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Towards self-diagnosing Web Services Liliana Ardissono, Luca Console, Anna Goy,

Summary: Towards self-diagnosing Web Services
Liliana Ardissono, Luca Console, Anna Goy,
Giovanna Petrone, Claudia Picardi, Marino Segnan
Dip. Informatica ­ Universit`a di Torino
Daniele Theseider Dupr“e
Dip. Informatica
Universit`a del Piemonte Orientale
Abstract--Distributed software systems would benefit from
autonomous fault management capabilities, but current prac-
tice is only based on handling exceptions without attempts at
identifying causes for them. This paper is a step toward Web
Services with autonomous diagnostic capabilities. It provides a
novel context of application for model-based diagnosis, a contex
which motivates a partially distributed approach. We consider
complex services, built as a composition of simpler ones, and we
associate a diagnoser with each component service, and a global
diagnoser with the complex one. We characterize local diagnosers,
based on abstract models of individual services, and we present


Source: Ardissono, Liliana - Dipartimento di Informatica, Universitą di Torino


Collections: Computer Technologies and Information Sciences