This site is meant to be a useful place for people who have to deal with software architecture, especially for large, object oriented business systems. 

The focus is on Object/Relational Database Access Layers. This also contains a chapter on Enterprise Java Beans Persistence
you will find patterns on e.g. client/server architectures, layered architectures, exception handling on the ARCUS pattern pages or in my papers section
we have a section on building large  insurance systems
there's also a lot of useful links on patterns in general, software architecture, and software engineering books.
for upcoming and past events have a look at our events page.


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The site is maintained by Wolfgang Keller.

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