Software Development Life Cycle | Image Resource : static.javatpoint.com There is lot to software development that what is generally thought. We have a framework that lets us plan and decide on the steps involved in designing and developing a software from scratch by specifying processes at each stage. The different aspects involved in planning, developing, deploying, and maintaining the software is called as the cycles of development.
Why is Software Development Life Cycle (SDLC) so popular? SDLC lowers the expenses involved in the development and deployment of a software, but at the same time, it improves the quality and decreases the time required in production. This is achieved by removing the obstacles and hurdles that generally arise with a normal workplan as the software development reaches its final stages. The next thing is evaluating the requirements of the system through a series of analysis, development, design, and testing stages. The cost of the project is estimated along with anticipating the possibility of any faults and glitches that might have cropped up through the process of developing the software. Finally, more emphasis is given on the testing phase along with ensuring good quality of code at each stage of the software development Life Cycle. The phases involved in SDLC Requirement gathering and analysis: This is the initial phase where the customers requirement and demands are considered to develop a software product that meets their expectations. It involves gathering all the information required such as the end users, purpose, and the platform of the product. After the requirement gathering phase, analysis is performed to check the feasibility of the product followed by the compilation of the SRS (Software Requirement Specification) document. This is sent for review to the developers and the customers. Planning: In this stage, the team decides on the estimated cost and resources that are required in developing the software along with the risks involved and plans for mitigating these risks. Software and architectural design: Here, the software specification is converted into a design plan that gets sent to the stakeholders for reviewing, and they can give in their feedback and suggest changes. This is the most important phase as the stakeholder’s suggestions need to be incorporated and reflected in the product design. Implementation and coding: A team of developers work on the design document by converting it into source code and implementing the different components required. Testing: After the source code has been compiled, the project is tested along with its modules on different platforms to ensure it can be deployed. Regression and retesting are performed to rectify any errors and defects in the software development process to make sure it is in sync with the SRS. Deployment and maintenance: After the product passes the testing, it is deployed in the production environment to make sure it is according to the customer’s requirements.
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