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Using cloud computing for IT service provisioning has become a common practice over the last years. Besides basic infrastructure services, more advanced multimedia services with high Quality of Service (QoS) requirements are offered. To fulfill such requirements, appropriate cloud resources must be used for service provisioning. In this paper, we analyze different heuristic approaches to speed up...
With the development of cloud computing, many critical applications have been supported to provide many key services in the cloud computing. So the availability of cloud computing services turns to be higher and higher. Because resources of cloud computing are distributed, dynamic and heterogeneous, traditional research on availability cannot be good to adapt to the cloud computing new features. This...
IMS (IP Multimedia Subsystem) network has high demands from perspective of multimedia, flexible and interactive communications. Fulfillment of those demands, with appropriate levels of quality, is not a simple task. As usage of services has great progress lately, there is high demand for their interaction management. Authors suggest way of Next Generation Networks application level organization and...
In the public perception, cloud computing is frequently associated with almost unlimited elasticity and scalability of computing capacity. However, Infrastructure as a Service in the form of virtual machines provides limited supplies of virtual resources, due to restrictions of the underlying physical hardware. At the same time, the execution of Software as a Service instances leads to a specific...
The idea of the future Internet of Services is to combine several services of numerous service providers to new value-added services or applications. To sell these services on so-called service marketplaces the providers have to ensure both a high quality and a high quality reliability. But how could a provider of a composed service know the quality-reliability of his service without costly tests?...
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