Power save mode for lightpaths

An optical path and node technology, applied in the field of optical communication network, can solve problems such as increasing the overall cost of optical network

Inactive Publication Date: 2012-06-13
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Redundancy can often be built into forced convection systems due to the nature of the equipment from which heat is evacuated, adding to the overall cost of the optical network

Method used

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  • Power save mode for lightpaths
  • Power save mode for lightpaths
  • Power save mode for lightpaths

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] summary

[0026] Embodiments described herein are intended to provide a method for optical communication between nodes of an optical network. In one embodiment, a set of lightpaths is formed between the first node and the second node of the network, each lightpath in the set having a respective configuration. Communication traffic is communicated between the first node and the second node via the set of lightpaths. In response to a determination that a communication traffic level associated therewith for the set of lightpaths is less than a predetermined threshold, lightpaths having a given configuration are removed from the set of lightpaths to form a reduced set of lightpaths. between said first node and said second node via said reduced set of lightpaths while reducing the level of power consumption in the removed lightpaths and while maintaining said given configuration in the removed lightpaths The communication traffic is transmitted.

[0027] describe

[0028] ...

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PUM

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Abstract

A method for communicating optically between nodes of an optical network, including forming, between a first node and a second node of the network, a set of lightpaths, each of the set of lightpaths having a respective configuration, transferring communication traffic between the first and second nodes via the set of lightpaths, determining, for the set of lightpaths, that a communication traffic level associated therewith is less than a predetermined threshold, in response to the determining, removing at least one lightpath having a given configuration from the set of lightpaths to form a reduced set of lightpaths and transferring the communication traffic between the first and second nodes via the reduced set of lightpaths, while reducing the level of power consumption in the at least one lightpath and while maintaining the given configuration of the at least one lightpath.

Description

technical field [0001] The present disclosure relates generally to optical communication networks. Background technique [0002] Power dissipation in optical fibers of optical networks is inherently minimal, even for relatively large optical powers input into the fibers. Any power dissipation that occurs is spread over the length of the fiber, so the effect of such dissipation is generally not considered. [0003] On the other hand, other elements in the network, such as router line cards, optical amplifiers or regenerators, may dissipate relatively large amounts of power, and power dissipation may be small amounts. A hub installed in a cabinet in an optical network can easily dissipate 10 kilowatts (kW) or more of power in the form of heat. In addition to the actual power dissipation, some power dissipation may be inherent in the design of the components that dissipate power, thus requiring efficient dissipation of the generated heat to prevent overheating. Forced convec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J14/02H04L12/56H04L45/24H04L45/243
CPCH04J14/0267H04L45/245H04L47/10H04J14/0221H04J14/0227H04B10/07955H04J14/0284H04L47/125H04L45/70H04L45/22Y02B60/33H04B10/0793Y02D30/50
Inventor 欧南·格斯塔尔弗拉维欧·博诺米戴维·沃德
Owner CISCO TECH INC
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