Tongxin xuebao (Dec 2022)
Topology optimization and forwarding strategy design for blockchain network
Abstract
In order to solve the problem of the low data transmission efficiency of the blockchain network, an optimization method of blockchain transmission efficiency was proposed to optimize the network topology and forwarding strategy.First, the trusted value function was designed to calculate the trusted value of blockchain nodes, and a tree topology was constructed by comprehensively considering the trusted value and transmission time.Furthermore, the forwarding path selection strategy was designed based on the tree topology, with the minimum overall concurrent transmission time as the goal, and the forwarding table of the node about the forwarding order of its neighbor nodes was established.To reduce the impact of the node changed on the tree topology, a topology dynamic optimization strategy was proposed to adjust tree topology locally.The forwarding path selection strategy enabled the entire data transmission process to have the minimum transmission time, and the dynamic optimization strategy avoided reconfiguration of the entire network topology and effectively shortened the data transmission time.The simulation results show that, compared with the weight-first algorithm, the transmission time of the proposed method is reduced by about 20%, and the data transmission efficiency is significantly improved.
