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A method and device for selecting a bandwidth

A technology for selecting devices and bandwidth, which is applied in the field of communication networks and can solve problems such as low bandwidth utilization

Active Publication Date: 2017-01-11
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a bandwidth selection method and device for solving the problem of low bandwidth utilization

Method used

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  • A method and device for selecting a bandwidth
  • A method and device for selecting a bandwidth
  • A method and device for selecting a bandwidth

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Experimental program
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Embodiment 1

[0025] Such as figure 1 As shown, the embodiment of the present invention provides a bandwidth selection method, and the method is applied to switching devices, such as routers, switches, and so on.

[0026] 101. Acquire preprocessing information, where the preprocessing information includes a rate corresponding to a service identifier (Identity, ID).

[0027] It can be understood that the rate here is regarded as bandwidth.

[0028] The available TELINK information includes all available nodes passed between the source node and the target node, and available link information between each available node. For example, if image 3 As shown, the source node is A, the target node is B, and the available nodes passing through in the middle are C, D, E, F, and G. Available TELINK information includes A-C link information, A-E link information, A-F link information, C-D link information, C-E link information, F-G link information, F-E link information, D-B link information inform...

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PUM

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Abstract

The invention discloses a method and device for selecting a bandwidth, and relates to the technical field of communication networks. The method and device are used for solving the problem that the utilization rate of the bandwidth is low. The method comprises the steps of obtaining preprocessed information, wherein the preprocessed information comprises a rate corresponding to a service ID; adopting a specific weight to calculate the number of sublinks occupied by a service corresponding to the service ID through the rate corresponding to the service ID, wherein the specific weight is used for dividing an existing link into X sublinks with the specific weight as the bandwidth, and X is a natural number larger than or equal to one; multiplying the occupied sublinks with the specific weight, and obtaining the target bandwidth. According to the scheme, the method and device are suitable for being adopted in the service transmission process.

Description

technical field [0001] The invention relates to the technical field of communication networks, in particular to a bandwidth selection method and device. Background technique [0002] Optical Transport Network (OTN) technology is a new generation of optical communication transmission and networking technology that emerged after Synchronous Digital Hierarchy (SDH). ITU-T's initial goal for OTN technology is to define a larger bandwidth container granularity than SDH, and to carry traditional TDM services in this way. The transport network faces a large number of packet services, and the original optical data unit 0-optical data unit 3 (Optical Data Unit0-Optical Data Unit3, ODU0-ODU3) container for circuit transmission can no longer meet the requirements, so the new optical transport network OTN A variable rate ODUflex container is defined. [0003] Based on the ODUflex (flexible rate optical digital unit) of the constant bit rate (Constant Bit Rate, CBR) service, the CBR cl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/911
Inventor 孔力王光全王丽琼张红王海军黄为民郑波满祥锟张贺黄永亮沈世奎
Owner CHINA UNITED NETWORK COMM GRP CO LTD