Link management method and system for SDN network

Abstract

The present invention relates to a link management method for an SDN network. The method includes: receiving network resource data of a port-type networking from an external network, and determining anetwork device having an active / standby or load balancing relationship according to the network resource data; modeling the link according to the network device having the active / standby or load balancing relationship, virtualizing the network device having the active / standby or load balancing relationship into a virtual device, and virtualizing the link between the upstream and downstream virtual devices into a virtual link; receiving deployment requirements, and determining network devices and ports corresponding to the service deployment requirements according to the service deployment requirements and virtual devices and virtual links; analyzing the affected service data flow data when the network is faulty, and determining a backup link and a backup port; and notifying the device towhich the port belongs, and forwarding the affected service data flow data to the backup link and the backup port. The invention further relates to a link management system for an SDN network.

Description

technical field [0001] The 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, and dynamic routing (OSPF, IS-IS, RIP, BGP, etc.) of the network equipment to automatically realize the switchover of the active and standby equipment. Service requirements such as the exit of faulty links. In recent years, SDN network has become a research hotspot, and its own characteristics of separation of 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 failure of the link to exit the service during load balancing and other business requirement...

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.

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