Software maintenance can be hell. I'm sure that many developers have opened up an existing codebase, only to be greeted with a plethora of packages. You can usually see in excruciating detail the kinds of classes the software has.
Applying “web scale” patterns in the bol. com back office
Peter Paul van de Beek (IT Architect at bol. com) will show you in this session how we use “web scale” patterns to achieve scalability and flexibility in our back-office software.