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METHOD, SWITCHING DEVICE AND NETWORK CONTROLLER FOR PROTECTING LINKS IN SOFTWARE-DEFINED NETWORK (SDN)
METHOD, SWITCHING DEVICE AND NETWORK CONTROLLER FOR PROTECTING LINKS IN SOFTWARE-DEFINED NETWORK (SDN)
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机译:用于保护软件定义的网络(SDN)中的链接的方法,交换设备和网络控制器
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摘要
The present invention discloses a link protection method in an SDN. The method includes: receiving, by a first switching device in the SDN, first information sent by a network controller in the SDN and link protection information, where the first information is used to establish a communication link between the first switching device and a destination device, and the link protection information is used to instruct the first switching device to proactively perform primary-to-secondary link switching when a link is faulty; and establishing, by the first switching device, the communication link with the destination device according to the first information, and determining, by the first switching device according to the link protection information, that the first switching device proactively performs the primary-to-secondary link switching. The present invention further discloses another link protection method in an SDN and a corresponding switching device and network controller.
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