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

Authentication and authorization in the cloud

Later, all of the team are gathered around Raj’s desk so that he can walk them through the IAM service:

Raj: Okay. Let me first explain some basic concepts first, and then we will address the requirements of the software engineering team.

An account in AWS is a fundamental part of accessing AWS services. Every account has a unique 12-digit number, such as 123456789012, to identify it. This number is randomly assigned by AWS when you sign up for a new account. An AWS account serves two basic functions. First, it acts as a container for the resource you create. When you create an Amazon S3 bucket or an Amazon EC2 instance, you are creating a resource in your AWS account. Every resource gets a unique identifier for itself called an Amazon Resource Name (ARN). Second, it also acts as a security boundary for your AWS resources. Any resource you create is available only to users who have credentials for that...