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In this paper, we propose Peer VMs Aggregation (PVA) to enable dynamic discovery of communication patterns and reschedule VMs based on the determined communication patterns using VM migration. In the implementation, we consider that communication delays occur at the server (i.e., memory-bus) and at the data center network. To evaluate our approach, we modeled a network and a memory subsystem on CloudSim...
Tele-teaching and hands-on exercises are of major importance in modern cybersecurity training. The Tele-Lab platform provides a virtual training environment using virtualized computers and networks, accessible via the Internet. With the rise of Massive Open Online Courses, it is also desirable to have such lab environments available. To make Tele-Lab's virtual laboratory environment more flexible,...
The rapid burst of Internet usage and the corresponding growth of security risks and online attacks for the everyday user or enterprise employee lead to the concepts of Awareness Creation and Information Security Culture. Nevertheless, security education has remained an academic issue mainly. Teaching system security or network security on the basis of practical experience inherits a great challenge...
Cloud computing enables the provisioning of dynamically scalable resources as a service. Next to cloud computing, the paradigm of Service-oriented Architectures emerged to facilitate the provisioning of functionality as services. While both concepts are complementary, their combination enables the flexible provisioning and consumption of independently scalable services. These approaches come along...
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