Resource Pricing Algorithm And Reliability Transmission Strategy Based On SDN

The SDN control and forwarding separation and programming feature allow network resources to define a dynamic price.From the perspective of reasonable allocation of SDN network resources,the use of price factors to restrain the waste of SDN network resources can achieve the purpose of reasonable allocation of SDN network resources.Based on the meta-modeling of network resources,this thesis conducts modeling auctions of network resources.Abstract the underlying physical resources into meta-capabilities,and determine the prices of different meta-capabilities through auction strategies of different resource types.Meta-service determines the resource prices by analyzing the resource requirements under different scenarios and combining the on-demand combinations of different elemental capabilities.Verify the rationality of the auction by examining the existence and uniqueness of Nash equilibrium during the auction.Secondly,based on the pricing of network resources,this thesis proposes a real-time reliability transmission strategy:to classify the network traffic,to adopt different transmission strategies for different flows.Real-time reliability of data transmission is ensured by taking different priority queues and multi-service chain transmission strategy based on price factor.The simulation results show that the reasonable pricing of resources can make resources at a certain low load,meanwhile,the reasonable transmission strategy can effectively guarantee the real-time reliability of data transmission.