In any development system structuring, planning and evaluating procedures is the backbone of any process. Just like that, software development methodologies are at the backbone of developing an information system. There are many concepts, values, and practices that constitute software development methodologies. Each method has its distinct pros and cons for different types of projects. Its not a given that one sort of software development methodology can be a perfect fit for all software development projects. Each of the available methodologies is best suited to specific kinds of projects based on the software design requirements.
Commonly used Software Development Methodologies for different design requirements:
The waterfall model is an independent sequential development process. One development phase will be completed and necessary documentation will take place before moving on to the next phase. Phases such as software and system requirements analysis, design, implementation, testing, integration, and maintenance are defined in this methodology.
This software development methodology will perform the various development phases at one time. Some phases of development will complete earlier than other phases. For example end user product may be delivered earlier than the back end program. The objective of this software development methodology is to break down the project into several phases and shorten the length of the development and design process. However it is not recommended that audits and reviews are done in increments, it is better to audit the entire project at once.
Software prototyping is basically creating a copy of an existing system. It is not stand-alone methodology, it needs to be integrated with the waterfall, spiral or radical application development. It may give you early functionality but it tends to delay problem solving eventually giving you poor performance.
The spiral methodology flaunts the bond between prototyping, parallel steps, and concurrency in design and development. This software development methodology should be well planned. Timelines should be set for deliverables and documentation and validation should also be a priority.
There are a few methodologies which haven’t been validated yet. Therefore whichever software development methodology your developers choose, you must keep in view the initially set requirements for the program you are setting off to develop. At the end you would want software designed to optimize your work force and one that fulfils your software design and development requirements.
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