Throw Away Prototyping:
Also called close ended prototyping. Throwaway or Rapid Prototyping refers to the creation of a model that will eventually be discarded rather than becoming part of the finally delivered software. After preliminary requirements gathering is accomplished, a simple working model of the system is constructed to visually show the users what their requirements may look like when they are implemented into a finished system.
Evolutionary prototyping:
Evolutionary Prototyping (also known as breadboard prototyping) is quite different from Throwaway Prototyping. The main goal when using Evolutionary Prototyping is to build a very robust prototype in a structured manner and constantly refine it. "The reason for this is that the Evolutionary prototype, when built, forms the heart of the new system, and the improvements and further requirements will be built
Incremental prototyping:
The final product is built as separate prototypes At the end the separate prototypes are being merged in an overall design
Extreme prototyping:
Extreme Prototyping as a development process is used for developing especially web applications. Basically, it breaks down web development into three phases, each one based on the preceding one
Advantages of prototyping:
Reduced time and costs: Prototyping can improve the quality of requirements and specifications provided to developers.
Improved and increased user involvement: Prototyping requires user involvement and allows them to see and interact with a prototype allowing them to provide better and more complete feedback and specifications
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