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Document session affinity option.

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Closes #2867
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Eric Tune 2015-04-30 12:41:21 -07:00
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docs/services.md
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@ -109,6 +109,9 @@ appropriate backend without the clients knowing anything about Kubernetes or
![Services overview diagram](services_overview.png) ![Services overview diagram](services_overview.png)
By default, the choice of backend is random. Client-IP-based session affinity
can be selected by setting `service.spec.sessionAffinity` to `"ClientIP"`.
### Why not use round-robin DNS? ### Why not use round-robin DNS?
A question that pops up every now and then is why we do all this stuff with A question that pops up every now and then is why we do all this stuff with