You're reading from AWS for Solutions Architects Design your cloud infrastructure by implementing DevOps, containers, and Amazon Web Services

Product type Paperback

Published in Feb 2021

Publisher Packt

ISBN-13 9781789539233

Length 454 pages

Edition 1st Edition

Tools

AWS

Concepts

Cloud Computing

Table of Contents (20) Chapters

Preface

1. Section 1: Exploring AWS

2. Chapter 1: Understanding AWS Cloud Principles and Key Characteristics FREE CHAPTER

3. Chapter 2: Leveraging the Cloud for Digital Transformation

4. Section 2: AWS Service Offerings and Use Cases

5. Chapter 3: Storage in AWS – Choosing the Right Tool for the Job

6. Chapter 4: Harnessing the Power of Cloud Computing

7. Chapter 5: Selecting the Right Database Service

8. Chapter 6: Amazon Athena – Combining the Simplicity of Files with the Power of SQL

9. Chapter 7: AWS Glue – Extracting, Transforming, and Loading Data the Simple Way

10. Chapter 8: Best Practices for Application Security, Identity, and Compliance

11. Section 3: Applying Architectural Patterns and Reference Architectures

12. Chapter 9: Serverless and Container Patterns

13. Chapter 10: Microservice and Event-Driven Architectures

14. Chapter 11: Domain-Driven Design

15. Chapter 12: Data Lake Patterns – Integrating Your Data across the Enterprise

16. Chapter 13: Availability, Reliability, and Scalability Patterns

17. Section 4: Hands-On Labs

18. Chapter 14: Hands-On Lab and Use Case

19. Other Books You May Enjoy

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Understanding state-machine services

In some cases, the application logic and data flow may be complex, and just using AWS Lambda to try to implement the logic may prove difficult. In those situations, we may want to use another AWS service that is better suited to implementing this logic and flow—a service that can implement a state machine and keep track of its state. AWS has a service that fits this bill and can help to fill this gap—AWS Step Functions.

AWS Step Functions is a service that provides the coordination of individual pieces in applications. The coordination can be specified in a simple way using a visual editor. Applications can be put together by assembling these individualized software components. Each of the components specializes in one or a few tasks.

AWS provides a graphical editor to display and edit the system components. These are displayed as a series of steps. AWS Step Functions can trigger and track these steps and retry a task a specified...