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Microservices with Go

You're reading from   Microservices with Go Building scalable and reliable microservices with Go

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Product type Paperback
Published in Nov 2022
Publisher Packt
ISBN-13 9781804617007
Length 328 pages
Edition 1st Edition
Languages
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Author (1):
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Alexander Shuiskov Alexander Shuiskov
Author Profile Icon Alexander Shuiskov
Alexander Shuiskov
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Table of Contents (19) Chapters Close

Preface 1. Part 1: Introduction
2. Chapter 1: Introduction to Microservices FREE CHAPTER 3. Part 2: Foundation
4. Chapter 2: Scaffolding a Go Microservice 5. Chapter 3: Service Discovery 6. Chapter 4: Serialization 7. Chapter 5: Synchronous Communication 8. Chapter 6: Asynchronous Communication 9. Chapter 7: Storing Service Data 10. Chapter 8: Deployment with Kubernetes 11. Chapter 9: Unit and Integration Testing 12. Part 3: Maintenance
13. Chapter 10: Reliability Overview 14. Chapter 11: Collecting Service Telemetry Data 15. Chapter 12: Setting Up Service Alerting 16. Chapter 13: Advanced Topics 17. Index 18. Other Books You May Enjoy

Asynchronous communication basics

In this section, we are going to cover some theoretical aspects of asynchronous communication. You will learn the benefits and the common issues of an asynchronous communication model, and the common ways of using it, as well as getting some real-world examples of asynchronous communication.

Asynchronous communication is communication between a sender and one or multiple receivers, where a sender does not necessarily expect an immediate response to their messages. In the synchronous communication model, which we covered in Chapter 5, the caller sending the request would expect an immediate (or nearly immediate, taking into account network latency) response to it. In asynchronous communication, it may take an arbitrary amount of time for the receiver to respond to the request, or to not respond at all (for example, when receiving a no-reply notification).

We can illustrate the differences between the two models using two examples. An example of...

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