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Journal Article An Energy Saving Scheme for Multilane-based High-Speed Ethernet
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Authors
Kyeong-Eun Han, Choong-Reol Yang, Kwangjoon Kim, Sun-Me Kim, Jonghyun Lee
Issue Date
2012-12
Citation
ETRI Journal, v.34, no.6, pp.807-815
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.12.1812.0110
Abstract
In this paper, we propose a scheme for partially dynamic lane control for energy saving in multilane-based high-speed Ethernet. In this scheme, among the given transmission lanes, at least one lane is always operating, and the remaining lanes are dynamically activated to alleviate the network performance in terms of queuing delay and packet loss in the range of acceptance. The number of active lanes is determined by the decision algorithm based on the information regarding traffic and queue status. The reconciliation sublayer adjusts the transmission lane with the updated number of lanes received from the algorithm, which guarantees no processing delay in the media access control layer, no overhead, and minimal delay of the exchanging control frames. The proposed scheme is simulated in terms of queuing delay, packet loss rate, lane changes, and energy saving using an OPNET simulator. Our results indicate that energy savings of around 55% (or, when the offered load is less than 0.25, a significant additional savings of up to 75%) can be obtained with a queuing delay of less than 1 ms, a packet loss of less than 10-4, and a control packet exchange time of less than 0.5 μs in random traffic. © 2012 ETRI.
KSP Keywords
Decision algorithm, Energy saving, High Speed, Media access control layer, Network performance, Processing Delay, media access control(MAC), packet loss rate, queuing delay