There's a greater possibility of "feature creep" since the requirements are more fluid. There's no big launch at the very end that could be risky-you're constantly launching small pieces of code and getting feedback in real-time. It's much easier to pivot to a different set of requirements if the initial concept wasn't working since you always have a working product. You can release working software more quickly into the market, which could mean earlier revenue or user uptake. The agile approach can also lead to the "piecemeal effect" that occurs when pieces of code are defined and added to an existing application where they may not fit as well as they would have with better planning in advance.Ĭustomers have a voice throughout the entire process, and they tend to be more satisfied with (and invested in) the result. While projects with a clear scope could use the agile methodology, there tends to be less visibility in terms of time and budget. They use the agile methodology to learn what customers want through the continuous delivery of working software. For example, they might try one idea and pivot to another if it doesn't gain traction among customers. Many startups use agile development because they don't always know the full scope of their product at its onset. The Agile Methodology is a Series of Sprints (Above) - Source: DevCom You may also use the approach if your team isn't familiar with agile concepts. T ldr Waterfall development works best when there's a low level of uncertainty and a well-defined plan of action. Testers report issues and bugs later in the process, which means that there can be a lot of rework fixing them at the very end. There's minimal collaboration with customers, so there’s a risk that they will be surprised at the end with a product they didn’t expect. It might be challenging to outline all of the requirements at the beginning of the project, especially if you’re a startup without product-market fit. You can develop different systems in parallel since you know how the entire system will come together in the end. You know exactly where you are in the process.ĭocumentation provides a clear scope for the project, enabling managers to communicate budgets and timelines to stakeholders. Progress is easy to measure since you know the full scope of the project at the very beginning. There are detailed product requirements and documentation for new programmers to onboard quickly, and everyone knows what’s next. Since the scope of the project is unlikely to change, the waterfall methodology provides greater visibility. For example, an e-commerce business may wish to create an internal inventory tracking tool with a very specific set of features. The waterfall methodology is typically used by larger enterprises with a crystal clear idea of what they want to build. There are checklists and approvals required at each stage to ensure that the project is on track and there's a big (and risky) launch at the end. There's a lot of careful planning and documentation at the beginning and diligent execution of the steps needed to complete a robust final product. You can think of waterfall development as a NASA project. For example, a customer may need to approve the requirements before the design process begins, and then approve designs before development begins. The software development life cycle (SDLC) consists of steps with formal hand-offs from one stage to the next. The Waterfall Methodology is a linear and structured approach to project management.
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