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Mastering Kubernetes

You're reading from   Mastering Kubernetes Level up your container orchestration skills with Kubernetes to build, run, secure, and observe large-scale distributed apps

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Product type Paperback
Published in Jun 2020
Publisher Packt
ISBN-13 9781839211256
Length 642 pages
Edition 3rd Edition
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Author (1):
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Gigi Sayfan Gigi Sayfan
Author Profile Icon Gigi Sayfan
Gigi Sayfan
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Table of Contents (19) Chapters Close

Preface 1. Understanding Kubernetes Architecture 2. Creating Kubernetes Clusters FREE CHAPTER 3. High Availability and Reliability 4. Securing Kubernetes 5. Using Kubernetes Resources in Practice 6. Managing Storage 7. Running Stateful Applications with Kubernetes 8. Deploying and Updating Applications 9. Packaging Applications 10. Exploring Advanced Networking 11. Running Kubernetes on Multiple Clouds and Cluster Federation 12. Serverless Computing on Kubernetes 13. Monitoring Kubernetes Clusters 14. Utilizing Service Meshes 15. Extending Kubernetes 16. The Future of Kubernetes 17. Other Books You May Enjoy
18. Index

Understanding cluster federation

Cluster federation is conceptually simple. You aggregate multiple Kubernetes clusters and treat them as a single logical cluster. There is a federation control plane that presents to clients a single unified view of the system.

The following diagram demonstrates the big picture of the Kubernetes Cluster Federation. The pink box is a host cluster that runs the federation APIs and the green boxes are member clusters:

Figure 11.1: The Kubernetes Cluster Federation

The federation control plane consists of a federation API server and a federation controller manager that collaborate with each other. The federated API server forwards requests to all the clusters in the federation. In addition, the federated controller manager performs the duties of the controller manager across all of the clusters by routing requests to the individual federation cluster members' changes. In practice, cluster federation is not trivial and...

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