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Transparent computing is an implementation of ubiquitous computing that is aimed at providing active services for users. In transparent computing, the execution (computation) of computer instructions and data is temporally and spatially separated from their storage. Cloud computing solves the issue of data cloudlization, while transparent computing solves the one of software cloudlization. This paper...
Program autotuning is becoming an increasingly valuable tool for improving performance portability across diverse target architectures, exploring trade-offs between several criteria, or meeting quality of service requirements. Recent work on general autotuning frameworks enabled rapid development of domain-specific autotuners reusing common libraries of parameter types and search techniques. In this...
We present an approach to model the deployment costs, including compute and IO costs, of Microservice-based applications deployed to a public cloud. Our model, which we dubbed CostHat, supports both, Microservices deployed on traditional IaaS or PaaS clouds, and services that make use of novel cloud programming paradigms, such as AWS Lambda. CostHat is based on a network model, and allows for what-if...
The application of effective energy management strategies in data centers is often hindered by the substantial conflict between the interests of cloud users and infrastructure owners. As a matter of fact, cloud users require that the service level they are paying for is tightly met, whereas data center owners try to cut down their operational expenses. In this paper, we propose a novel consolidation...
A reference architecture guides an organization with best-practice knowledge about existing architectures, including an elaboration of the organization's mission, vision and strategy of a specific domain. Current e-learning architectures, however, focus on the theoretical framework of the application layer, service layer and database engineering while in reality, a networking layer is required for...
In order to provide the cloud computing research community with a full-system level datacenter server emulator with programmable hardware and software, and stimulate more innovative research work, this poster and demo shows a scientific research platform, Titian2, designed and implemented at ICT of CAS. Titian2 has the ability of on-line profiling and measuring, and the scalability of connecting with...
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