Understanding Istio ServiceEntry: How to Extend Your Service Mesh to External Endpoints

Alex Vazquez
4 min readJan 20, 2023
Photo by Vincentiu Solomon on Unsplash

What Is An Istio ServiceEntry?

Istio ServiceEntry is the way to define an endpoint that doesn’t belong to the Istio Service Registry. Once the ServiceEntry is part of the registry, it can define rules and enforce policies as if they belong to the mesh.

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Alex Vazquez

PSG Senior Architect at TIBCO Software with a focus on Cloud Development, Event Processing and Enterprise Integration