You're reading from Kubernetes and Docker - An Enterprise Guide Effectively containerize applications, integrate enterprise systems, and scale applications in your enterprise

Product type Paperback

Published in Nov 2020

Publisher Packt

ISBN-13 9781839213403

Length 526 pages

Edition 1st Edition

Tools

Docker

Concepts

Cloud Computing

Authors (2):

Marc Boorshtein

Scott Surovich

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Table of Contents (20) Chapters

Preface

1. Section 1: Docker and Container Fundamentals

2. Chapter 1: Docker and Container Essentials FREE CHAPTER

3. Chapter 2: Working with Docker Data

4. Chapter 3: Understanding Docker Networking

5. Section 2: Creating Kubernetes Development Clusters, Understanding objects, and Exposing Services

6. Chapter 4: Deploying Kubernetes Using KinD

7. Chapter 5: Kubernetes Bootcamp

8. Chapter 6: Services, Load Balancing, and External DNS

9. Section 3: Running Kubernetes in the Enterprise

10. Chapter 7: Integrating Authentication into Your Cluster

11. Chapter 8: RBAC Policies and Auditing

12. Chapter 9: Deploying a Secured Kubernetes Dashboard

13. Chapter 10: Creating PodSecurityPolicies

14. Chapter 11: Extending Security Using Open Policy Agent

15. Chapter 12: Auditing using Falco and EFK

16. Chapter 13: Backing Up Workloads

17. Chapter 14: Provisioning a Platform

18. Assessments

19. Other Books You May Enjoy

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Layer 4 load balancers

Layer 4 of the OSI model is responsible for protocols such as TCP and UDP. A load balancer that is running in layer 4 accepts incoming traffic based on the only IP address and port. The incoming request is accepted by the load balancer, and based on a set of rules, the traffic is sent to the destination IP address and port.

There are lower-level networking operations in the process that are out of the scope of this book. HAproxy has a good summary of the terminology and example configurations on their website at https://www.haproxy.com/fr/blog/loadbalancing-faq/.

Layer 4 load balancer options

There are multiple options available to you if you want to configure a layer 4 load balancer for a Kubernetes cluster. Some of the options include the following: