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Cloud computing is revolutionizing how organizations treat computing resources. The privileged virtual machine is a key component in systems that use virtualization, but poses a dependability risk for several reasons. The activation of residual software faults that exist in every software project is a real threat and can impact the correct operation of the entire virtualized system. To study this...
Diagnosing faults in virtual networks is always a popular research area. Existing researches primarily focus on diagnosing faults in physical networks, while they could not identify the faults introduced by virtual networks. Besides, the high complexity of algorithms and the requirement for modifying hardware may limit their scope of use. To address these drawbacks, in this paper, we propose a novel...
Cloud infrastructures provide elastic computing resources to client organizations, enabling them to build online applications while avoiding the fixed costs associated to a complete IT infrastructure. However, such organizations are unlikely to fully trust the cloud for the most critical applications. Among other threats, soft errors are expected to increase with the shrinking geometries of transistors,...
D-Cloud is a software testing environment for dependable parallel and distributed systems using cloud computing technology. We use Eucalyptus as cloud management software to manage virtual machines designed based on QEMU, called FaultVM, which have a fault injection mechanism. D-Cloud enables the test procedures to be automated using a large amount of computing resources in the cloud by interpreting...
Various information systems are widely used in information society era, and the demand for highly dependable system is increasing year after year. However, software testing for such a system becomes more difficult due to the enlargement and the complexity of the system. In particular, it is too difficult to test parallel and distributed systems sufficiently although dependable systems such as high-availability...
FAUmachine is a virtual machine for the highly detailed simulation of standard PC hardware together with an environment. FAUmachine comes with fault injection capabilities and an automatic experiment controller facility. Due to its use of just-in-time compiler techniques, it offers good performance. This tool description introduces the new feature of FAUmachine to simulate systems deterministically...
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