In the early days, Amazon's online business was One Big Application that held
all the business logic, all the display logic, and all the functionality that Amazon eventually became famous for: similarities, recommendations, Listmania, reviews, etc.In 2001, Amazon simply couldn't grow that system any longer, but they still needed to innovate. Amazon pioneered what's now called "service-oriented architecture" — dozens of different "services" devoted to one aspect of their business:
If you hit the Amazon.com gateway page [today], the application calls more than 100 services to collect data and construct the page for you.
Topics: · computing
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