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This paper proposes a sleep control function for power saving in the optical line terminal (OLT) of an Ethernet passive optical network (EPON) employing duplicated layer-2 switches (L2SWs). The basic idea is to make one of the duplicated L2SW sleep according to the amount of traffic. Furthermore, this paper proposes a novel sleep control function that uses dynamic bandwidth allocation (DBA) information...
An advanced power-saving mechanism based on a combination of a cyclic sleep function and an adaptive link rate (ALR) function for 10 Gbit/s Ethernet passive optical network (10G-EPON) systems is proposed. The cyclic sleep function varies the sleep period to optimise power-saving performance according to frame inter-arrival time. The ALR function has dual-threshold policy to prevent the frequent switching...
This paper proposes a novel power-saving mechanism for the 10 Gbit/s Ethernet passive optical network (10G-EPON) systems that are currently being discussed in IEEE 802.3av. The proposed power-saving mechanism includes a sleep control function and an adaptive link rate (ALR) control function. The sleep control function switches the modes of optical network units (ONUs), i.e. active and sleep modes,...
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