contributions (each independent)
provider flexibility
- cheap generalised packet charging systems
- charging for quality, multicast, mobile
fine-grained market- not provider-control
- complete exposure of price algorithm
- market control ? guaranteed serendipitous service
- SLA ? guaranteed refund, no serendipity
admission control, policing & charging removed from network
- ? commercial not just technical openness
- synthesis of business models from fine grains