Real world web services

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The core idea behind this book is to explore what major players are actually doing with web services after years of hype. It serves as a field guide to the complex world of deployed web services, focusing on practical applications rather than theoretical debates. The book features a series of projects that demonstrate the integration of services from Google, Amazon, eBay, PayPal, FedEx, and more. Notably, eBay handles over a billion web service requests monthly, showcasing the success of these deployments. The author presents eight fully developed example web applications that utilize the best available web services. These applications automate tasks such as auction listings, dynamic shipping calculations, and sending faxes to suppliers. Additionally, it covers aggregating data from various news and web service feeds and monitoring web discussions to keep visitors informed on trending topics. Each example includes a comprehensive overview, architecture, and complete working code. The focus is on the practical use of web services as an evolution in distributed computing, facilitating structured communication through Internet protocols. This encompasses everything from sending HTTP GET commands to retrieving XML documents using SOAP and various vendor SDKs.