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|1. (WO2018219300) METHOD AND APPARATUS FOR PACKET EXCHANGE IN SDN|
|Title:||METHOD AND APPARATUS FOR PACKET EXCHANGE IN SDN|
Provided in the present application are a method and an apparatus for packet exchange in an SDN; using the present method, an SDN controller sends to an SDN device an openflow packet containing configuration information of a probe packet; the probe packet may be a BFD protocol or BGP protocol; on the basis of the configuration information, the SDN device generates a probe packet and sends same to an out-of-domain device, and sends the response packet of the out-of-domain device to the SDN controller by means of an openflow packet method.