ACM Transactions on Computer Systems (TOCS)
Managing energy and server resources in hosting centers
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
Understanding and Designing New Server Architectures for Emerging Warehouse-Computing Environments
ISCA '08 Proceedings of the 35th Annual International Symposium on Computer Architecture
Reducing network energy consumption via sleeping and rate-adaptation
NSDI'08 Proceedings of the 5th USENIX Symposium on Networked Systems Design and Implementation
Packet caches on routers: the implications of universal redundant traffic elimination
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
PowerNap: eliminating server idle power
Proceedings of the 14th international conference on Architectural support for programming languages and operating systems
A Power Benchmarking Framework for Network Devices
NETWORKING '09 Proceedings of the 8th International IFIP-TC 6 Networking Conference
RouteBricks: exploiting parallelism to scale software routers
Proceedings of the ACM SIGOPS 22nd symposium on Operating systems principles
On dominant characteristics of residential broadband internet traffic
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Analyzing the energy efficiency of a database server
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
Web search using mobile cores: quantifying and mitigating the price of efficiency
Proceedings of the 37th annual international symposium on Computer architecture
PacketShader: a GPU-accelerated software router
Proceedings of the ACM SIGCOMM 2010 conference
Greening backbone networks: reducing energy consumption by shutting off cables in bundled links
Proceedings of the first ACM SIGCOMM workshop on Green networking
Delivering energy proportionality with non energy-proportional systems: optimizing the ensemble
HotPower'08 Proceedings of the 2008 conference on Power aware computing and systems
HotPower'08 Proceedings of the 2008 conference on Power aware computing and systems
ElasticTree: saving energy in data center networks
NSDI'10 Proceedings of the 7th USENIX conference on Networked systems design and implementation
ServerSwitch: a programmable and high performance platform for data center networks
Proceedings of the 8th USENIX conference on Networked systems design and implementation
Power management of online data-intensive services
Proceedings of the 38th annual international symposium on Computer architecture
Using coordinated transmission with energy efficient ethernet
NETWORKING'11 Proceedings of the 10th international IFIP TC 6 conference on Networking - Volume Part I
The middlebox manifesto: enabling innovation in middlebox deployment
Proceedings of the 10th ACM Workshop on Hot Topics in Networks
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We aim at improving the power efficiency of network routers without compromising their performance. Using server-based software routers as our prototyping vehicle, we investigate the design of a router that consumes power in proportion to the rate of incoming traffic. We start with an empirical study of power consumption in current software routers, decomposing the total power consumption into its component causes. Informed by this analysis, we develop software mechanisms that exploit the underlying hardware's power management features for more energy-efficient packet processing. We incorporate these mechanisms into Click and demonstrate a router that matches the peak performance of the original (unmodified) router while consuming up to half the power at low loads, with negligible impact on the packet forwarding latency.