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Intelligent power management of an intermediate network device switching circuitry and poe delivery

A technology of network switches and switches, applied in the direction of switching stations, data exchange networks, data exchange details, etc., can solve problems such as insufficient power status of switching circuits

Active Publication Date: 2010-09-08
HEWLETT-PACKARD ENTERPRISE DEV LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, if one first tries to allocate all the PoE power requested, the switching circuit will remain in an underpowered power state

Method used

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  • Intelligent power management of an intermediate network device switching circuitry and poe delivery
  • Intelligent power management of an intermediate network device switching circuitry and poe delivery
  • Intelligent power management of an intermediate network device switching circuitry and poe delivery

Examples

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Embodiment Construction

[0024]Embodiments of the present invention provide improved power management in digital electronic network switches. For example, if the power available to the switch is insufficient to meet all the power requirements for the switch, or if it is desired to limit the power provided by the switch, embodiments of the invention may regulate both the internal circuits provided to the switch and the external devices connected to the switch amount of power. Such power adjustments may be made based on a combination of information on devices connected to the switch ports, the amount of power allocated to each port via PoE, and policy information specifying power allocation preferences.

[0025] In some embodiments of the invention, the general power management method outlined above is performed in two passes. The first pass initializes the system by applying power to the switching circuitry when needed based on port priority and other secondary parameters, and to other devices via PoE...

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PUM

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Abstract

Embodiments of the invention include a management agent which has access to power output control circuitry of a digital electronic communication switch, a power meter, a load sharing means, and the ability to manage the power of switching circuits in the switch. The power meter enables the management agent to identify the power consumed by the switching circuits that are enabled and operational. This information, coupled with (1) knowledge of the power allocated to each port via PoE, and (2) policy information (which specifies power allocation preferences) is used in a two-pass power management method.

Description

technical field [0001] The present invention relates to a power management method in a network switch, a power management agent for the network switch, a network switch, a power management method in the network switch, a system, a device and a network cable. Background technique [0002] Electronic communication switches have unpredictable power requirements, in part due to the variable and unpredictable communication loads and Power over Ethernet (PoE) loads that electronic communication switches are required to handle. Thus, combined with the development towards energy efficiency, there is a need for new methods for power management in network switches. [0003] Various existing techniques are used to manage power in network switches. For example, in a modular switch (which consists of a set of multiple switch modules that operate in cooperation with each other), the power supplied to each switch module is managed to ensure that: (1) the power supplied to the multiple swi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/04
CPCH04L12/10H04L12/40045G06F1/3203G06F1/266
Inventor 哈森·卡巴拉詹姆士·S·希思科克
Owner HEWLETT-PACKARD ENTERPRISE DEV LP
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