Non-Intrusive Monitoring and Service Adaptation for WS-BPEL
Web service processes currently lack monitoring and dynamic (runtime) adaptation mechanisms. In highly dynamic processes, services frequently need to be exchanged due to a variety of reasons. In this paper we present VieDAME, a system which allows monitoring of BPEL processes according to Quality of Service (QoS) attributes and replacement of existing partner services based on various (pluggable) replacement strategies. The chosen replacement services can be syntactically or semantically equivalent to the BPEL interface. Services can be automatically replaced at runtime without any downtime of the overall system. We implemented our solution with an aspect-oriented approach by intercepting SOAP messages and allow services to be exchanged during runtime with little performance penalty costs, as shown in our experiments, thereby making our solution suitable for high-availability BPEL environments.
BPEL Quality of Service Monitoring Service Selection Message Mediation
Oliver Moser Florian Rosenberg Schahram Dustdar
Distributed Systems Group, Technical University ViennaArgentinierstr. 8/184-1, 1040 Vienna, Austria
国际会议
第十七届国际万维网大会(the 17th International World Wide Web Conference)(WWW08)
北京
英文
2008-04-21（万方平台首次上网日期，不代表论文的发表时间）