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A hypervisor consolidates multiple numbers and multiple types of OSes into a single machine by multiplexing a real machine into a number of virtual machines (VMs). An example the typical application of a hypervisor is server consolidation which uses the same or similar types of VMs and OSes (symmetric). Another application is accommodating different types of OSes (asymmetric): open platform and closed...
Recently, the engineering cost of embedded systems is rapidly increasing due to growing sophistication of services. To deal with the problem, hybrid operating system environments have been proposed. This enables to run a RTOS and a general purpose OS concurrently and to reuse software resources on both of them. This approach is efficient in reducing engineering costs. We reconfigured the requirement...
Device drivers are the major cause of operating system failure. Prior research proposed frameworks to improve the reliability of device drivers by means of driver restart. While avoiding any instrumentation of the driver, this approach does not always allow graceful recovery. In this paper, we propose a framework for self-healing device drivers that lets the driver developer consider and implement...
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