in software engineering, a software development process is the process of dividing software development work into distinct phases to improve design, product management, and project management. a basic understanding of the fundamental business problem is necessary to avoid solving the wrong problems, but this is true for all software methodologies. rapid application development (rad) is a software development methodology, which favors iterative development and the rapid construction of prototypes instead of large amounts of up-front planning.
 the waterfall model is a traditional engineering approach applied to software engineering.  software development organizations implement process methodologies to ease the process of development. the international standard for describing the method of selecting, implementing and monitoring the life cycle for software is iso/iec 12207. a decades-long goal has been to find repeatable, predictable processes that improve productivity and quality.
in this post, i am kicking off a series that will not just review the major phases in the sdlc but will also dive into each phase and provide expert techniques that can be used to tune-up your own sdlc. the sdlc defines processes and procedures that help teams to avoid common pitfalls that would otherwise result in software rework and debugging. these phases have traditionally consisted of the following: an sdlc does not require that these phases be followed in a strictly waterfall manner but instead, many modern and successful development teams blend these phases together and then repeat them often. teams that utilize continuous integration servers and unit testing frameworks are able to test their code while it is under construction so that defects are discovered immediately rather than at the end of the development cycle. there is always the dynamic where there isn’t enough time to do everything that is needed to be done and teams under pressure start to cut corners. the very sdlc processes that are meant to be guardrails against common pitfalls that will be encountered. the trick of course, is to balance the processes in the sdlc so that they do not become overbearing and cost prohibitive which i will be discussing in upcoming posts.
skipping or minimizing any of these phases will result in an ineffective life cycle that will cost not just money but time and quality. in a product that has to live for 10 years or more (industrial automation for example that would be closer to 20), design for maintenance becomes crucial and is the largest part of the sdlc i often consider maintenance to be nothin more than a repeat of the sdlc. during a maintenance phase, there should be changes to or new requirements, updates to the design, software construction and testing before deploying the changes. there are certainly variations to how the sdlc is setup and there are more than one correct way to implement them. do you have reference material you would recommend to review when developing an sdlc? thanks for the comment! they have a free book that covers all the details of the sdlc. i’ve used several different unit testing frameworks in the pasts.
in that view, this paper presents a new, usability-software development life cycle model (u-sdlc) introducing abstract: this paper reveals the study of sub methods of the phases of sdlc i.e. software development life cycle. they are software development life cycle (sdlc) model, prototyping model, spiral model, object‐oriented methodology,, ieee software development plan, ieee software development plan, sdlc phases, sdlc models, software development life cycle abstract.
in this paper, we have proposed energy efficient software development life cycle ( sdlc) model which is composed by ieee xplore, delivering full text access to the world’s highest quality technical literature in engineering and technology. in that view, this paper presents a new, maintainable-software development life cycle model (m-sdlc) introducing, sdlc methodology, application development life cycle, software development standard, system development models, software engineering standards, iso standards for software development
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