Customer Centric Cloud Service Model and a Case Study on Commerce as a Service

This paper proposes a cloud service model that centers around customer business requirements. The model covers the customers´ subscribed services and the service providers´ offered cloud services. It covers the relationship among offering versus subscription, cloud infrastructure service versus cloud application service, configuration versus customization of cloud services, etc. It then depicts a customer centric cloud service model which models the artifacts of enterprises owned by public serving cloud services. It´s an extension of enterprise services to open service ecosystem leveraging the latest technical innovation of cloud computing. Later, this paper carries out a case study on an IBM software group ongoing project, commerce as a service, which aims to provide e-commerce functions as services over a cloud infrastructure.