A Survey of Research into Legacy System Migration
Jesús Bisbal, Deirdre Lawless, Ray Richardson, Donie O’Sullivan, Bing Wu, Jane B. Grimson, Vincent P. Wade · 2007
Legacy information systems typically form the backbone of the information flow within an organisation and are the main vehicle for consolidating information about the business. As a solution to the problems these systems pose - brittleness, inflexibility, isolation, non-extensibility, lack of openness etc. - many companies are migrating their legacy systems to new environments which allow the information system to more easily adapt to new business requirements. This paper presents a survey of research into Migration of Legacy Information Systems. The main problems that companies with legacy systems must face are analysed, and the challenges possible solutions must solve discussed. The paper provides an overview of the most important currently available solutions, and their main downsides are