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Title: Web services recovery mechanisms
Author: Costa, Rui Filipe Vital Guerreiro da
Advisor: Ferreira, Carla
Keywords: Web Services
Recovery Mechanisms
Business transactions
Defense Date: 2009
Publisher: Faculdade de Ciências e Tecnologia
Abstract: In web services context it is not possible to use the usual concept of ACID transactions because of several factors. For instance, business transaction in general have a long duration that can be extended to several months or can involve the coordination and interaction of activities executed by different partners. In these cases, atomicity is not preserved, therefore the usual recovery mechanisms cannot be used, like the rollback. In business transaction, failure treatment can be made by compensation mechanisms in which are defined actions of compensation for the actions that cannot be reverted automatically. The goal of this dissertation is to define a set of patterns that represent the common use of the recovery mechanisms at business level. A graphical notation of easy comprehension will be developed to show how the recovery mechanisms work to all kind of people with different background formation.
Description: Dissertação de Mestrado em Engenharia Informática
Appears in Collections:FCT: DI - Dissertações de Mestrado

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