Selecting Cloud Service Providers Based on SLA Assurance.

      Аннотация: Cloud-based services have become the backbone of IT industry nowadays and the promising technology that offers a commoditized service to the software, the platform and the infrastructure where they are delivered as a service. Because of different providers have started to offer a vast diversity of Cloud services, Cloud customers became unable to decide whose services they should use and what is the basis for their selection. Therefore, a legal contract is necessarily needed for negotiating these both Cloud parties. This contract is referred to Service Level Agreement (SLA).

Ключевые слова: Cloud Computing, KPIs, QoS, SLA, Cairo, Egypt, information system, Management Sciences, science, technology