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The Software Development Life Cycle (SDLC) is a methodology to develop software with quality functioning, testing and deployment as per the client's requirements. It is the overall process to create software with the highest quality, lowest cost and in the least possible time. The cycle enables the developer to plan, build and develop software successfully. It can be used for both developing in-house software and systems, or modifying commercial off-the-shelf (COTS) products.

Software Development Life Cycle Methodologies

Low Budget Projects: Some customers require a low budget experimental project. As the project is in the experimental stage, there is no certainty for the applications' success. The methodology that works best for this project is the Lean Development Methodology (LDM).

Under LDM, the technique is employed to design the software in one-third of the stipulated time frame and within the said budget deploying limited resources.

Faster go-to-market software: Sometimes, when a marketer has a unique idea and intends to reach the market as an initiator, this technique is used. A customer takes the first-mover advantage with the use of Rapid Application Development (RAD). This approach is employed when there is a minimum time for extensive planning. Here the feasibility and risk analysis done through prototypes. The final product is launched with minimum features and is further developed as per the feedback received by the Software Outsourcing Companies.

Big Projects: Some specific projects require massive architecture work and continuous development as per the market needs. As per the growing market requirements, the demands for development change frequently. Software product outsourcing companies handle such types of software projects in a better way. The best methodology that is useful here is the Agile-Scrum methodology.

This is an agile framework and is best suited for constantly innovating projects and demand extreme development requirements.

Feature-driven projects: The customers requiring a lot of data processing need the help of Software Outsourcing Companies to manage the data with the help of their vast team of developers. Under this model, the entire project is built, designed, and deployed by a skilled technical team.

Types of SDLC Models

Waterfall Model: This model ensures the use of minimal resources with the unchanging behaviour of the project. Suitable for the customers who are precise with their project requirements.

V-Model: It is a sequential model similar to a waterfall. Lesser flexible in nature and incompetent to handle complex projects, the model comprises two phases: the verification and validation phases. Both steps are merged into a coding phase giving the name V-model.

Prototyping Model: Various prototypes of applications are created, and ultimately, a final prototype is prepared as per the customer requirements.

Spiral Model: Spiral SDLC models are premised on the idea that “Shorter is better”. This model is a combination of a prototype and waterfall model. It is used in large applications and help in managing risks as the system is developed in phases.

Iterative Model: Iteration is the development method in which selected increments of product design or source code are developed, tested, and integrated at regular intervals (the iteration) during development. Here, a system is developed through repeated cycles with software product outsourcing companies' help. The model can consist of a mini waterfall model and a V-model.

Big Bang Model: The Big Bang analysis model has been for many years the dominant paradigm for software and systems development. its open-architecture framework designed from the ground up around the SAP HANA and Apache Hadoop technologies, Big Bang offers more business value in less time, at a lower cost than you'd expect.

Conclusion

SDLC guides you about what's happening and where the development process is heading exactly. It provides a scalable view of the project with clear insights to manage the outcomes more rewarding.

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