How Pods access Kubernetes DNS in Docker EE, part two
This is part two of a two-part blog about Kubernetes DNS resolution and network access by Pods in Kubernetes. In part one we looked at internal Kubernetes DNS and how DNS resolution is configured for containers. In this part, we look at how network traffic gets from the containers in user workload Pods to Pods providing DNS functionality. We’re using Kubernetes running under Docker EE UCP (Docker Enterprise Edition Universal Control Plane) in this example. You can find more information about Docker EE here. Docker EE uses the Calico network plugin for Kubernetes, so some of the details are specific to Calico.
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