SOA: Important facts to create a stable architecture

A SOA is often defined as death. But in most cases, failures are already made in the planning phase, because of a nonexistent process optimization. Often it is said: „Hey, let’s make a SOA.“ A further Problem: The responsibility for a SOA is often fully assigned to the IT department, due to the fact that they will know what is needed. This is fundamentally wrong, because the organisation and process optimization belongs to the general management respectively to a delegate department/ team. The IT department should advise the business actively and has to show how the information technology can help at this point to reach the goal.

Afterwards the IT functionality must be established as a service to support business critical processes and design a stable SOA. Therefor following aspects must consider during the implementation.

  • loose coupling: A less degree of multiple hard- and software components among one another
  • distributable: The system should not be confined locally
  • a clear definition: An explicit requirements definition is indispensable
  • divisibility: The entire system can be divided into subcomponents
  • commutability: The individual subcomponents can be replaced

And at least standards, standards, standards

About the Author

Rene Buest is Gartner Analyst covering Infrastructure Services & Digital Operations. Prior to that he was Director of Technology Research at Arago, Senior Analyst and Cloud Practice Lead at Crisp Research, Principal Analyst at New Age Disruption and member of the worldwide Gigaom Research Analyst Network. Rene is considered as top cloud computing analyst in Germany and one of the worldwide top analysts in this area. In addition, he is one of the world’s top cloud computing influencers and belongs to the top 100 cloud computing experts on Twitter and Google+. Since the mid-90s he is focused on the strategic use of information technology in businesses and the IT impact on our society as well as disruptive technologies. Rene Buest is the author of numerous professional technology articles. He regularly writes for well-known IT publications like Computerwoche, CIO Magazin, LANline as well as Silicon.de and is cited in German and international media – including New York Times, Forbes Magazin, Handelsblatt, Frankfurter Allgemeine Zeitung, Wirtschaftswoche, Computerwoche, CIO, Manager Magazin and Harvard Business Manager. Furthermore Rene Buest is speaker and participant of experts rounds. He is founder of CloudUser.de and writes about cloud computing, IT infrastructure, technologies, management and strategies. He holds a diploma in computer engineering from the Hochschule Bremen (Dipl.-Informatiker (FH)) as well as a M.Sc. in IT-Management and Information Systems from the FHDW Paderborn.

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