II. Moving forward: Technical trends
Technical trends: Web services
W3C: It is set of applications that standardize communication of information across systems, business partners, and customers
They provide a standard means of interoperating between different software applications, running on a variety of platforms and/or frameworks
They can then be combined in a loosely coupled way in order to achieve complex operations
Programs providing simple services can interact with each other to deliver sophisticated added-value service
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