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Guide on Software Product Development Lifecycle

Guide on Software Product Development Lifecycle
Software development life cycle

Software development lifecycle (SDLC) is a series of six phases that any software system goes through.

Absolutely any software goes through 6 basic steps, starting from a simple idea and ending with its use by the end-user.

But how does it seem on the inside? What challenges does the development team face and how do they solve each phase of the Software Life Cycle?

A typical development life cycle consists of the following phases:

1. Collection and analysis of requirements (Planning and Requirement Analysis)

This is perhaps the most responsible and important of all the steps to creating a successful software system. The fundamental project strategy is planned using all of the acquired data.

Additionally, there is a planning of quality assurance requirements and identification of various risks associated with the project. The result of the analysis is the identification of various technical approaches that can be used to successfully implement the project with minimal risks.

2. Documenting requirements

Once the basic requirements analysis has been completed, the next step is to clearly define and document the requirements for the product, approved by the customer. If one of the goals of the first stage is to understand and analyze the requirements, then at this stage all the goals should be spelt out, this is the protection of both parties.

It is important to clearly define and write down what needs to be done, this is done using the SRS (Software Requirement Specification). The document contains all product requirements that must be designed and developed during the life cycle of the project.

3. Design (Design the Product Architecture)

SRS is a guideline for developers to suggest the best architecture for a product. There are usually several approaches to product architecture design. All proposed approaches are documented in the DDS (Design Document Specification) and the best design approach is selected. This method clearly defines all of the product’s architectural modules, as well as their relationships with external and third-party modules.

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4. Software development (Building or Developing the Product)

This is where product development and assembly begin. All program code, new modules and features are developed based on DDS. The better this documentation is written, the faster the implementation will go. At this stage, the development team is involved. The written code should be covered by unit tests, and the interaction of new features with other modules should be tested using integration tests. These activities are performed by the development team, not QA specialists.

5. Testing the Product

It is testing that mainly affects all stages of the life cycle. Product defects are logged, tracked, corrected and retested. This happens until the product reaches the quality standards that are prescribed in the SRS. At this stage, a team of manual testers or automation is involved in the development process.

6. Deployment in the Market and Maintenance

A product is launched after it has been thoroughly tested. Sometimes the implementation occurs in stages, in accordance with the business strategy. The product can first be released in a limited segment and tested in a real business environment, this is UAT testing (User Acceptance Testing). Then, based on feedback, the product can be released as is, or with suggested improvements. After the product is released to the market, its maintenance is performed for the existing customer base, and support teams are connected at this stage.

These are the six main stages of the system development life cycle, and it is an iterative process for every project. It is important to note that an excellent level of communication with the customer must be maintained. Prototypes are very crucial and beneficial when it comes to executing requirements. By building the system in short iterations, it is possible to ensure those customer requirements are met before the entire system is built.

Also Read: Technology to Streamline the Rental Application Process

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