A FRAMEWORK FOR MONITORING AND RUNTIME RECOVERY OF WEB SERVICE-BASED APPLICATIONS

被引:0
|
作者
Pegoraro, Rene [1 ]
Halima, Riadh Ben [2 ]
Drira, Khalil [2 ]
Guennoun, Karim [2 ]
Rosario, Joao Mauricio [3 ]
机构
[1] Univ Estadual Paulista, Sao Paulo State Univ Bauru, Dept Comp Sci, Sao Paulo, Brazil
[2] Univ Toulouse, LAAS CNRS, F-31077 Toulouse, France
[3] Univ Estadual Campinas, UNICAMP, Mech Design Dept, Campinas, SP, Brazil
关键词
Web services; Self-healing; Service Oriented Architecture; Quality of Service;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Service provisioning is a challenging research area for the design and implementation of autonomic service-oriented software systems. It includes automated QoS management for such systems and their applications. Monitoring, Diagnosis and Repair are three key features of QoS management. This work presents a self-healing Web service-based framework that manages QoS degradation at runtime. Our approach is based on proxies. Proxies act on meta-level communications and extend the HTTP envelope of the exchanged messages with QoS-related parameter values. QoS Data are filtered over time and analysed using statistical functions and the Hidden Markov Model. Detected QoS degradations are handled with proxies. We experienced our framework using an orchestrated electronic shop application (FoodShop).
引用
收藏
页码:201 / +
页数:2
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