Web applications are business strategies and policies implemented on the Web through the use of User, Business and Data services. These tools are where the future lies. In this article, I'll take you through the essential phases in the life cycle of a Web application project, explain what options you have, and help you formulate a plan for successful Web application endeavors of your own. First, though, let's take a brief overview of Web applications.

There are many entities that require applications for the Web-one example would be Business-to-Business interaction. Many companies in the world today demand to do business with each other over secure and private networks. This process is becoming increasingly popular with a lot of overseas companies who outsource projects to each other. From the simple process of transferring funds into a bank account, to deploying a large scale Web services network that updates pricing information globally, the adoption of a Web applications infrastructure is vital for many businesses.

The Web application model, like many software development models, is constructed upon 3 tiers: User Services, Business Services and Data Services. This model breaks an application into a network of consumers and suppliers of services.