In industry, enterprises have many software systems to be modernized and made available as added-value services. Identification of migration strategies and practices for service engineering is critical for successful legacy migration, and SOA adoption in industrial setting. This paper presents the results of an interview survey on the migration strategies in industry. The purpose of this paper is twofold: 1) to discover the migration strategies that industrial practice adopts 2) to identify the benefits of making such strategies explicit. Results of the survey have been analyzed in terms of migration activities and the available knowledge assets. As a result, we generalize the practice of industrial migration into a Lean & Mean SOA migration strategy. In addition, the uses of the strategy pinpoint promising industry-relevant research directions.
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