1. Accounting, billing & payment Support for financial exploitation of network-based services Henk Jonkers Telematica Instituut Enschede, the Netherlands jonkers@telin.nl

2. Outline Context: TI research, GigaPort, GigaABP Roles interacting with FinEx system Functional reference model Multi-level and inter-domain accounting From service model to charging model Example: Video-over-IP

3. Telematica Instituut: research areas Telematics services BusinessBusiness InformationretrievalInformationretrieval CollaborationCollaboration Economic and societalrelevance societalrelevance Telematics systems Telematics applications Middle - ware Middle - ware

4. GigaPort project organisation GigaPort-Network infrastructure GigaPort-Applications applications Next generation Internet in the Netherlands Knowledge advancement Pilot projects

5. Context: AB&P in TI / GigaPort projects Content-based accounting & billing Emphasis on network- level accounting Electronic payment Bill presentment AB&P for service usage Functionality for supporting financial exploitation of services

6. Roles: interaction system External FinEx System [*] Application / Front-end Service Provider Authentication & Authorisation Server Receiving Back-end Service Provider [*] Paying Back-end Service Provider [*] FinEx System User [*]

7. User FinEx System Accounting Information provisioning Pricing Billing Acct. Data Acquisition Charging Payment Receiving back-end provider Paying back-end provider Front-end service provider Authentication & authorisation server External FinEx system Decomposition

8. AcctAuthen Metering ASM Author Billing Payment AAA Acct Billing Payment FinEx Metering AuthenAuthor AA Our picture vs. AAAARCH picture

9. Functional reference model

10. Functional reference model: accounting data acquisition Accounting data acquisition Metering Collecting

11. Functional reference model: billing Billing Bill preparation Bill presentment

12. Functional reference model: accounting Accounting Configuration Session management timing Acquisition management Archive management Access control Account management

13. Middleware Network MeteringCollectingAccounting Control Finance Resource management Push/pull Application AB&P at several levels

14. Intra-domain accounting Network operators Subscriber Accounting service Subscriber Content owner Metering

15. Outsourcing - multiple owners Network operators Subscriber Content owner Content owner Accounting service provider (TTP) Accounting service (network operator), billing Subscriber

16. Brokerage and inter-domain accounting Subscriber Network operators Accounting service Content owner Accounting service Content broker Content owner Accounting service

17. Usage: network Termination Hook phone Hook phone Access to network Unhook phone Unhook phone Usage: call No dial tone Fixed telephone service Termination Unsubscribe Remove connection Remove connection Access Request connection Request connection Obtain connection Obtain connection Usage: network Service behaviour model

18. fixed periodic variable f p vf p v ch.u. f p vf p v chargeble unit ch.u. Fixed telephone service fixedperiodicvariable call f p vf p v connection fee monthly subscription call setup charge per minute From service model to charging model: Charging trees metering requirements

19. Media Distribution Search & Retrieval Media Management Asset Management Billing & Accounting Indexing Metadata End-users Content Provider Digitising Metadata Example: Video-over-IP (VIP)

20. Provider End User Payment Provider Accounting, Charging & Billing Service Provider Video Producer Advert. Producer Service provisioning level Video Store Portal Video and Provider Added Value Advert. Provider Deployment Service exploitation level VIP roles

21. Billing service Info Provisioning service Billing scheduler End-User interaction handler Offer Generating service Profiling service End-user Pricing Engine service VideoCharger streaming service Charging service ACB service Session manager Event logging service Payment Provider VPP Deployment provider ACB service provider VIP ACB service - design

22. Output from interactive viewing $0.20 $1.00... $0.30

23. VideoStore Access Obtain login Termination Video on Demand service usage Video on Demand service usage Termination Logout Video service usage session Access control Authent. Login Video service usage session Usage: Content viewing Term. Access: Search & retrieval service No success VIP service behaviour model

24. Legend service unit content unit p charge type description parameters fv Video store services Video Store Monthly subscription v price per item Search & retrieval service FF Rew. Pause Max. price per session Content streaming service Play User profile Usage history Movie slice Price per function call Commercial Price in contract Minimal VCR functions Metadata Reg. fee fpv v v Special VCR functions fff v v v f v Charging tree for streaming video service

25. Simulation model of Jalda application