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Applied Technology in a Composite and Definable SaaS Billing Mechanism Supporting Optimized Utilization of Resource

SaaS applications are different from traditional software for their delivery mode and for their business model called Pay-as-You-Go, which allows service vendors to provide services to customers with appropriate services which are exactly needed to fulfill the requirements. As a result, there is a need of a new metering and billing mechanism to implement such business model. The paper proposes a composite and definable SaaS billing mechanism supporting optimized utilization of resource with the instruction of the related model and process. The mechanism supports metering and billing SaaS subscription through user license, duration time, use times, use resource, function used, or the composition of them. Therefore it is suitable for customized tenants of most SaaS applications.