US Patent No. 9,276,405

SHARING REDUNDANT POWER SUPPLY MODULES AMONG PHYSICAL SYSTEMS


Patent No. 9,276,405
Issue Date March 01, 2016
Title Sharing Redundant Power Supply Modules Among Physical Systems
Inventorship Hogan Lew, Sunnyvale, CA (US)
Ankur Singla, San Jose, CA (US)
Harshad Nakil, San Jose, CA (US)
Assignee Juniper Networks, Inc., Sunnyvale, CA (US)

Claim of US Patent No. 9,276,405

1. A method comprising:
determining, by a first device, whether:
a first power supply, included in a second device, is operational, and
a second power supply, included in a third device, is operational,
the second device and the third device being external to the first device;
selectively receiving, by the first device, power from the second device or power from the third device,
power being received from the second device when the first power supply is operational, and
power being received from the third device when the second power supply is operational; and
selectively providing, by the first device, power to the second device when the second power supply is not operational or
power to the third device when the second power supply is not operational,

the power, provided to the second device, including the power received from the third device,
the power, provided to the third device, including the power received from the second device.