Paper Title
Towards a New Model For Cloud Services Performance Evaluation: Cloud Service Acceptance Model (CSAM)

Abstract
Cloud computing is to deliver the software and the hardware over the Internet. Cloud computing provides software, hardware, communication, infrastructure, platform, and data storage services owned by the Cloud Service Provider (CSP) that do not require end cloud user knowledge of the physical location and configuration of the system that delivered the services. The only way for the cloud users to get the service is through the datacenter of the Cloud Data Storage (CDS). A Cloud Service Acceptance Model (CSAM) is to evaluate these services in term of perceived security, perceived ease-to-access, perceived usefulness predict cloud applications usage and perceived quality to evaluate the overall performance is proposed. Cloud performance evaluation is of special importance and this evaluation can help cloud users make right decisions. In this paper, an overall perspective on cloud evaluation components and highlight it with help of simulation are provided. For this purpose, two major cloud computing components performance of cloud users and CDSs are studied, and the evaluation of cloud performance in case study considering these components is analyzed. Keywords� Cloud Computing; Cloud Data Storage; Cloud Service Provider; Cloud Service Acceptance Model; Perceived security; Perceived ease-to-access; perceived usefulness and perceived quality.