Service topology alpha documentation

content/en/docs/concepts/services-networking/service-topology.md

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+---
+reviewers:
+- johnbelamaric
+- imroc
+title: Service Topology
+feature:
+  title: Service Topology
+  description: >
+    Routing of service traffice based upon cluster topology.
+
+content_template: templates/concept
+weight: 10
+---
+
+
+{{% capture overview %}}
+
+{{< feature-state for_k8s_version="v1.17" state="alpha" >}}
+
+_Service Topology_ enables a service to route traffic based upon the node
+topology of the cluster. For example, a service can specify that traffic be
+preferentially routed to endpoints that are on the same node as the client, or
+in the same availability zone.
+
+{{% /capture %}}
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+{{% capture body %}}
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+## Configuring service topology
+
+Placeholder text.
+
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+* [Enabling Service Topology](/docs/tasks/administer-cluster/enabling-service-topology)
+* Read [Connecting Applications with Services](/docs/concepts/services-networking/connect-applications-service/)
+
+{{% /capture %}}