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Practical Microservices with Dapr and .NET

You're reading from   Practical Microservices with Dapr and .NET A developer's guide to building cloud-native applications using the Dapr event-driven runtime

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Product type Paperback
Published in Dec 2020
Publisher Packt
ISBN-13 9781800568372
Length 280 pages
Edition 1st Edition
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Author (1):
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Davide Bedin Davide Bedin
Author Profile Icon Davide Bedin
Davide Bedin
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Table of Contents (16) Chapters Close

Preface 1. Section 1: Introduction to Dapr
2. Chapter 1: Introducing Dapr FREE CHAPTER 3. Chapter 2: Debugging Dapr Solutions 4. Section 2: Building Microservices with Dapr
5. Chapter 3: Service-to-Service Invocation 6. Chapter 4: Introducing State Management 7. Chapter 5: Publish and Subscribe 8. Chapter 6: Resource Bindings 9. Chapter 7: Using Actors 10. Section 3: Deploying and Scaling Dapr Solutions
11. Chapter 8: Deploying to Kubernetes 12. Chapter 9: Tracing Dapr Applications 13. Chapter 10: Load Testing and Scaling Dapr 14. Other Books You May Enjoy Appendix – Microservices Architecture with Dapr

Managing state in Dapr

In a microservice architecture, state refers to the collection of information that defines the context in which the microservice operates. In this section, we will learn how state can be managed and how Dapr does it.  

State, stateless, and stateful

The way state is managed defines whether a microservice is stateful (when it takes the responsibility of persisting the state upon itself) or stateless (when the state is not in its scope of responsibility).

An example of a stateful microservice would be a shopping cart microservice that keeps the list of items in a central location (such as a database) so the customer can transparently migrate between different devices to continue their shopping experience. The shopping cart microservice could be designed by keeping the state in the host/node memory and enforcing a policy at the load balancer level to route all further interactions from the client to the original node.

Would it be a good idea...

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