Fault-tolerant processing mechanism of Web service composition in run-time
Meiling Cai · Computer Engineering and Applications Journal · 2008
Based on the WebJet service composite and assemble platform,the author designs one based on the feedback fault-tolerant mechanism,supported the run-time automatic fault-tolerant processing frame.Calculates the fault-tolerant choice factor in view of the service composition run-time’s QoS quality and user’s SLA,and uses clustering algorithm ascertain the fault-tolerant boundary value,proposes the fault-tolerant processing general mapping method,simultaneously gives the breakdown processing method and the flow restructured region computational method.System support flow restoration-online,adapted the complex network ecological environment,provide a kind of effective mechanism to guarantee both functionality and QoS of the workflow during execution.