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SDLC stands for Software Development LifeCycle and it is the process of developing information system with proper analysis, design, implementation and maintenance. SDLC is said to be equal to layer two of open systems interconnection or OSI model of network communication. This level of protocol assures proper flow of data from one level to another. SDLC is important because it breaks down the entire life cycle of software development thus make is easier to evaluate each part of software development and also makes it easier for programmers to work concurrently on each phase.
The field of Software Engineering is relatively new and introduction of scientific approaches for software development has been a recent phenomenon. As software use proliferated in late 70s and early 80s, and as programming languages evolved from assembly languages to higher level procedural and object oriented languages, software development experts in industry and universities started looking for ways to improve quality and reliability of their products. The result was introduction and refinement of Software Development Life Cycle (SDLC) and other formal development methodologies that were based on SDLC.
Moreover, SDLC, is not a technical document – rather it’s a process document. So, as such, it is not a very technically challenging read and most readers should be able to understand the basic concepts of phased approach to software development. Time and effort they put in understanding SDLC would definitely be a worthwhile investment for their businesses.
Important stage of SDLC
Planning and Analysis is the most important stage of SDLC. Many companies only spend 10-15 % on these two phases and in the end they fail because they didn’t plan and analyze the product that was needed to invent. Spending more time on these two phases would decrease the failing overtime and reduce expenses by producing a needy product or service. This stage MUST NOT be ignored to generate more business and desired results.
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