Agile software development is a modular, responsive, high-quality approach to software development that breaks down complex systems into functional modules. It allows for faster implementation and customer feedback, with planning being the most important phase. The four key areas are planning, testing, coding, and validation.
In today’s business, innovation is key and responsiveness with flexibility is necessary to survive. A new model for software development has been created to adapt to the high demands of modern business needs. Agile software development is the term used to describe a modular, responsive, high-quality approach to software development.
With the growing demand for faster products in the market, software developers have created ways to develop software faster. These agile techniques break down complex system programs into functional modules, which can be implemented in production independently of an entire application. This modular approach is necessary because it is unrealistic for modern businesses to wait several years for a software application.
Historical system software was developed using a waterfall method. This process included requirements work, design, development, and coding of an entire application. When used with large enterprise applications, this cascading process would take years to complete. With agile software development, modules are available for implementation within months.
There are many agile development frameworks available today. These include extreme programming, scrum, adaptive software development, and feature-driven development. All the fundamentals of these frameworks have been combined in the Agile Manifesto. This manifesto was created in 2001 by the technical creators of many of the agile development frameworks of that time.
The key goals of agile software development are to increase communication, increase speed to market, and create a customer feedback loop. This form of development provides a means to quickly demonstrate requirements with a working application. This also creates transparency in the software development process between the customer and the development team.
Within agile software development, each modular release is considered a sprint or spiral. Each release gives the customer the opportunity to prioritize the feature most important to the business at that time. This model gives companies the opportunity to adapt to changing requirements for any modular deployment.
The four key areas for agile and effective software development, regardless of the specific framework, are planning, testing, coding and validation. During each stage of the process the customer has the opportunity to verify and validate the requirements as met. The cardinal rule within the agile process is to keep modules small enough to be completed quickly.
The planning phase is the most important phase of the agile process. During this phase the customer will determine priorities and define the modular requirements for the next release. Each requirement should be a high-level business case and not include technical details. The requirement should be small enough to complete testing and coding in less than four weeks.
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