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Energy efficient ethernet control

  • US 8,656,195 B2
  • Filed: 08/30/2011
  • Issued: 02/18/2014
  • Est. Priority Date: 08/30/2011
  • Status: Active Grant
First Claim
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1. A physical layer device comprising:

  • a pseudo-random value generator to produce a pseudo-random value within a predefined range;

    a register to receive the pseudo-random value from the pseudo-random value generator and store the pseudo-random value;

    a state machine to obtain the pseudo-random value from the register and provide the pseudo-random value to a timer within the physical layer device; and

    the timer to control a duration of an Energy Efficient Ethernet time period based on the pseudo-random value,wherein the control of the duration of the Energy Efficient Ethernet time period based on the pseudo-random value enables a plurality of physical layer devices in a switch to commence and discontinue the Energy Efficient Ethernet time period in a substantially non-synchronous manner.

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