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RAD

Rapid Application Development
by

Bhushan Doifode

on 30 January 2013

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Transcript of RAD

BY
BHUSHAN DOIFODE
12030142057

ABHAY DESAI
12030142005 RAPID APPLICATION
DEVELOPMENT Contents Why Do You Need to be RAD?
What is Rapid Application Development (RAD)?
Why Do You Need to be RAD?
The History of RAD
Essential Aspects of RAD What is Rapid Application Development (RAD)? Lifecycle designed to give much faster development and higher-quality results Takes advantage of automated tools and techniques

Replaces hand-design and coding processes with automated design and coding

In addition to being more stable,RAD is a more capable process, as it is much faster and less error prone than hand coding. The History of RAD It is a process through which the development cycle of an application is expedited.

Rapid Application Development thus enables quality products to be developed faster, saving valuable resources. In response to these rigid, cascading, one-way steps of Stagewise or Waterfall Models of development, Spiral Model is introduced.

Spiral Model is a risk-driven, as opposed to code-driven, uses process modeling rather than methodology phases Tom Gilb’s Evolutionary Life Cycle is based on an evolutionary prototyping rationale where the prototype is grown and refined into the final product. The formulation of the methodology called Rapid Iterative Production Prototyping (RIPP) James Martin then extended the work done in RIPP which has become known as RAD Essential Aspects of RAD Construction - Also known as the Development Stage, this stage completes the construction of the physical application system, builds the conversion system, and develops user aids and implementation work plans.

Implementation - Also known as the Deployment Stage, this stage includes final user testing and training, data conversion, and the implementation of the application system. Requirements Planning - Also known as the Concept Definition Stage, this stage defines the business functions and data subject areas that the system will support and determines the system’s scope.


User Design - Also known as the Functional Design Stage, this stage uses workshops to model the system’s data and processes and to build a working prototype of critical system components. THANK YOU Fundamentals of the RAD methodology thus include: Fundamentals of the RAD methodology thus include: Combining the best available techniques and specifying the sequence of task that will make those techniques most effective

Using evolutionary prototypes that are eventually transformed into final product.

Using workshops,instead of interviews,to gather requirements and review design.

providing guidelines for success and describing ptfalls to avoid Methodology People The key players in a Rapid Application Development project include: Sponsor
User Coordinator
Requirement Planning Team
User Design Team
User Review Board
Training Manager
Project Manager Management Achieving high-speed development is a complex process

If bureaucracy and political obstacles stand in the way or if users are not appropriately involved

Management must be totally committed to RAD in order to manage the change in culture.

They must be prepared to motivate both users and IT staff

To successfully introduce rapid development, management must pay careful attention to human motivation. Tools The RAD methodology uses both computerized tools and human techniques to achieve the goals of high-speed and high quality.

Power tools are required to overcome the problems involved with software development

These power tools can change the methods of construction by using design-automation techniques, code generation, and computer aided planning and analysis.

The power tools utilized in Rapid Application Development are Computer-Aided Systems Engineering (CASE) tools. RAD LifeCycle Peoples Sponsor - A high-level user executive who funds the system and is dedicated to both the value of the new system and to achieving results quickly.

User Coordinator - A user appointed by the Sponsor to oversee the project from the user perspective.

Requirements Planning Team - A team of high-level users who participate in the Joint Requirements Planning workshop.

User Design Team - A team of users who participate in the design workshop. This team should be comprised of both high-level users from the Planning Team and lower-level users with a more detailed knowledge of the system.

User Review Board - A team of users who review the system after construction and decide whether modifications are necessary before cutover.
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