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Kernel drivers are usually provided in the form of loadable kernel extensions, which can be loaded/unloaded dynamically at runtime and execute with the same privilege as the core operating system kernel. The unrestricted security access from the drivers to the kernel is nevertheless a double-edged sword that makes them susceptible targets of trojan attacks. Given a benign driver, it is now easy to...
In recent years, several frameworks have been introduced to facilitate massively-parallel data processing on shared-nothing architectures like compute clouds. While these frameworks generally offer good support in terms of task deployment and fault tolerance, they only provide poor assistance in finding reasonable degrees of parallelization for the tasks to be executed. However, as billing models...
This paper is concerned with correct specification and validation of quality attribute requirements (QAR's) that cross-cut through a diverse set of complex system functions. These requirements act as modifiers of the systems level functional requirements thereby having substantial influence on the eventual architectural selection. Because system designers traditionally address these requirements one...
The Open Distributed Processing Reference Model (ODP-RM) provides viewpoints and abstract infrastructure guidelines that can be used for a basis for enterprise architecture, especially for an inter-enterprise architecture. The ODP-RM does not prescribe methodology for modeling itself, but provides common vocabulary and focus for description. This paper performs a brief analysis of the ODP-RM (and...
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