Distributed Fault Diagnosis Algorithm in Multi-domain Service Environment
Chu Ling-wei①; Zou Shi-hong①; Cheng Shi-duan①; Tian Chun-qi②; Wang Wen-dong①; Hu Bo①
①State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China; ②College of Electronic and Information Engineering, Tongji University, Shanghai 200092, China
Abstract:In multi-domain environment, symptoms caused by inter-domain fault propagation will affect fault diagnosis algorithm. A distributed dependency model is proposed to build the dependencies in service system. Based on the dependency model, a distributed fault diagnosis algorithm is proposed, and the algorithm is improved from three aspects: reduce communication cost, accurate effect evaluation function and spurious symptom probability. Simulation results show that the fault diagnosis algorithm is efficient in multi-domain service environment.