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A data network and optical transmission network collaborative protection method and device

A technology of optical transmission network and data network, which is applied in the field of collaborative protection of data network and optical transmission network, can solve problems such as difficult protection, resource utilization, and inability to protect, and achieve the effect of improving resource utilization and reliability

Active Publication Date: 2021-10-01
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing shared risk link group identification method, whether it is a static shared risk link group identification or a dynamic SGLG identification, ultimately needs to perform routing calculations through data network equipment, and still cannot solve the problem that the routing view is limited to "next hop". ", and the strategy of reserving channels in the optical transmission network as protection channels is static, it is impossible to perform corresponding protection according to the actual needs of the business, and it is difficult to achieve a perfect balance between protection and resource utilization

Method used

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  • A data network and optical transmission network collaborative protection method and device
  • A data network and optical transmission network collaborative protection method and device
  • A data network and optical transmission network collaborative protection method and device

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Embodiment 1

[0074] The embodiment of the present invention provides a data network and optical transmission network cooperative protection method, such as figure 1 As shown, the method may include:

[0075] 101. Obtain the communication nodes of the end-to-end service according to the topology information of the data network equipment, and obtain the transmission link between the communication nodes of the end-to-end service according to the topology information of the optical transmission network equipment;

[0076] Among them, the topology information refers to the connection relationship between devices, which can be represented by a set of letters or numbers; for example: if the data device is D, and the transmission device is S, then D12-D21 refers to the 2 ports of the data device numbered 1 Connect to port 1 of the data device numbered 2; S62-S13 refers to connecting port 2 of the transmission device numbered 6 to port 3 of the transmission device numbered 1.

[0077] Further, to ...

Embodiment 2

[0113] Based on the same inventive concept, the present invention also provides a data network and optical transmission network cooperative protection device, such as image 3 As shown, the device may include:

[0114] The acquiring unit is configured to acquire the communication nodes of the end-to-end service according to the topology information of the data network equipment, and acquire the transmission link between the communication nodes of the end-to-end service according to the topology information of the optical transmission network equipment;

[0115] A determining unit, configured to determine the risk quantification value of a single link of the end-to-end service transmission link according to the shared risk link group information;

[0116] A selection unit, configured to select the transmission path of the end-to-end service according to the preset priority of the end-to-end service and the quantified risk value of a single link of the transmission link;

[011...

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Abstract

A method and device for collaborative protection of a data network and an optical transmission network; the method includes presetting the priority of services, obtaining topology information of equipment, determining the quantified risk value of a single link, selecting a transmission path for service transmission and determining A bandwidth reservation quantization value and bandwidth reservation are performed according to the bandwidth reservation quantization value; the device includes a setting unit, an acquisition unit, a determination unit, a selection unit and a reservation unit. The technical solution provided by the present invention improves the reliability of data network protection through cooperative protection of the data network and the optical transmission network, avoids the simultaneous failure of the main and backup links of the path due to the failure of the underlying link, and protects the bandwidth reservation according to business requirements. This effectively improves the resource utilization of the optical transmission network.

Description

technical field [0001] The invention belongs to the technical field of information communication, and in particular relates to a data network and optical transmission network cooperative protection method and device. Background technique [0002] Due to the continuous expansion of the application scope of the network, there is also a higher demand for the service transmission efficiency of the network. However, in a traditional network, the data network and the optical transmission network are two isolated networks; the data network is used as a processing platform to process user traffic; the optical transmission network is used as a transmission channel to process user services. Transmission, providing high-speed information transmission channels for data networks. Although there are a large number of protection schemes for data networks and optical transmission networks, there are still certain problems in the coordination of protection, which not only wastes resources b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/032H04L12/24
CPCH04B10/032H04L41/06H04L41/12
Inventor 刘川郭经红李炳林李伯中张素香陈灿郝悍勇喻强黄在朝陈磊虞跃陶静
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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