---
title: Service Name
---
A unique name for a [service](#service), identifying it within the [service mesh](#service-mesh).
A service may not be renamed and maintain its identity, each service name is unique.
A service may have multiple [versions](#service-version), but a service name is version-independent.
  * Service names are accessible in Istio configuration as the `source.service` and `destination.service` [attributes](#attribute).