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As an increasing number of infrastructure-as-a-service (IaaS) cloud providers start to provide cloud computing services, they form a competition market to compete for users of these services. Due to different resource capacities and service workloads, users may observe different finishing times for their cloud computing tasks and experience different levels of service qualities as a result. To compete...
Sensor network systems have received amounts of attention and become a common practice in many fields. These systems are commonly developed by non-standard technologies, which bring lots of difficulties in system integration and interoperability. To figure out this problem, an integrated sensor network system architecture based on Cloud computing is proposed, which offers anytime service to access...
It is typical for cloud providers to operate a number of geographically distributed data centers, where inter-data center traffic constitutes a large portion of a cloud provider's traffic demand over the Internet. Though such inter-data center traffic incurs substantial operational costs that are charged by ISPs, it varies significantly across different overlay links, raising the opportunity to optimize...
With the proliferation of mobile devices in both smartphone and tablet form factors, it is intuitive and natural for users to socially interact with their collaborators or competitors in multi-party conferencing, productivity, or gaming applications. In this paper, we make a case that such social interactions should be much more spontaneous to users in these applications. We design and implement a...
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