SDLC vs Agile vs DevOps
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1.SDLC vs Agile vs DevOps
Ans:
SDLC (Software Development Life Cycle), Agile, and DevOps are three important approaches in software development, but they differ in purpose, methodology, and practices.
SDLC is a structured process that defines clear phases like planning, analysis, design, development, testing, deployment, and maintenance. It ensures quality and control but is often rigid, making it difficult to adapt to fast-changing requirements. Traditional models like Waterfall follow SDLC strictly, leading to long release cycles.
Agile emerged to address SDLC limitations by promoting iterative and incremental development. It focuses on customer collaboration, working software, and adaptability. Agile breaks projects into short cycles called sprints, where teams deliver small, usable features quickly. It encourages continuous feedback and faster responses to market needs. However, Agile mainly emphasizes development speed and customer value, not full-scale operations.
DevOps goes beyond Agile by integrating development and IT operations. Its goal is to achieve continuous integration, continuous delivery (CI/CD), automation, monitoring, and collaboration across the entire lifecycle. DevOps enables faster, reliable releases and smoother operations by using practices like infrastructure as code, cloud adoption, CI/CD pipelines, and containerization. Unlike Agile, which focuses on development, DevOps ensures end-to-end delivery, deployment, and stability.
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