The Security Routing Based on Convergence Detected about Route in DHT

In order to reduce the harm of malicious nodes to the DHT network, the paper makes analysis about the DHT routing algorithm, we get the iteration function of routing on DHT. Through the analysis on iterative routing functions, we summarize the common features of malicious nodes which undermine the convergence of the DHT routing, so we design a security routing model based on convergence detected about route in DHT, which was be named SDRM. Then we design a security routing algorithm CSDSR, according to SDRM and chord. In the end, we carry out simulations to test the performance of CSDSR.