Development of a framework for redevelopment of the central, Web-based applications of the customer. Implementation of the MVC pattern with a separate framework using Velocity for the interfaces. Actions and involved parameters are declared, the framework processes these generically and provides the data to the business logic bundled in the form of beans.Implementation of a bean-based persistence system. Beans are declared; generic processing is performed in the persistence framework based on the declaration. Features of the framework are: Representation of relationships, filling of bean trees, persistence in the DB, file system, LDAP, ..