Hardware Investigate

Dynamic QoS Management in Distributed Real-Time Embedded Systems

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Executive Summary

Increasingly, embedded systems are part of larger Distributed Real-time Embedded (DRE) systems in a wide variety of domains, including military Command and Control (C2), avionics and air traffic control, and medicine and emergency response. DRE systems combine the stringent Quality of Service (QoS) requirements of traditional closed embedded systems with the challenges of the dynamic conditions associated with being widely distributed across an often volatile network environment. Traditionally, embedded systems have been able to rely on their closed environments and self-contained bus architectures to limit the dynamic inputs possible and could rely on static resource management techniques to provide the QoS and reliable performance they need.

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