Method for guaranteeing QoS (quality of service) of SDN (software defined network) by means of dynamic resource management
A dynamic management and network technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problem that the QoS of traffic cannot be guaranteed, and achieve the effect of guaranteeing QoS, realizing dynamic management, and reducing impact
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[0039] In order to solve the problem of QoS guarantee of service flow in the network, the present invention provides a method for QoS guarantee of SDN network with dynamic resource management. The specific process is as follows figure 1 As shown, the method includes:
[0040] The network traffic reaches the Openflow switch to match the flow table entry. If the flow table entry of the flow exists in the switch, the matching is successful and the forwarding strategy is executed according to the flow table entry instructions. If the flow is a newly arrived flow, it is forwarded to the controller. , Which is handled by the controller.
[0041] The SDN controller parses the data packets sent by the Openflow switch, and divides the flow into a normal flow and a QoS flow according to the characteristics of the flow. The QoS flow has a higher priority than the normal flow. There are many ways to classify traffic, such as source IP address, destination IP address, source port number, desti...
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