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What are Software Development Methodologies?

by Veno
October 13, 2021
in Tech
What are Software Development Methodologies?

Various methods of software development are aimed at ensuring proper functioning and systematization of subsequent steps in the development process. However, each method is based on the same phases: planning, analysis, design and implementation. Planning and analysis are to create an outline of the project and specify its application. Designing is the implementation of the plan and the construction of software. The last stage is to create the elements that allow the implementation of the software for use.

Software development methodologies

Methodologies are divided into models based on the steps that are performed sequentially. Therefore, there are structural and fast methods. For the entire software development process, use the services of professionals that you can find here:

Waterfall development method – the traditional programming approach

In this model, the steps are performed in the imposed order. This makes it easier to precisely define the requirements for the project, but it makes it difficult to correct mistakes that may be made in the first stages of planning. Each subsequent step can be performed only after the previous one is completed so that errors are only detected at the testing stage. However, the entire project is stable and transparent at every stage.

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Agile Development Methodology

It assumes the rapid creation of usable software as well as subsequent analyzes and the creation of further improved versions. The implementation of the first version means that the software can already be used and is profitable. However, subsequent editions are time-consuming, as they require going back to the beginning of designing.

Dynamic Systems Model

In this case, an overall project outline is created that does not need to be detailed. The software is put into use in a truncated version, and new functionalities are added over time. However, there is a risk of missing some errors during testing. The advantage is the flexibility of the project and the ability to implement corrections and customer comments.

Spiral model

It focuses on the first stages, i.e. planning and design. It requires the creation of a detailed project plan, which, however, may be changed in subsequent versions. Each step ends with a test and risk assessment. It can introduce a large number of corrections after each customer comment but generates high costs.

Prototype model

It introduces the creation of a functional software prototype in a very short time. It allows for the quick delivery to the client of a practically finished product and implementation of subsequent corrections, but it can create a false impression about the final effect of the work. It can be a way to cut costs by clarifying doubts at the prototype stage, but overall, adding software can save very high costs.

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Rapid Application Development

In this model, it is quick to implement, and corrections are made based on comments from the client. The recipient plays an important role here and is part of the project team. It works best with small, uncomplicated programming. It can cause chaos in large projects.

Which software development model is the best?

There is no single answer to which model is the best. The choice of methodology should depend on the assumptions of the project being created. Large systems that may not have any faults due to their purpose or level of sophistication (e.g. banking systems) will require longer, well-documented methodologies with clearly separated steps. Smaller software, the purpose of which requires user feedback, may be based on quick methodologies from the agile group.

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