QoS (Quality-of-Service) is an important topic in cloud computing. It is very difficult to make a decision on choosing the cloud services depending on QoS requirements. These requirements have to be satisfied by both cloud service providers and cloud users. So, Optimal Service Selection is needed to obtain high quality cloud applications. With the increasing number of Cloud services, Quality-of...

Cloud service selection with multi-type cloud computing resources is a novel research and catching increasing attention. To help users efficiently select and integrate their desired cloud services, the agent-based computing paradigm has emerged. In this work, we propose an intermediary service agent model called ISAM which lets each intermediary service agent manage some clustered cloud service...

Composite cloud services based on the methodologies of Software as a Service and Service-Oriented Architecture are transforming how people develop and use software. Cloud service providers are confronting the service selection problem when composing composite cloud services. This paper deals with an important type of service selection problem, minimizing the total cost of providing a composite ...

The selection among Cloud services is a recent problem in research and practice. The diversity of decision-relevant criteria, configurability of Cloud services and the need to involve human decision-makers require holistic support through models, methodologies and tools. Existing Cloud service selection approaches do not address all stated difficulties at the same time. We present an approach t...

Recently, it emerges lots of cloud services in the cloud service market. After many candidate services are initially chosen by satisfying both the behavior and functional criteria of a target cloud service. Service consumers need a selection model to further evaluate nonfunctional QOS properties of the candidate services. Some prior works have focused on objective and quantitative benchmark-tes...

This research sets out to help computational modellers, to select the most cost effective Cloud service provider. This is when they opt to use Cloud computing in preference to using the in-house High Performance Computing (HPC) facilities. A novel Quality-aware computational Cloud Selection (QAComPS) service is proposed and evaluated. This selects the best (cheapest) Cloud provider‟s service. A...

Selecting an appropriate cloud service provider (CSP) is one of the most important challenges affecting sourcing performance. Although cloud computing (CC) relies on the principle of information technology outsourcing (ITO), it remains unclear if selection criteria for ITO provider hold true. Hence, the purpose of this research is to identify the most important criteria for the selection of clo...

Facing a customer market with rising demands for cloud service dependability and security, trustworthiness evaluation techniques are becoming essential to cloud service selection. But these methods are out of the reach to most customers as they require considerable expertise. Additionally, since the cloud service evaluation is often a costly and time-consuming process, it is not practical to me...