It's a process used by software development teams to design, develop, test, and deploy high-quality software. The SDLC is a framework defining tasks and stages that are required to develop software.
"SDLC is not just about writing code, it's about ensuring that every line of code contributes to building robust, reliable, and scalable solutions that meet the needs of users and stakeholders. It's the roadmap that guides us from conception to deployment, ensuring we deliver software that adds real value."
The typical phases of the SDLC include:
1. Planning: This phase involves defining the scope of the project, setting goals, establishing timelines, and allocating resources.
2. Analysis: During this phase, requirements are gathered from stakeholders. This involves understanding what the software needs to do, who will use it, and what functionalities are required.
3. Design: In this phase, the software architecture is designed based on the requirements gathered. This includes defining system architecture, database design, and user interface design.
4. Implementation: Also known as the coding phase, this is where developers write the code based on the design specifications.
5. Testing: Once the code is developed, it's tested to ensure that it meets the requirements and functions correctly. This phase includes unit testing, integration testing, system testing, and user acceptance testing.
6. Deployment: After successful testing, the software is deployed to the production environment for end-users.
7. Maintenance: After deployment, the software enters the maintenance phase where updates, patches, and bug fixes are applied as needed. This phase may also involve adding new features based on user feedback or changing requirements.
These phases are often depicted as a linear process, but in reality, SDLC can be iterative or incremental. Different methodologies such as Waterfall, Agile, Scrum, and DevOps implement SDLC in various ways to suit different project needs and team structures.
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