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A link management method and system for SDN network

A link management and network technology, applied in the transmission system, electrical components, etc., can solve the problems of unresolved network or link active-standby switching failure, link out of service, no explanation for finding and activating, etc.

Active Publication Date: 2022-05-24
BEIJING BOCO COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing solutions either simply look for neighbor device nodes and replacement device nodes, or simply use the SDN controller to activate the backup device, without explaining how to find and activate
At the same time, the existing solutions do not solve the problems of network or link active-standby switchover and failure link out of service in load balancing.

Method used

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  • A link management method and system for SDN network
  • A link management method and system for SDN network
  • A link management method and system for SDN network

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0092] figure 1 A flow chart showing the link management method for an SDN network of the present invention. The link management method for an SDN network includes the following method steps:

[0093] S11: Receive the network resource data of the port-type networking from the outside, and determine the device with the active / standby or load balancing relationship according to the network resource data;

[0094] S12: Model the link according to the network device with the active / standby or load balancing relationship, virtualize the network device with the active / standby or load balancing relationship into a virtual device, and convert the link between the upstream and downstream virtual devices Virtual into a virtual link;

[0095] S13: Receive a service deployment requirement, and determine a network device and port corresponding to the service deployment requirement according to the service deployment requirement, the virtual device and the virtual link;

[0096] S14: Wh...

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PUM

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Abstract

The invention relates to a link management method for an SDN network. It includes: receiving the network resource data of the font network from the outside, determining the network equipment with the master-backup or load balancing relationship according to the network resource data; modeling the link according to the network equipment having the master-standby or load balancing relationship, Virtualize network devices with active / standby or load balancing relationship into a virtual device, and virtualize the link between upstream and downstream virtual devices into a virtual link; receive business deployment requirements, according to business deployment requirements and virtual devices and virtual links, Determine the network device and port corresponding to the service deployment requirement; when a network failure occurs, analyze the affected service data flow data, and determine the backup link and backup port; notify the device to which the port belongs, the service data that will be affected Flow data is forwarded to the backup link and backup port. The invention also relates to a link management system for SDN network.

Description

technical field [0001] The present invention relates to a link management method and system for an SDN network. Background technique [0002] The uninterrupted network service in the traditional data network relies on the control functions such as VRRP, FRR, dynamic routing (OSPF, IS-IS, RIP, BGP and other protocols) that come with the network equipment to automatically realize the switchover of the active and standby equipment. Service requirements such as the exit of the faulty link. In recent years, SDN network has become a research hotspot, and its own characteristics of separating control and forwarding have brought new development directions and research hotspots for network development and research. The data transmission equipment in the SDN network does not have the characteristics of control functions, so that the SDN control plane must realize the switchover of the active and standby equipment, and the service requirements such as the failure of the link in the lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L41/0654H04L41/14H04L45/02H04L45/247H04L45/28H04L45/586H04L47/125
CPCH04L41/0654H04L41/145H04L45/02H04L45/22H04L45/28H04L45/586H04L47/125
Inventor 陈明德张东朱友帧江峰
Owner BEIJING BOCO COMM TECH