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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Uma abordagem para avalia??o e tratamento de exce??es propagadas no uso de servi?os Web em .Net / An approach to evaluating and handling of propagated exceptions in .Net Web services

Lima, Jos? Alex Medeiros de 27 February 2015 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-03-09T23:06:18Z No. of bitstreams: 1 JoseAlexMedeirosDeLima_DISSERT.pdf: 2415458 bytes, checksum: 5a42b81151bcf9ace7867b8305c4dc65 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-03-11T19:45:39Z (GMT) No. of bitstreams: 1 JoseAlexMedeirosDeLima_DISSERT.pdf: 2415458 bytes, checksum: 5a42b81151bcf9ace7867b8305c4dc65 (MD5) / Made available in DSpace on 2016-03-11T19:45:39Z (GMT). No. of bitstreams: 1 JoseAlexMedeirosDeLima_DISSERT.pdf: 2415458 bytes, checksum: 5a42b81151bcf9ace7867b8305c4dc65 (MD5) Previous issue date: 2015-02-27 / Alta confiabilidade, disponibilidade e toler?ncia ? falha ainda s?o problemas em aberto em arquiteturas orientadas a servi?os (SOA). A possibilidade de gera??o de aplica??es de software, integrando servi?os de dom?nios heterog?neos, de uma forma mais confi?vel, faz valer a pena enfrentar os desafios inerentes a esse paradigma. Para garantir a qualidade na composi??o desses servi?os, algumas pesquisas se esfor?am para propor a ado??o de t?cnicas de verifica??o para identificar e corrigir os erros. Nesse contexto, manipula??o de exce??o ? um poderoso mecanismo para incrementar a qualidade em SOA. Diversos trabalhos de pesquisa s?o concentrados em mecanismos para propaga??o de exce??o em servi?os web, implementados em muitas linguagens e frameworks. No entanto, para a extens?o do nosso conhecimento, n?o s?o encontrados trabalhos que avaliam esses mecanismos em SOA no que diz respeito ao framework .NET. A principal contribui??o desse trabalho ? avaliar e propor mecanismos de propaga??o de exce??o em SOA para aplica??es desenvolvidas com o framework .NET. Nessa dire??o, esse trabalho: (i) estende um estudo anterior, mostrando a necessidade de se propor uma solu??o para a propaga??o de exce??o em SOA para aplica??es desenvolvidas em .NET, e (ii) apresenta uma solu??o, tomando como base um modelo obtido a partir dos resultados encontrados em (iii) e implementa e avalia a solu??o proposta em duas aplica??es reais. / High dependability, availability and fault-tolerance are open problems in Service-Oriented Architecture (SOA). The possibility of generating software applications by integrating services from heterogeneous domains, in a reliable way, makes worthwhile to face the challenges inherent to this paradigm. In order to ensure quality in service compositions, some research efforts propose the adoption of verification techniques to identify and correct errors. In this context, exception handling is a powerful mechanism to increase SOA quality. Several research works are concerned with mechanisms for exception propagation on web services, implemented in many languages and frameworks. However, to the extent of our knowledge, no works found evaluates these mechanisms in SOA with regard to the .NET framework. The main contribution of this paper is to evaluate and to propose exception propagation mechanisms in SOA to applications developed within the .NET framework. In this direction, this work: (i)extends a previous study, showing the need to propose a solution to the exception propagation in SOA to applications developed in .NET, and (ii) show a solution, based in model obtained from the results found in (i) and that will be applied in real cases through of faults injections and AOP techniques.

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