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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
Authors (2):
Marc Boorshtein Marc Boorshtein
Profile icon Marc Boorshtein
Scott Surovich Scott Surovich
Profile icon 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

Do I need an API gateway?

If you're using Istio, do you still need an API gateway? In the past, Istio has been primarily concerned with routing traffic for services. It got traffic into the cluster and figured out where to route it to. API gateways have more typically been focused on application-level functionality such as authentication, authorization, input validation, and logging.

For example, earlier in this chapter we identified schema input validation as a process that needs to be repeated for each call and shouldn't need to be done manually. This is important to protect against attacks that can leverage unexpected input and also makes for a better developer experience to provide feedback to developers sooner in the integration process. This is a common function for API gateways, but is not available in Istio.

Another example of a function that is not built into Istio, but is common for API gateways, is logging authentication and authorization decisions and...

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