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IP layer path selection method, device and system

A technology for selecting devices and paths, which is applied in the field of communications and can solve problems such as affecting IP layer path performance and being unable to provide performance for users

Inactive Publication Date: 2017-06-13
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the specific topology and resource information of optical network nodes in the optical layer will also affect the performance of IP layer paths, the current IP layer path selection methods cannot accurately provide users with better performance paths

Method used

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  • IP layer path selection method, device and system
  • IP layer path selection method, device and system
  • IP layer path selection method, device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiments of the present invention provide a method for selecting an IP layer path, such as figure 2 shown, including:

[0040] 101. If a request for establishing a path from a first IP node to a second IP node is received, the device for selecting an IP layer path acquires IP layer path resource information and optical layer path resource information.

[0041] 102. The device for selecting an IP layer path determines N paths from the first IP node to the second IP node according to the path request, each of the N paths includes an IP layer path and an optical layer path, and N≥1 .

[0042] 103. The device for selecting an IP layer path selects one path from the N paths as a transmission path according to the IP layer path resource information and the optical layer path resource information.

[0043] 104. The device for selecting an IP layer path sends the transmission path to the IP layer controller and the optical layer controller respectively, so that the IP lay...

Embodiment 2

[0065] Based on the selection method of the IP layer path described in steps 101-104 in the above-mentioned embodiment 1, the embodiment of the present invention provides a processing method for an optical link failure, such as Figure 4 shown, including:

[0066] 201. If the optical layer controller detects that a failure occurs on the first optical link, send a failure message of the first optical link to the device for selecting an IP layer path.

[0067] 202. The apparatus for selecting an IP layer path determines a first IP link carried on the first optical link.

[0068] 203. The apparatus for selecting an IP layer path determines a link requirement of services on the first IP link on the first IP link.

[0069] 204. The apparatus for selecting an IP layer path re-establishes a second optical link meeting the link requirement at the optical layer, so that the first IP link is changed to be carried by the second optical link.

[0070] 205. If the optical layer does not ...

Embodiment 3

[0080] Based on the above steps 101-104, such as Figure 5 As shown, the device for selecting an IP layer path provided by the embodiment of the present invention can be divided into an acquiring unit 11 , a determining unit 12 , a model selecting unit 13 and a sending unit 14 exemplarily.

[0081] Wherein, the acquiring unit 11 is configured to receive a request for establishing a path from the first IP node to the second IP node; and acquire IP layer path resource information and optical layer path resource information;

[0082] A determination unit 12, configured to determine N paths from the first IP node to the second IP node according to the path request, each of the N paths includes an IP layer path and an optical layer path, N ≥1;

[0083] A selection unit 13, configured to select a path from the N paths determined in the determination unit 12 as a transmission path according to the IP layer path resource information and the optical layer path resource information in ...

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Abstract

The embodiment of the invention provides an IP layer path selection method, an IP layer path selection device and an IP layer path selection system, and relates to the field of communication, for controlling IP layer network resources and optical layer network resources in a concentrated manner, thus being capable of accurately providing a path with good performance for a user. The technical scheme of the method comprises the steps of if a request of building a path from a first IP node to a second IP node is received, acquiring IP layer path resource information and optical layer path resource information; determining N paths from the first IP node to the second IP node according to the path request, wherein each path in the N paths comprises an IP layer path and an optical layer path; selecting one path from the N paths to serve as a transmission path according to the IP layer path resource information and the optical layer path resource information; and respectively sending the transmission path to an IP layer controller and an optical layer controller, thus allowing the IP layer controller to build the IP layer path according to the transmission path, and allowing the optical layer controller to build the optical layer lath according to the transmission path.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for selecting an IP layer path. Background technique [0002] At present, the basic bearer network is an overlapping network composed of the IP (Internet Protocol, network communication protocol) layer and the optical layer. Information does not flow into the optical layer, and the optical transport layer establishes a "pipeline" for the IP layer in a static configuration mode to realize the interconnection between nodes in the IP layer. [0003] It can be seen that in the existing basic bearer network, the IP layer and the optical layer adopt layered independent control to keep the architecture clear and easy to manage and maintain. However, this independent control mode also makes the IP layer and the optical layer control decisions relatively independently, for example , when the IP layer node selects the IP layer path, it mainly uses a distribute...

Claims

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Application Information

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IPC IPC(8): H04L12/707H04L12/733H04L45/24H04L45/122
Inventor 朱鹏杨艳松何晓峰
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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