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Kubernetes – An Enterprise Guide - Second Edition

You're reading from Kubernetes – An Enterprise Guide - Second Edition

Product type Book

Published in Dec 2021

Publisher Packt

ISBN-13 9781803230030

Pages 578 pages

Edition 2nd Edition

Languages

Concepts

Cloud Computing

Authors (2):

Marc Boorshtein

Scott Surovich

View More author details

Table of Contents (17) Chapters

Preface

1. Docker and Container Essentials

2. Deploying Kubernetes Using KinD

3. Kubernetes Bootcamp

4. Services, Load Balancing, ExternalDNS, and Global Balancing

5. Integrating Authentication into Your Cluster

6. RBAC Policies and Auditing

7. Deploying a Secured Kubernetes Dashboard

8. Extending Security Using Open Policy Agent

9. Node Security with GateKeeper

10. Auditing Using Falco, DevOps AI, and ECK

11. Backing Up Workloads

12. An Introduction to Istio

13. Building and Deploying Applications on Istio

14. Provisioning a Platform

15. Other Books You May Enjoy

16. Index

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 beyond 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:

HAproxy
NGINX Pro
SeeSaw
F5 Networks
MetalLB
And more…

Each option provides layer 4 load balancing, but for the purpose of this book, we felt...

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Authors (2)

Marc Boorshtein

Marc Boorshtein has been a software engineer and consultant for 20 years and is currently the CTO (Chief Technology Officer) of Tremolo Security, Inc. Marc has spent most of his career building identity management solutions for large enterprises, U.S. Government civilian agencies, and local government public safety systems.

See other products by Marc Boorshtein

Scott Surovich

Scott Surovich has been involved in the industry for over 25 years and is currently the Global Container Engineering Lead at a tier 1 bank as the Global on-premises Kubernetes product owner architecting and, delivering cluster standards, including the surrounding ecosystem. His previous roles include working on other global engineering teams, including Windows, Linux, and virtualization.

See other products by Scott Surovich

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