ch1 - Lebanese University Faculty of Economic Sciences and...

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Lecture notes in Web services Chapter 1 Introduction to Web services Prepared by Dr. Lina Nimri for M2 Informatics class Based on: Web Services - A Technical Introduction, Deitel Lebanese University Faculty of Economic Sciences and Business Administration- First Branch
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Plan Introduction Computing advancements Emergence of Web services Web services advantages Web services challenges
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Introduction Innovations in computers: OOP; distributed computing; Internet protocols; XML Outline: What Web services are? Key concepts Benefits of Web services to businesses When and how to adopt this technology? Web services technology represents the next stage in distributed computing. Web services involve a set of standards that enable any computer applications to communicate and exchange data via the Internet, thus Web services facilitate the business process.
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Computing advancements 1. Structured programming to object technology •. Structured programming : an approach of creating programs that are clear, correct, and easy to modify •. OOP : Objects reflect the way in which we perceive the world, and they provide productivity gain and reuse of code •. Web services enable developers to create applications from existing software components (modular approach), which makes the Internet an enormous library.
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