منابع مشابه
Feedback Control Real-Time Scheduling
We develop Feedback Control real-time Scheduling (FCS) as a unified framework to provide Quality of Service (QoS) guarantees in unpredictable environments (such as ebusiness servers on the Internet). FCS includes four major components. First, novel scheduling architectures provide performance control to a new category of QoS critical systems that cannot be addressed by traditional open loop sch...
متن کاملFeedback Control for Real - time Scheduling ’
Most of real-time scheduling algorithms are open-loop algorithms as the scheduling decisions are based on the worst-case estimates of task parameters. They do not continuously observe the performance of the system and do not dynamically adjust the system parameters t o improve performance. In many cases, it is preferable to base scheduling decisions on average-case workload parameters and be re...
متن کاملReal-Time Output Feedback Neurolinearization
An adaptive input-output linearization method for general nonlinear systems is developed without using states of the system. Another key feature of this structure is the fact that, it does not need model of the system. In this scheme, neurolinearizer has few weights, so it is practical in adaptive situations. Online training of neuroline...
متن کاملFeedback Control Real-Time Scheduling in ORB Middleware
Existing real-time ORB middleware standards such as RT-CORBA do not adequately address the challenges of 1) providing robust performance guarantees portably across different platforms, and 2) managing unpredictable workload. To overcome this limitation, we have developed software called FCS/nORB that integrates a Feedback Control real-time Scheduling (FCS) service with the nORB small-footprint ...
متن کاملThe case for feedback control real-time scheduling
Despite the significant body of results in real-time scheduling, many real world problems are not easily supported. While algorithms such as Earliest Deadline First, Rate Monotonic, and the Spring scheduling algorithm can support sophisticated task set characteristics (such as deadlines, precedence constraints, shared resources, jitter, etc.), they are all "open loop" scheduling algorithms. Ope...
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ژورنال
عنوان ژورنال: ACM SIGOPS Operating Systems Review
سال: 2000
ISSN: 0163-5980
DOI: 10.1145/346152.346275