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In current commercial routers, faster network processor units (NPUs) in line cards (LCs) can significantly improve network QoS performance. However, this improvement may come at a high cost of energy consumption. In this paper, we propose and investigate two classes of QoS-aware DVFS-based packet scheduling schemes. The first class uses queue length (QL) to control execution rates in line cards, whereas...
In current commercial routers, increased execution speeds of Network Processor Units (NPUs) in Line Cards (LCs) significantly improve network QoS performance. Achieving high network performance, however, may come at a high cost of routers' energy consumption. Dynamic Voltage Frequency Scaling (DVFS) and Dynamic Power Management (DPM) have been proposed as schemes to manage power and reduce energy...
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