Model-based QoS-enabled self-healing Web Services

Olga Nabuco (1) , Riadh Ben Halima (2, 3) , Khalil Drira (2) , Maria Grazia Fugini (4) , Stefano Modafferi (4) , Enrico Mussi (4)

1 CENPRA - Research Center Renato Archer
2 LAAS - Laboratoire d'analyse et d'architecture des systèmes
3 REDCAD - Unité de Recherche en développement et contrôle d'applications distribuées
4 Dipartimento di Elettronica e Informazione

Failures during web service execution may depend on a wide variety of causes, such as network faults, server crashes, or application-related errors, such as unavailability of a requested web service, errors in the orchestration of choreography of applications, missing data or parameters in an execution flow, or low Quality of Service (QoS). In this paper, we propose a healing architecture able to handle web service faults in a self- healing way, discussing infrastructural faults and web service and Web application faults. The self-healing architecture manages repair actions, such as substitution of a faulty service or duplication of overloaded services. Implemented prototypes involving QoS in coordinated web services are illustrated and discussed.

Domaines: Génie logiciel [cs.SE]

Olga Nabuco, Riadh Ben Halima, Khalil Drira, Maria Grazia Fugini, Stefano Modafferi, et al.. Model-based QoS-enabled self-healing Web Services. 1st International Workshop on Data Management in Virtual Engineering, Sep 2008, Turin, Italy. pp.711-715. ⟨hal-00438850⟩