Reducing network energy consumption via sleeping and rate-adaptation
NSDI'08 Proceedings of the 5th USENIX Symposium on Networked Systems Design and Implementation
Energy-aware traffic engineering
Proceedings of the 1st International Conference on Energy-Efficient Computing and Networking
Reducing dynamic power dissipation in pipelined forwarding engines
ICCD'09 Proceedings of the 2009 IEEE international conference on Computer design
Apples-to-apples: a framework analysis for energy-efficiency in networks
ACM SIGMETRICS Performance Evaluation Review
Power-Aware Parallel Forwarding: An Optimization Study
GREENCOM-CPSCOM '10 Proceedings of the 2010 IEEE/ACM Int'l Conference on Green Computing and Communications & Int'l Conference on Cyber, Physical and Social Computing
A Green Parallel Forwarding and Switching Architecture for Green Network
GREENCOM '11 Proceedings of the 2011 IEEE/ACM International Conference on Green Computing and Communications
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In support of continuously increasing line rates and various Internet services, multiprocessor-based linecards have appeared in next-generation routers, significantly improving performance. However, this improvement has come at the expense of increased energy consumption, which tends to not only raise the operational and cooling costs, but also lower the reliability of the router. In this article, we present a simple and yet effective Dynamic Voltage Scaling (DVS)-orientedscheme for energy-efficient operations of multiprocessor-based linecards. We prove that for a given task and a timing constraint, those processors in a linecard consume less energy when operating at the same voltage than operating at different voltages. Additionally, we derive the optimal configuration for minimal energy consumption in multiprocessor-based linecards and also show how it can be extended for general-purpose multiprocessor systems.