The Software Development Life Cycle (SDLC) is a structured framework that directs the process of planning, creating, testing, deploying, and maintaining software. Its prime goal is to deliver superior, profitable, and maintainable software that meets user requirements within defined timelines and resources.
Core Phases of SDLC
Planning & Requirement Analysis – Define project scope, gather requirements from stakeholders, and assess feasibility. This stage produces the Software Requirement Specification (SRS) document.
Defining Requirements – Finalize and document functional and non-functional requirements with stakeholder approval.
Design – Create High-Level Design (HLD) and Low-Level Design (LLD) documents, outlining architecture, modules, interfaces, and database structures.
Development (Coding) – Implement the design using chosen programming languages and tools, following coding standards.
Testing & Integration – Conduct unit, integration, system, and acceptance testing to ensure the product meets SRS specifications.
Deployment – Release the software in phases (beta, full release) and ensure smooth integration into the production environment.
Maintenance – Apply updates, fix bugs, and enhance features to keep the software relevant and secure.
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