Computer Networks: The International Journal of Computer and Telecommunications Networking
Power control of high speed network interconnects in data centers
INFOCOM'09 Proceedings of the 28th IEEE international conference on Computer Communications Workshops
A BitTorrent proxy for Green Internet file sharing: Design and experimental evaluation
Computer Communications
Sleep and adaptive link rate control for power saving in 10G-EPON systems
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
A novel WDM-based optical access network with high energy efficiency using elastic OLT
ONDM'10 Proceedings of the 14th conference on Optical network design and modeling
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The IEEE 802.3 Energy Efficient Ethernet (EEE) study group is considering Rapid PHY Selection (RPS) as a mechanism to quickly switch the data rate of an Ethernet link to match link data rate with link utilization. When switching the data rate, RPS causes a momentary disruption of the link. This disruption may cause packet loss due to buffer overflow in upstream switches. We emulate RPS using PAUSE flow control and experimentally study the possible effects of RPS on TCP and UDP file transfer. We show that RPS has little or no perceivable effect on performance, but has some subtle effects on TCP throughput if PAUSE flow control is enabled in the file server.