Web Services e J2EE : uma soluÃÃo para integraÃÃo de sistemas em ambientes heterogÃneos

AUTOR(ES)

NÃvia Menezes de Oliveira

DATA DE PUBLICAÇÃO

2003

RESUMO

The necessity to solve problems made companies acquire systems in many development platforms (including programming language, DBMS and operating system), creating, this way, heterogeneous environments exchange information with others. Amongst those environments figure legacy systems, old system with a fundamental role in a company routine. Strategies to provide communication between systems are needed. This challenge has grown with the widespread use of Web, making this task more important and complex, because companies need to exchange information internally between departments, and externally, making easier the interaction with other companies. Due to system communication necessity and information exchange, EAI (Enterprise Application Integration) was born, it purpose is to provide a series of technologies and processes to enable communication between many legacy system and the Internet. Increasing necessities to make enterprise applications interoperable have conducted the development focus to distributed computing model. It is general belief that during next years, many companies will integrate these systems with new applications in a distributed environment. The main purpose of this dissertation is to study features of a new specification to system integration called Web Services, verifying Web Services interoperability and showing that it is possible to integrate many systems, independently of its original development platform, using Web Service specification. J2EE features that provide Web Services implementation are studied. An application to verify the interoperability provided by Web Services and J2EE platform is analyzed

ASSUNTO(S)

web service interoperability heterogeneous environment interoperabilidade engenharia eletrica web service integraÃÃo de sistemas ambiente heterogÃneos java 2 enterprise edition java 2 enterprise edition system integration

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