Iterative methodologies, such as Rational Unified Process and dynamic systems development method, focus on stabilizing project scope and iteratively expanding or improving products. Agile methodologies, such as XP and Scrum, focus on lightweight processes that allow for rapid changes. SDLC methodologies fit within a flexibility spectrum ranging from agile to iterative to sequential. Various SDLC methodologies have been created, such as waterfall, spiral, agile, rapid prototyping, incremental, and synchronize and stabilize. Computer systems are complex and often link components with varying origins. Like anything that is manufactured on an assembly line, an SDLC aims to produce high-quality systems that meet or exceed expectations, based on requirements, by delivering systems within scheduled time frames and cost estimates. There are usually six stages in this cycle: requirement analysis, design, development and testing, implementation, documentation, and evaluation.Ī systems development life cycle is composed of distinct work phases that are used by systems engineers and systems developers to deliver information systems. The SDLC concept applies to a range of hardware and software configurations, as a system can be composed of hardware only, software only, or a combination of both. In systems engineering, information systems and software engineering, the systems development life cycle ( SDLC), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. Model of the software development life cycle, highlighting the maintenance phase For the IBM's computer communication protocol, see Synchronous Data Link Control. This article is about systems development life cycle.
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