Prototyping

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A common way to fulfill the goals of the inception phase is prototyping. Based on the experience gained from developing a prototype, project teams can make better technology decisions, create better designs, and build better implementations. Usually a prototype is a basic implementation of functionality to show whether a solution is feasible within given constraints. It is commonly used to evaluate the following:

  • Unknown or new technologies
  • Performance of hardware or software implementations
  • Usage of system resources
  • Alternative solutions

When the prototype is completed, two scenarios are possible: Either the prototype is thrown away and development starts over from scratch, or the prototype is evolved into the product. In the latter case the prototype undergoes a design and functional review, and adjustments are made where necessary to lead into a product.

The prototype developed throughout this chapter will be used only to evaluate feasibility and will not undergo further quality measurement to lead to product code in later iterations.

More about Prototypes

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The use and lifecycle models for prototypes are described in Steve McConnell's books Rapid Development (Redmond, WA: Microsoft Press, 1996) and Code Complete (Redmond, WA: Microsoft Press, 1993). Another good reference is The Engineering of Software, by Dick Hamlet and Joe Maybee (Boston, MA: Addison-Wesley, 2001). Readers interested in the definition of prototypes in terms of the Software Engineering Institute's Capability Maturity Model (CMM) will find Pankaj Jalote's book CMM in Practice (Reading, MA: Addison-Wesley, 1999) very helpful.

Introducing .NET

Introducing Software Engineering

A .NET Prototype

Project Planning

The Photo Editor Application

GDI+ Graphics Extensions

Advanced GDI+ Operations

Dynamic Loading of Components

Accessing System Resources

Performance Optimization, Multithreading, and Profiling

Building the Web Application with ASP.NET

Security and Database Access

Product Release



. NET-A Complete Development Cycle
.NET-A Complete Development Cycle
ISBN: 0321168828
EAN: 2147483647
Year: 2005
Pages: 123

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