Research On User Terminal Traffic Network Balance And Resource Allocation Method

Due to the popularization of informatization,the balance of traffic in the user terminal network is increasingly serious.Traffic load balancing is a technology that balances traffic through multiple available paths to avoid congestion.Traffic load balancing is widely used in the Internet,industry,transportation,and agriculture.Implementing network traffic load balancing can be achieved through the deployment of gateways and the design of traffic load balancing policies.Among them,the study of traffic load balancing strategies has received extensive attention from domestic and foreign scholars in recent years.Currently,most of the current traffic load balancing is from the Internet Service Provider(ISP)level to perform overall traffic balancing.This not only fails to guarantee the Quality of Experience(QoE)of the user,but also the redundant free resources in the network.Being fully utilized,it cannot provide services for more users.To solve this problem,this paper studies how to implement on-demand reuse of network resources from the user level.While ensuring the fairness of user QoE and network resource allocation,it also makes full use of the idle resources in the network.The main research contents are as follows:1.Aiming at the current traffic load balancing strategy only from the ISPs' level of the overall flow balance,can not effectively protect the users' QoE,this paper proposed a bandwidth borrow strategy based on regional load balancing(BBS-RLB).Firstly,the feasibility of this scheme is analyzed theoretically;Then,based on the centralized Peer-to-peer(P2P)network topology,the bandwidth leasing strategy is designed,which improves the reuse of bandwidth resources by the reasonable judgment and classification of the users' network state.And according to the client packet arrival rate to determine the borrowed bandwidth,through the lease bandwidth to achieve congestion link routing,avoid transmissing business in different network ISPs' servers.The simulation results show that the algorithm can reduce the users' business response delay and improve the throughput of the bottleneck's link more effectively than the mainstream traffic equalization strategy.2.A dynamic bandwidth allocation auction method based on regional load balancing is proposed to solve the problem of fairness of network bandwidth allocation and distribution.Firstly,the network bandwidth allocation problem is analyzed,and the dynamic auction assignment model satisfying the users' demand is established,and the mathematical model of the link quality is obtained by using the round-trip time delay as the parameter.Then the pricing function of the bandwidth auction is designed with the main parameters of link quality,and the auction incentive mechanism makes the bidding price converge to the maximum quickly,reduces the communication overhead in the bidding process,and maximizes the return of the auctions.The simulation results show that the proposed algorithm can effectively restrain the users' fake quoting behavior,improve the user's QoE and maximize the auction profit while increasing the user's logical bandwidth and optimizing the link quality.3.According to the requirement of project and practical application,the flow control unit based on regional load balancing is designed and implemented.The unit is mainly based on the software part of the design and implementation,what I directly involved in the subject are module designing,Open WRT operating system porting,bandwidth leasing management,ISP streaming and traffic management work.Finally,according to the design unit,using terminal equipment to test the unit's ISP shunt function,traffic management function and bandwidth leasing function,the test results show that the design of the flow control unit based on the region load balancing can realize the circuitous forwarding of the congestion node business data and meet the requirements of the unit design.