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R. West. Adaptive real-time management of communication and computation resources, 2000. 7

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`QoS Safe' Kernel Extensions for Real-Time Resource Management - West, Gloudon (2002)   Self-citation (West)   (Correct)

....that SafeX leverages to provide QoS safety. 3.1 Additional QoS Management Features Required for QoS Safety To provide QoS safe resource management, new abstractions must be developed inside the kernel. For this reason, we have developed an adaptive QoS management system, called Linux Dionisys [20] (see Figure 1(a) In this system, SafeX is incorporated into daemon processes running on each host of a distributed system. Application processes link with the Dionisys library to create service extensions. These service extensions are either monitors, handlers or service managers. A service ....

R. West. Adaptive Real-Time Management of Communication and Computation Resources. PhD thesis, Georgia Institute of Technology, August 2000.


Quality Events: A Flexible Mechanism for Quality of Service.. - West, Schwan (2001)   (3 citations)  Self-citation (West)   (Correct)

....Both Dionisys and the quality event mechanism are currently being implemented in the Linux kernel. Dionisys utilizes CPU and network service managers, that support runtime service adaptation. In the Solaris implementation, network service management utilizes the DWCS packet scheduling algorithm [23], while CPU service management utilizes the real time scheduling capabilities of the operating system. The Solaris operating system enables CPUs to be dedicated to user processes that run in the realtime priority class. Consequently, we have built a CPU service manager as part of Dionisys, using ....

....service managers on the same host all execute as kernellevel threads, within the same address space 1 . Application processes communicate with service managers on the same host via shared memory, using calls to library routines offered by the Dionisys application programming interface (API) [23]. The Dionisys API allows applications to create, or delete, application specific service managers, and or event channels, or to exchange data with existing service managers. The rationale for this implementation is to emulate the way in which operating system services are accessed via system ....

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R. West. Adaptive Real-Time Management of Communication and Computation Resources. PhD thesis, Georgia Institute of Technology, August 2000.


Managing Quality of Service during Evolution Using .. - Gorinsek, Van.. (2003)   (Correct)

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R. West. Adaptive real-time management of communication and computation resources, 2000. 7

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