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When making reservations for Cloud services, consumers and providers need to establish service-level agreements through negotiation. Whereas it is essential for both a consumer and a provider to reach an agreement on the price of a service and when to use the service, to date, there is little or no negotiation support for both price and time-slot(More)
The number of cloud service users has increased worldwide, and cloud service providers have been deploying and operating data centers to serve the globally distributed cloud users. The resource capacity of a data center is limited, so distributing the load to global data centers will be effective in providing stable services. Another issue in cloud(More)
As various consumers tend to use personalized Cloud services, Service Level Agreements (SLAs) emerge as a key aspect in Cloud and Utility computing. The objectives of this doctoral research are 1) to support a flexible establishment of SLAs that enhances the utility of SLAs for both providers and consumers, and 2) to manage Cloud resources to prevent SLA(More)
In cloud computing, a cloud management platform need to deal with three main aspects of the system: price, service performance, and resource utilization. They want to maximize profit while guaranteeing service performance agreed upon service level agreement (SLA), and increasing resource utilization. These multiple objectives of a cloud provider are(More)
Since participants in a Cloud may be independent bodies, some mechanisms are necessary for resolving the different preferences to establish a service-level agreement (SLA) for Cloud service reservations. Whereas there are some mechanisms for supporting SLA negotiation, there is little or no negotiation support involving price, time slot, and QoS issues(More)
Cloud broker concept is considered as one of solutions for federating distributed multi-Cloud. In order to design and realize a Cloud brokerage system, we need to devise establishment and management of SLA (Service Level Agreement). Whereas a SLA negotiation in a Cloud is assumed to be a basic functionality to establish a SLA, there has been some lack of(More)
In the past few years, cloud computing has been realized and has achieved advancement. Sincemany cloud systems and providers have been deployed in this world, various models and platforms have been developed to support multiple cloud (i.e., multi-cloud) environments (e.g., inter-cloud, federated cloud, distributed cloud, hybrid cloud, multi-cloud management(More)
To find best-matching cloud, customer should contact many cloud service provider portals. And Consumer's requirements are getting more complex and divers, at the same time, the service configuration are also more complex and needed to be customized for each customer to provide optimal service. To improve upper problems, we defined integration architecture(More)