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We introduce SECURESTREAMS, a middleware framework for secure stream processing. Its design builds on Intel's Secure Guard Extensions (SGX) to guarantee the privacy and the integrity of the data being processed. Our initial experimental results of SECURESTREAMS are promising: the framework is easy to use, and delivers high throughput, enabling developers to implement complex processing pipelines in...
The rapid revolution of cloud computing model is accompanied by huge amounts of energy consumed by the cloud data centers. So, enhancing the energy efficiency of those data centers has become a major challenge. This paper tackles the problem of enhancing the energy consumption of cloud data centers by proposing a novel virtual machine placement strategy. The proposed strategy suits both static and...
Self-adaptive applications are engineered to adapt to operation conditions to continuously meet application requirements at run-time. Before the emergence of Software Defined Networking (SDN) and new network virtualization technologies, the common run-time adaptation actions were limited to changes in computing and storage resources (i.e., scaling in/out). However, SDN creates new avenues for adaptation...
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