Advantages And Disadvantages Of Waterfall Management

The incremental model is an intuitive approach to the waterfall model. Multiple development cycles take place here, making the life cycle a “multi-waterfall” cycle. Cycles are divided up into smaller, more easily managed iterations. Each iteration passes through the requirements, design, implementation and testing phases. A working version of software is produced during the first iteration, so you have working software early on during the software life cycle. Subsequent iterations build on the initial software produced during the first iteration.

Define Stage: Benchmark and baseline the process. Structure and decompose the process into controllable sub-processes.

It 's important to say that for more fickle projects, auxiliary frameworks exist for thoughts regarding project management, particularly the spiral model (Melonfire, 2006). The Spiral Life Cycle Model is a kind of iterative software development model which is normally put into practice in extreme risk projects ("Spiral," n.d.). In this system development method the aspects of both, waterfall model and prototype model are united. In the spiral development model the activities can be arranged in the form of a spiral ("Spiral," n.d.).

Fisk, B., How Pareto Charts Can Improve Quality of Business Processes, retrieved 8 June 2013 from: http://www.bia.ca/articles/qm-pareto-charts.htm

On the other hand, the quality characteristics which are must be maintained by the software are known as non-functional requirements. The functional requirements of the software are must be tested at the beginning phase but the security requirements, reliability and safety requirements (Non-functional requirements) are tested after the end of propose process.

In the last phase, the verify phase, the team validates the design, implements a pilot to confirm expected results, and verifies that the process output meets the expectations of all stakeholders (Bozarth & Handfield, 2008).

Waterfall Model operates in a waterfall process tree. It has various phases such as requirement, design, implementation, verification, and maintenance that provide a successful execution to any system development. This model can be used in the development of frequent shopper program

System development lifecycle is a model that contain a series of steps or stages that involved in the development of a project in other words System development lifecycle is a detailed process requiring careful planning, execution and management

Using the waterfall approach the system developers will be able to focus on one piece of the system and move on each part separately. This will give the design team more time to focus on small sections of the new coding. Moving from one stage to the next means that each step has been checked thoroughly and is completed.

The waterfall lifecycle was the first process model to be introduced and widely known. It is also known as the linear-sequential

and prepare phases of an operation. This eight-step procedure applies the logic of visualize, describe, and

The waterfall model consists of five phases such as requirements, Design, implementation, verification and maintenance. The method is a sequential design process where progress is seen as flowing downwards in a steadily manner, each development phase has its own distinct goals. The model is similar to water flowing down a cliff it can only flow in one way and cannot go back up it is the same with waterfall development ,after a development phase is completed it proceeds to the next development phase you cannot go back.

SDLC stands for the systems development life cycle. It is a conceptual model used in project management that describes the stages involved in an information system development project, from an initial feasibility study through maintenance of the completed application. There are five steps to the SDLC, which are planning, analyze, design, implementation, and maintenance. The Boehm- Waterfall Software engineering methodology is the waterfall software contains stages that hold stages of system requirements, software requirements, preliminary and detailed design, implementation, testing, operations, and maintenance. SDLC and the Boehm-Waterfall methodology are extremely similar, however the Boehm-Waterfall is a detailed methodology and also includes validation at each stage where SDLC does not have either of those advantages.

The Waterfall Model is a sequential design process, often used in software development processes, in which progress is seen as flowing steadily downwards (like a waterfall) through the

Though many people interchange system engineering models and software engineering life cycle models, they are defined as two different approaches to software development. System engineering is the technical and technical management process that results in delivered products and systems that exhibit the best balance of cost and performance. As the program progresses from one phase to the next one, so does the system engineering process. It deals with the overall management of engineering project during their life cycle. Its main focus is knowing what the clients and end users wants and needs are satisfied and developing just that all the way through the system’s entire life cycle. Whereas, on the other hand, software engineering focuses on the quality of the product or system, how cost effective it is, is it done within the time-constraints given, whether it is easy to maintain and enhance, and does it work as the requirements defined. Its main focus is on delivering a product that meets the requirement specifications. There are so many models to choose from, as it all depends on what the project needs and entails. Depending on the requirements, allows for the choice of what mode to use.