Implementing Cloud Design Patterns for AWS（Second Edition）

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Introduction to AWS

Amazon—aren't they an online bookstore? This is what someone in the late 1990s might have asked. Nowadays, with nearly 40% of the e-commerce market in the US and over 30% in India, everyone knows who they are. But not so well-known outside of technology circles is Amazon Web Services (AWS). Amazon describes this part of the business as follows:

AWS is a secure cloud services platform ( https://aws.amazon.com/what-is-cloud-computing/), offering compute power, database storage, content delivery, and other functionality to help businesses scale and grow. Millions of customers ( https://aws.amazon.com/solutions/case-studies/) are currently leveraging AWS cloud products ( https://aws.amazon.com/products/) and solutions ( https://aws.amazon.com/solutions/) to build sophisticated applications with increased flexibility, scalability, and reliability ( https://aws.amazon.com/what-is-aws/).

Amazon is currently the leader in the cloud infrastructure business with 33% market share—about the same as Google Cloud, Azure, and IBM combined. They're using their huge lead, and the profits from it, to invest in new services to further differentiate themselves. Since the publishing of the first edition of this book, they've added hundreds of new offerings. Millions of customers are taking advantage of these services. The initial target market of startups and small businesses has spawned web-scale enterprises such as Netflix, Pinterest, and Airbnb. The Fortune 500 and governments around the world are also on board.

On an annual basis, all of Amazon's operating income derived from AWS in 2017 ( https://www.zdnet.com/article/all-of-amazons-2017-operating-income-comes-from-aws/).