A Routing Method to Satisfy Multiple Constrained Parameters in Large-Scale Software-Defined Networks
A software-defined network, large-scale technology, applied in the field of routing that satisfies multiple constraint parameters, to achieve the effect of low network overhead and high detection efficiency
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[0070] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0071] Refer to attached figure 1 , the specific steps of the present invention are described in detail as follows.
[0072] Step 1, initialize the detection packet.
[0073] (1a) The domain network controller accepts the routing request sent by the source host, and the routing request information includes service quality parameter values of delay, bandwidth, packet loss rate and jitter, source host address, and destination host address.
[0074] (1b) Mark the QoS value field and the intra-domain constraint value field of the routing request in the detection packet as the QoS parameter value.
[0075] (1c) mark the type field in the detection packet as the detection packet type; mark the routing request identifier field as the random number generated by the source host address, the destination host address and the controller; marked as zero.
[0076] (1...
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