In one embodiment, a plurality of connections couple to a plurality of service providers (SPs) that each provide services at a cost. The cost of the services of each SP is determined according to a tiered pricing structure that includes one or more tiers. Each tier correlates a particular amount of data...http://www.google.fr/patents/US7920479?utm_source=gb-gplus-shareBrevet US7920479 - Cost minimization of services provided by multiple service providers
Cost minimization of services provided by multiple service providers