Book Image

AWS Cloud Computing Concepts and Tech Analogies

By : Ashish Prajapati, Juan Carlos Ruiz, Marco Tamassia
Book Image

AWS Cloud Computing Concepts and Tech Analogies

By: Ashish Prajapati, Juan Carlos Ruiz, Marco Tamassia

Overview of this book

This book makes understanding cloud computing easy by providing relatable examples that simplify the complex technology. By drawing parallels between cloud concepts and everyday scenarios, we will demystify cloud tech, and once you start to understand it, learning cloud computing will be more enjoyable. This book will help you learn about cloud computing in general and AWS specifically, as you follow the journey of TrendyCorp—a fictitious company gearing up to move from traditional IT to cloud computing. You’ll shape your understanding of the cloud through scenarios of interactions between TrendyCorp’s new hires, seasoned IT professionals, external consultants, and the board of directors engaged in modernizing their applications. These characters’ discussions and actions are focused on learning about cloud services by drawing comparisons between the technology and examples taken from real life. Through this book, you’ll realize that cloud computing concepts have more in common with your day-to-day scenarios and situations than you’ve ever imagined. This book offers a conversational and entertaining narrative that anyone working in IT and looking to understand how the cloud works will be able to follow. By the end of it, you’ll have developed a clear and simplified perspective of cloud technologies.
Table of Contents (22 chapters)
1
Part 1: Cloud Infrastructure and Core Services
7
Part 2: Platform Services
12
Part 3: Application Services

Some considerations – how do users interact with a variable number of servers?

After the previous explanations, Harold is thinking about a more philosophical question: how to use the existing applications, which were never designed for the cloud, in the new auto scaling environment. This question will lead to lots of interesting possibilities and many improvements in high availability and security.

Harold: Thinking about EC2 auto scaling, I have an important doubt.

Charles: Shoot.

Harold: Let’s imagine a real but simple scenario. We have our company web server, with all those web pages served using HTTPS from EC2 instances. Remember, these are dynamic pages, with our price list, products, catalog, orders, and so on. So, we can’t use S3 for them.

Alex: Yes, I remember we commented to create a web server in EC2, similar to the one we had on-premises.

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