IT Architecture Practitioners Conference  Europe 2006, Barcelona, Spain The Open Group
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  Jan Wilmaers, Principal Consultant Inno.com    

Jan Wilmaers is a principal consultant, and is responsible for the development of the EA practice within Inno.com. With an engineer background and an MBA, he has provided consultancy services for the set-up of Enterprise Architecture practices with the financial services, public and telecom sector. Currently, he is leading the set-up of a business architecture group within a large government organization.

   
 

Presentation
Introducing SOA into Large Organizations
The presentation is based on some concrete work done in recent years with the introduction of service orientation within a large financial services organization, with some additional lessons learned from the public and telecom sector. A clear business driven approach was taken, in which business drivers as increased product flexibility and time to market leads to a strong pressure on IT to take a more architectural approach, with SOA as main architectural paradigm. An Enterprise Architecture framework was chosen as key instrument to guide the development and implementation of the SOA roadmap (as-is, to-be, architectural initiatives). Steps taken were:

  1. definition of architectural vision and re-alignment of some major re-engineering projects with this vision.
  2. set-up of global architectural framework and definition of architectural roles (enterprise, project)
  3. alignment of long term architectural vision within business decision framework (strategy, budgets).

As a conclusion, some of the lessons learned are illustrated:

  1. SOA (as any major architectural initiative) requires a clear embedding within the global organizational context with impact on all levels (technology, people, processes).
  2. Be clear about architectural objectives and drive their implementation in a highly pragmatic and iterative fashion.
  3. Introduction of SOA requires a cultural change with the Enterprise Architect as facilitator and coach of the organization.

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