed and a brief comparison of other aspects will conclude the rest of the paper. Waterfall Model.