Bpndiag: Bpn-based Fault Diagnosis for Bpel Process

Web Service is becoming an important and popular distributed computing model for providing on-demand service sharing on Internet. One of the difficult challenges in web service is how to deliver the reliable service application over unreliable web services around the world. To improve the automated diagnosis capability for web service, we completely model the BPEL process as a BPN model and propose a BPN model-based diagnosis method. Considering the activity dependency relations in BPN model, our diagnosis method is able to exactly and quickly localize the faulty activity. Finally, we conduct the simulation experiments to evaluate our method. The experimental results show that our method is effective in fault diagnosis for BPEL process.