The Cloud at Your Service Review

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The Cloud at Your Service ReviewI am very impressed with the quality of this book as each of the nine chapters is very well written and weaved together to tell a very powerful story. It builds up a very compelling case for cloud computing as the book covers many aspects of cloud computing with sufficient technical depth from general, high level concepts and classifications down to design of cloud-enabled applications for scalability and reliability.
There are currently 3 classifications for cloud computing:
1)IaaS (Infrastructure as a Service) - Amazon EC2, Microsoft Azure etc
2)PaaS (Platform as a Service) - Google App Engine, VMWare CloudFoundry, Microsoft Azure etc
3)SaaS (Software as a Service) - Salesforce Force.com, Google Docs etc
The author presents a very clear explanation for each of the different classifications of cloud computing and even shows us some basic REST API on how to access Amazon EC2 and S3. The elasticity (on demand) and pay-as-you-use nature of cloud computing provides real savings in dollars and cents and provide agility to the business as the author carefully draws out. I like how the author makes the case that cloud computing is here to stay and will be the disruptive technology of today as it is adopted based on real business needs instead of based solely on technology. There will definitely be a huge emergence of zero-cost startups who can go a long way without asking for VC fundings as they can get infrastructure with thousands of servers serving millions of users with fraction of costs compared to the traditional way of owning IT infrastructure in house.
Security is a major concern in adopting cloud technology. The author acknowledged it and attempted to address the concerns by showing various security precautions taken by existing cloud vendors. Throughout the book, the author takes a neutral stance on various issues and even layout various reasons when NOT to use cloud. However, I sense the author tried to too easily dismiss security as a valid and serious concern for adopters as he believed cloud vendors will provide much better security than even in house data centers in the near future.
The author also presents an intriguing case on how open source movement will drive the adoption of cloud computing, just like cloud computing will fuel the growth of open source. The same relationship also exists for smart devices where the exponential growth of smart devices accessing the web will accelerate the adoption of cloud computing and making the current devices even more powerful and appealing. For those more technical readers who are looking to implement cloud technologies, you will not be disappointed even when this book appeals to a very broad audience. It goes into distributed database concepts such as sharding, mapreduce and cloud bursting using hybrid clouds like amazon virtual private clouds. If you want to know what cloud computing is and why the hype around it, just buy and read this book. You will be glad you did.The Cloud at Your Service Overview

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