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Cloud computing and service computing can be integrated into a distributed computing platform which provides a set of services to their users. Different services could cooperate with each other to accomplish more intricate tasks. However, third-party cloud services may cause failures or quality violation of workflow applications. Especially in some critical business scenarios, service performance...
Cloud services have been utilized in large-scale distributed environments. As an effective service aggregation methodology, workflow technology has been used to construct composite services. Efficient and dependable workflow scheduling (WFS) is crucial for integrating enterprise systems. While WFS has been widely studied, WFS-related algorithms are mainly focused on optimizing execution time or cost...
The disqualification of third-party cloud services has caused great threat to large-scale Enterprise Systems (ESs). Service Level Agreements (SLA) management is used to enhance Quality of Service (QoS) in an effective way. Conventional service exception handling is triggered to deal with functional failure. However, in some critical business scenario, service failures and performance violations need...
Cloud federation has been proposed as a new paradigm that allows providers to avoid the limitation of owning only restricted amount of resources. Multiple cloud providers can cooperate to establish a cloud federation to support both internal users and public cloud users. Federation enhances providers' ability to serve for public cloud users. As a result of cooperation, cloud providers in federation...
Ip Multimedia Subsystem (IMS) is the key technology of the next generation network (NGN) and the optimal solution of mobile and fixed network convergence which is approved by the public. Home Subscribe Server (HSS) is not only the data center of the system, but also the key of supporting the user mobility and call controlling. Since the growth of user data, the capacity of HSS storage and computing...
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