Traffic grooming method in hybrid grid optical network and related equipment

An optical network and grid technology, applied in the field of optical network traffic grooming, can solve problems such as unsatisfactory effects and complex energy consumption models, and achieve the effect of minimizing total energy consumption and minimizing total energy consumption

Active Publication Date: 2021-02-26
BEIJING UNIV OF POSTS & TELECOMM
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  • Claims
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Problems solved by technology

Since the hybrid grid optical network has both fixed grid nodes and flexible grid nodes, and has a more complex energy

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  • Traffic grooming method in hybrid grid optical network and related equipment
  • Traffic grooming method in hybrid grid optical network and related equipment
  • Traffic grooming method in hybrid grid optical network and related equipment

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[0029]In order to make the objectives, technical solutions, and advantages of the present disclosure clearer, the following further describes the present disclosure in detail with reference to specific embodiments and drawings.

[0030]It should be noted that, unless otherwise defined, the technical terms or scientific terms used in one or more embodiments of the present specification shall be the ordinary meanings understood by persons with ordinary skills in the field of the disclosure. "Include" or "include" and other similar words mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Similar words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0031]As described in the background art, the existing traffic grooming method under the “IP+Optical” a...

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Abstract

One or more embodiments of the present specification provide a traffic grooming method in a hybrid grid optical network and related equipment. Firstly, an auxiliary graph for energy consumption is generated, different types of auxiliary graph nodes are generated for optical nodes with different grid flexibility in a network, then an auxiliary graph edge is generated in combination with service requirements, and the weight of the auxiliary graph edge is related to an energy consumption model of the nodes. After the auxiliary graph is generated, a minimum weight path is acquired by calculation between the source node and the destination node on the auxiliary graph, and a traffic grooming strategy is selected and executed according to the obtained path. After the traffic grooming operation isfinished, the network resources are updated and the next service request is waited. Based on the energy consumption-oriented auxiliary graph, reasonable selection of different traffic grooming operations such as optical layer grooming and electric layer grooming can be realized, so that the purpose of minimizing the total energy consumption required for bearing services is achieved.

Description

Technical field[0001]One or more embodiments of this specification relate to the field of optical network traffic grooming, and more particularly to a method for traffic grooming in a hybrid grid optical network.Background technique[0002]With the continuous growth of user IP services, and the explosion of applications featuring rich content and high rates such as video on demand and high-definition television (HDTV), wavelength division multiplexing (WDM) optical networks with fixed resource grids and low resource utilization efficiency It will be difficult to meet diversified business needs. The flexible grid technology divides the spectrum resources into smaller frequency slots, and can flexibly allocate the required spectrum resources according to service requirements and improve resource utilization efficiency. However, it will be impractical to deploy flexible grid technology at one time, and fixed grid WDM optical networks that have been put into use will gradually support fle...

Claims

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Application Information

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IPC IPC(8): H04J14/02H04Q11/00
CPCH04J14/0227H04Q11/0067H04Q11/0005H04Q2011/0073H04Q2011/0022
Inventor 郁小松朱青橙赵永利李亚杰张杰
Owner BEIJING UNIV OF POSTS & TELECOMM
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