Alahmari, Saad, Zaluska, Ed and De Roure, David
A Service Identification Framework for Legacy System Migration into SOA.
In, IEEE SCC 2010 - 7th International Conference on Services Computing, Miami, Florida, USA,
05 - 10 Jul 2010.
Service-Oriented Architecture (SOA) enables the re-engineering and migration of legacy software systems into loosely-coupled and interoperable sets of services. Existing approaches focus mainly on defining coarse-grained services corresponding to the key business requirements. An improved migration of legacy systems onto SOA-based systems requires identifying the ‘optimal’ services with an appropriate level of granularity. This paper proposes a novel framework which identifies the key services effectively. The framework approach focuses on defining these services based on a Model-Driven Architecture approach supported by a SOA meta-model. Effective guidelines are proposed for identifying the optimal service granularity over a wide range of possible service types.
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