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Cloud Application Architectures: Building Applications and Infrastructure in the Cloudby George Reese
Synopses & Reviews
How can a company's applications be scalable and have high availability?
To achieve this, along with developing the applications, you must also have an infrastructure that can support them. For example, you may need to add servers or increase the capacities of existing ones, have redundant hardware, add logic to the application to handle distributed computing, and add logic for failovers. You have to do this even if an application is in high demand for only short periods of time. Life becomes even more complicated (and expensive) when you start to consider issues such as network latency and security boundaries.
The cloud offers a solution to this dilemma. The cloud is made up of interconnected servers located in various data centers. However, you see what appears to be a centralized location that someone else hosts and manages. By shifting the responsibility of maintaining an infrastructure to someone else, you're free to concentrate on what matters most: the application. If the cloud has data centers in different geographical areas, you can move your content closer to the people who are using it most. If an application is heavily used in Asia, have an instance running in a data center located there. This kind of flexibility may not be available to you if you have to own all the hardware.
Another advantage to the cloud is that it's a pay as you go proposition. If you don't need it, you don't have to pay for it. When demand is high, you can scale up, and when demand is low, you can scale back. Yes, by moving applications to the cloud, you're giving up some control and autonomy, but you're also going to benefit from reduced costs, increased flexibility, and scalable computation and storage. The Windows Azure Architecture Guide shows you how to do this.
Reese explains the differences between traditional server hosting and using Cloud services. He then provides practical guidelines for key decisions and planning required of system administrators.
If you're involved in planning IT infrastructure as a network or system architect, system administrator, or developer, this book will help you adapt your skills to work with these highly scalable, highly redundant infrastructure services.
To provide realistic examples of the book's principles in action, the author delves into some of the choices and operations available on Amazon Web Services, and includes high-level summaries of several of the other services available on the market today.
Cloud Computing is here to stay. As an economically viable way for businesses of all sizes to distribute computing, this technology shows tremendous promise. But the intense hype surrounding the Cloud is making it next to impossible for responsible IT managers and business decision-makers to get a clear understanding of what the Cloud really means, what it might do for them, when it is practical, and what their future with the Cloud looks like.
The Cloud at Your Service helps cut through all this fog to help enterprises make these critical decisions based on facts and the authors' informed unbiased recommendations and predictions.
About the Author
Jothy Rosenberg is a professor-turned-entrepreneur who has founded six companies. He has written two previous technical books and holds several patents. Jothy has a PhD in Computer Science from Duke University.
Arthur Mateos left his career as an experimental nuclear physicist to become a technology entrepreneur. He was an early pioneer of the CDN space and has a patent awarded on Content Distribution technology. Arthur holds an A.B. in Physics from Princeton University, and a Ph.D. in Nuclear Physics from MIT.
Table of Contents
PrefaceChapter 1: Cloud ComputingChapter 2: Amazon Cloud ComputingChapter 3: Before the Move into the CloudChapter 4: Ready for the CloudChapter 5: SecurityChapter 6: Disaster RecoveryChapter 7: Scaling a Cloud InfrastructureAmazon Web Services ReferenceGoGridRackspaceColophon
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