1. 02.02.2004adesso AG 2004 TAPAS IAB meeting 1 TAPAS meeting Evaluation approach for TAPAS adesso AG Werner Beckmann 02.02.2004

2. 02.02.2004adesso AG 2004 TAPAS IAB meeting 2 adesso‘s part in TAPAS Identification of application hosting requirements Support and feedback for design and implementation Evaluation of techniques, tools and methods Report: D1 (various) Reports: D12, D13, D14 Application: D15

3. 02.02.2004adesso AG 2004 TAPAS IAB meeting 3 How can we evaluate the results? Results in different areas –SLA modelling –Trust management, contract enforcement –QoS-aware middleware –Networking Approach: –Apply the results to a real-world scenario –Implement a dedicated application & host it  But what type of application?

4. 02.02.2004adesso AG 2004 TAPAS IAB meeting 4 Technically demanding regarding QoS -Multi-user, highly interactive -Time-critical Economical relevant -Industrial relevant auction applications exist: Car manufacturers (DaimlerChrysler, Volkswagen, …) Procurement in other sectors (Schindler, GE) -Promising approach for SME -Various forms, procurement: reverse auctions Auctions

5. 02.02.2004adesso AG 2004 TAPAS IAB meeting 5 Participants and relations Auction application owner User (Supplier) Auctioneer (Manufacturer) Business Service ASP ISPSSP Organization Keys: ElectronicService SLA Hosting SLA Communication SLA Service Provider Hosting SLA Persistence SLA Terms & Conditions ElectronicService SLA User (Supplier) SLA Trusted Third Party Monitoring

6. 02.02.2004adesso AG 2004 TAPAS IAB meeting 6 ASP Technical overview J2EE Application Server Network controller SLA modelling techniques & tools, SLAng Contract Monitoring Auction application TAPAS extensions (conf., monitoring, …) SLAs Foreign Services xcontracts Storage server Trust mgmt. Implicit usage dependency component Process step

7. 02.02.2004adesso AG 2004 TAPAS IAB meeting 7 Outlook Final evaluation reports will be based on experiences from building and running the application Auction application –Prototype in March –Implementation till summer –Subsequent hosting and demonstration (Sept.) –Frequent interactions and early integration with partners

8. 02.02.2004adesso AG 2004 TAPAS IAB meeting 8 Thank you for your attention! End

9. 02.02.2004adesso AG 2004 TAPAS IAB meeting 9 SLA contents Electronic Service SLA –Identifies client and server obligations on a business layer Invocation of service “place bid” must not exceed 100 calls / min during work days from 9 AM to 5 PM service “place bid” must be be executed within max. 2s during work days from 9 AM to 5 PM Hosting SLA –More technical oriented Memory usage, …