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Re: Why openshift requires DNS server



AFAIK, the kube-dns resolve the service-names inside the cluster.

The dns server required by OpenShift gives the applications external accessibility.

With the dns resolution and the route you created for your application, you can access your web application anywhere.


On 07/13/2017 05:09 PM, Yu Wei wrote:

Hi,

I'm learning OpenShift by setting up cluster with VMs.

From the document, some content about DNS is as below,

OpenShift Origin requires a fully functional DNS server in the environment. This is ideally a separate host running DNS software and can provide name resolution to hosts and containers running on the platform.


Why does separate dns server need? Could kub-dns be used?


Thanks,

Jared, (韦煜)
Software developer
Interested in open source software, big data, Linux



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