Due to the focus on clarity, there are regular interactions and communication amidst the client, developers and members of the production process leading to a good working relationship. 12 Advantages of Agile Software Development Alan Koch, Global Knowledge Course Director, PMP, CSM Introduction There is a reason why the Agile methods are becoming mainstream. Customer’s involvement and interaction are parts of the production process. Rapid application development, as the name implies, delivers speedy results with high quality. Advantages of Incremental model: Generates working software quickly and early during the software life cycle. It is an ideal methodology because it easily brings on track even the slowest progressing projects. The prototype methodology is the software development process which allows developers to create only the prototype of the solution to demonstrate its functionality to the clients and make necessary modifications before developing the actual application. Like most process oriented activities, the software development lifecycle is something that as an attribute to work gains value the larger the project it is applied to. In RAD model, there is less attention paid to the planning and more priority is given to the development tasks. Agile Methodology. The advantages of the Agile methodology. The Spiral software development methodology was designed to combine features of various incremental prototyping methods with the Waterfall model. Software product development is made faster and of great quality by using focus groups to gather requirements, prototyping, user testing, reusing software components, continuous reviews, and informal communications. The longer the project continues, the greater the dangers of the initial planning becoming out of date. It needs a strong professional team to identify, interpret, and create the client’s requirements. It benefits developers with the chance of getting valuable feedback from testers at an early stage of the development cycle saving unnecessary cost after launch. This is an object-oriented and web-enabled program development methodology. This makes developers stay committed to a project. Its five-step process of development helps in accelerating software projects with ease. It requires little or no experience. The main aim of this model is to create a fully-functional product and cut the cost of software non-essentialities. This type of model is good for organizations that are transitioning from a phase-based approach to an iterative approach, this methodology also known as an FDD methodology. What drives the choice of a software development methodology? The Rapid application development is not practical for projects with low budgets. Be in the know of the best ways IT projects can be estimated with the most minimal error. There is easy management due to the rigid nature of the waterfall model with each stage having a separate review process. Requirements gathering and analysis is easy in a case where requirement document is absent. Feature-driven development covers for all projects that need sequential updates. Considerations in Dynamic Systems Development. The big downside of waterfall is that you deliver large pieces of functionality towards the end of the project life-cycle. In some cases, it is the software vendor that covers for the cost of a prototype. Additional Functionality can be added at a later date. Software development methodologies play a vital part of developing the software. The Spiral Model is a sophisticated model that focuses on early identification and reduction of project risks. The task was to optimize and improve the development process and to try to identify and quickly correct problems and defects. 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