Redesigning legacy applications for the web with UWAT+: a case study

Authors:
Damiano Distante;Gerardo Canfora;Scott Tilley;Shihong Huang
Affiliations:
University of Sannio, Italy;University of Sannio, Italy;Florida Institute of Technology;Florida Atlantic University
Venue:
Proceedings of the 28th international conference on Software engineering
Year:
2006

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Abstract

This paper reports on a case study of redesigning a legacy application for the Web using the Ubiquitous Web Applications Design Framework with an extended version of its Transaction Design Model (UWAT+). Web application design methodologies hold the promise of engineering high-quality and long-lived Web systems and rich Internet applications. However, many such techniques focus solely on green-field development, and do not properly address the situation of leveraging the value locked in legacy systems. The redesign process supported by UWAT+ holistically blends design recovery technologies for capturing the know-how embedded in the legacy application with forward design methods particularly well suited for Web-based systems. The case study highlights some of the benefits of using UWAT+ in this context, as well as identifying possible areas for improvement in the redesign process and opportunities for tool automation to support it.