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Friday, November 20, 2009

Web Engineering Process

Choosing a process model is based on the attributes of the software to be developed.
If immediacy and continuous evolution are the primary attributes of WebApp, a web engineering team might choose an agile process model. If a WebApp is to be developed over a longer time period, an incremental process model might be chosen.

Defining a Framework :
Any one of the agile process models can be applied successfully as a WebE process. Before we define a process framework for WebE, three things must be kept in mind :
- WebApps are often delivered incrementally.
- Changes will occur frequently.
- Timelines are short.

WebE Process Framework :
- Customer Communication : Within the WebE process, customer communication is characterized by :
* Business analysis : It defines the business/organizational context for the WebApp
* Formulation : It is a requirements gathering activity involving all stakeholders. The intent is to describe the problem that the WebApp is to solve.
- Planning : The “plan” consists of a task definition and a timeline schedule for the time period (usually measured in weeks) projected for the development of the WebApp increment.
- Modeling :
Analysis model — establishes a basis for design.
* Content Analysis
* Interaction Analysis
* Functional Analysis
* Configuration Analysis
Design model — represents the key WebApp elements.
* Content design
* Aesthetic design
* Architectural design
* Interface design
* Navigation design
* Component design
- Construction : WebE tools and technology are applied to construct the WebApp that has been modeled.
- Deployment : The WebApp is configured for its operational environment, delivered to end-users, and then an evaluation period commences.

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