1. TAPAS meeting Application Hosting Requirements adesso AG Werner Beckmann 08.07.2002

2. TAPAS Meeting  08/07/02  Slide 2  © 2002 adesso AG Application hosting experience 1.adesso’s part in tapas 2.adesso hosting experience  ASP contract contents  Example: Telecommunication Company  Current ASP problems 3.B2B marketplace requirements  Motivation  Auction scenario  Trust management  Requirements  SLAs 4.SLA handling Agenda

3. TAPAS Meeting  08/07/02  Slide 3  © 2002 adesso AG Application hosting experience adesso has done:  Research of the ASP market and SLAs contents  Research of B2B market places To do until the end of September:  Incorporate feedback  Further work on details  Distribution issues Next step starting at month 18:  Auction application development  Case studies and evaluation adesso part in tapas

4. TAPAS Meeting  08/07/02  Slide 4  © 2002 adesso AG Application hosting experience  System support  Service Level -Availability -Security -System performance -Tracking and reporting -Backup-recovery solution  Termination conditions  Penalties  Problem management ASP contract contents

5. TAPAS Meeting  08/07/02  Slide 5  © 2002 adesso AG Application hosting experience Group of House Building Societies  Intercorporate portal offering appartment information  Flat search engine (Java, XML)  Content Management System FirstSpirit  ASP as an Enterprise Application Integrator (XML interface) Regional Credit Institute  „Car financing calculator“ (J2EE, XML, XSL)  Content Management System FirstSpirit  Access statistics of the web presentation Examples

6. TAPAS Meeting  08/07/02  Slide 6  © 2002 adesso AG Application hosting experience Telecommunications Company Applications  Extranet application binding resellers to the internet portal as a shop-in-shop system  “Digital Bill” allows the wholesalers to download single connection records and bills for their customers Solution  Flexible software architecture, integrating new and complex functionalities (Java, XML, XSL)  Elaborate security concept  Content Management System FirstSpirit  Hosted in Dortmund Examples

7. TAPAS Meeting  08/07/02  Slide 7  © 2002 adesso AG Application hosting experience Roles in the resellers scenario  customer, sending an order via Internet to the telecommunications company  reseller, -collecting the orders from customers -completing and sending orders to the telecommunications company  telecommunications company, handling the orders  ASP hosting the applications, database server, web server, CMS server  ISP, offering an Internet access Example: Telecommunications Company

8. TAPAS Meeting  08/07/02  Slide 8  © 2002 adesso AG Application hosting experience Example: Telecommunication Company

9. TAPAS Meeting  08/07/02  Slide 9  © 2002 adesso AG Application hosting experience Current ASP problems

10. TAPAS Meeting  08/07/02  Slide 10  © 2002 adesso AG Application hosting experience Current ASP problems  Reporting and monitoring ASP performance  Key service levels are to be defined  Penalty function is to be refined  Performance SLA definition relating QoS  Tool for the specification of SLAs necessary  Outsourcing and security -Authentication -Data protection -Fulfilment of SLAs clauses

11. TAPAS Meeting  08/07/02  Slide 11  © 2002 adesso AG B2B marketplace requirements Motivation level 1 Presentation  One-to-One Marketing  Customized to user  Account inquiry  On-line transactions  Reports & statistics  Dynamic content  On-line brochure  Static content Complexity, Interoperability Business Value level 2 Communi- cation level 3 Transaction level 4 Integration

12. TAPAS Meeting  08/07/02  Slide 12  © 2002 adesso AG B2B marketplace requirements Motivation  Centralised approach inadequate for distributed hosting solutions  Auction scenario -high demands on security and responsiveness -distributed execution environment -trust management: fraud problems  Middleware services for inter-organisational interactions necessary

13. TAPAS Meeting  08/07/02  Slide 13  © 2002 adesso AG B2B marketplace requirements Auction scenario Seller Marketplace / Auctioneer Buyer ASP ISP SSP Credit Rating Agency Retail Bank CSP TTP Legend: SLArolecontract

14. TAPAS Meeting  08/07/02  Slide 14  © 2002 adesso AG B2B marketplace requirements  Buyers, sellers -privacy, data security -time, information and opportunity fairness -safe transactions with multiple partners  Auctioneer -detailed reporting on user and service provider behaviour -easy modifications of application and service provider configuration -reporting on SLA fulfilment Auction scenario

15. TAPAS Meeting  08/07/02  Slide 15  © 2002 adesso AG B2B marketplace requirements  ASP -QoS assurance -High-availability, timeliness -Monitoring SLA fulfilment for service providers and clients -Detection of service changes without permission -Easy migration of applications for: Server changes (different machine, clustering) Database changes Distribution -Scalability -Low costs Auction scenario

16. TAPAS Meeting  08/07/02  Slide 16  © 2002 adesso AG B2B marketplace requirements  Service providers -Assurance of privacy for vendors -Assurance of the provision of the specified service -Accounting  CSP -Authentication  TTP -Assurance of the authenticity of the reports -Fraud detection Auction scenario

17. TAPAS Meeting  08/07/02  Slide 17  © 2002 adesso AG B2B marketplace requirements  Auctions involve multiple parties: auctioneer, buyers, sellers  These parties have conflicting interests  Auctions involve private information: bids, fraud patterns  Auctions involve computation on this information -execution of the auction -decisions on bids -recognition and suppression of fraud Trust management

18. TAPAS Meeting  08/07/02  Slide 18  © 2002 adesso AG B2B marketplace requirements Trusted Third Party (TTP) Authentication  email address  postal address  telephone number (e.g. VeriSign)  electronic signature (Quality Certificate acc. to EU standard) Accepted TTP  clearinghouse  certified company Trust management

19. TAPAS Meeting  08/07/02  Slide 19  © 2002 adesso AG B2B marketplace requirements Trust management

20. TAPAS Meeting  08/07/02  Slide 20  © 2002 adesso AG B2B marketplace requirements  Authentication, privacy and anonymity of participants  Secrecy of bids and strategies  Controllable revelation of information about the auction including the final result  The autonomy of the payment for goods traded  Authentication by participants and stakeholders that any given auction actually followed the above rules Auction requirements

21. TAPAS Meeting  08/07/02  Slide 21  © 2002 adesso AG B2B marketplace requirements Reliability oriented requirements  high availability  failure recovery  fault tolerance Performance oriented requirements  timeliness of execution  relative processing speed Security oriented requirements:  authentication  privacy Auction requirements

22. TAPAS Meeting  08/07/02  Slide 22  © 2002 adesso AG B2B marketplace requirements SLAs ASP SLA A Service Level Agreement (SLA) is a legal contract that specifies the contractual deliverables, terms and conditions between service providers and service customers.

23. TAPAS Meeting  08/07/02  Slide 23  © 2002 adesso AG B2B marketplace requirements SLAs Customer Net Infra- structure Net Infra- structure Access Billing Services Billing Services Hosting Application Service Customer Manage- ment Customer Manage- ment Marketing NSP / ISPISService ASP single SLA...end-to-end SLA through ASP contract

24. TAPAS Meeting  08/07/02  Slide 24  © 2002 adesso AG B2B marketplace requirements  Percentage of transactions completed within defined Performance Levels, %  Availability of applications on the network (Access), %  Availability for varying time regimes, %  Window of performance, timeframe  Application response time during peak periods, ms  Peak periods details, timeframe  Network round trip time (Delay), ms  Message delay constraints for offers and bids, ms  External memory access time, ms SLAs Examples for QoS

25. TAPAS Meeting  08/07/02  Slide 25  © 2002 adesso AG SLA handling  Specification and design of SLAs  Deployment of middleware components  Monitoring for periodic inspection and reporting to customer -Application messaging mechanism on SLA fulfilment -Transparent availability and traffic monitoring for an ASP graphical representation implemented as a Web Service  What about standards? OSS/J? Visual Tool for ASP

26. TAPAS Meeting  08/07/02  Slide 26  © 2002 adesso AG ASP Hosting Requirements Thanks for your attention! Discussion End

27. TAPAS Meeting  08/07/02  Slide 27  © 2002 adesso AG SLA handling  DigitalFuel ServiceFlow Platform -web-based tool that in principal offers to monitor SLA fulfilment based on web server log files -each Service Level Objective can be parameterized to reflect realistic service levels and accommodate conditions  ILOG JRules -Rule Engine that can be integrated into J2EE environments -could be used for SLA specification -ILOG developed a SLA/QoS module within a OSS/J project Examples for Visual Tools

28. TAPAS Meeting  08/07/02  Slide 28  © 2002 adesso AG ASP Hosting Requirements IP VALUE GmbH  Development and distribution of solutions for ip-based value-added services OSS Service Activation API I  Sun‘s OSS Service Activation API Implementation http://www.ip-value.de/www/en/index.html http://www.e-spirit.de/ The e-Spirit Company GmbH Consulting, design and development of Content Management Systems References