Rainer Gimnich is an Executive IT Architect, certified within IBM and The Open Group. He joined IBM in 1986 and has been working as a Software Engineering expert in various positions. He is now with IBM Software Group, in the world-wide SOA Advanced Technologies team, focusing on business-driven SOA design and legacy transformation to SOA. Prior to this assignment, Rainer was an IT Architect in IBM Global Business Services for the finance industry, Frankfurt, and he was Lead Architect in the international IBM offering on Euro currency transition, in Stuttgart. Previous positions were Research Staff Member at the IBM Heidelberg Scientific Center - leading software reengineering, software reuse und usability engineering projects - and developer and tester for operating systems software at the IBM Lab in Boeblingen. Rainer has authored more than 20 scientific publications, and he is co-chairman of the German Informatics (GI) working group on Software Reengineering.

Presentation
SOA Migration in Practice: Methods, Tools and Projects
One of the attractive features of a Service-Oriented Architecture is its evolutionary nature. Business areas and applications can be transformed into service architectures in a step-wise manner. Each migration step must be aligned with the enterprise architecture and transformation strategy and yield business value of its own.

In addition, there is Legacy-to-SOA (L2SOA) method support for analyzing and potentially leveraging existing assets, e.g. by transforming them into functions that can be used for service implementation, thus enhancing reliability and cost-effectiveness.

Several SOA project examples will show how the SOA migration complexity can be reduced in practice:
using Enterprise Architecture transition
planning and SOA Governance methods;
using proven SOA design methods and tooling as the basis for SOA migration;
exploring Legacy Transformation methods and tools and integrating them into SOA design.

The projects feature different SOA migration approaches (top-down driven, bottom-up driven) in different industries, including Banking and Electronics.

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