Connecting Multiple OpenShift SDNs with a Network Tunnel

Connecting Multiple OpenShift SDNs with a Network Tunnel

Introduction Istio, the upstream project for Red Hat OpenShift Mesh, has an interesting feature that allows you to extend the service mesh across multiple OpenShift clusters. The main requirement to implement this feature is that the IPs of the pods of the clusters that comprise the service mesh are all routable between each other. That […]

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[Podcast] PodCTL #47 – VM Admin vs Container Admin

[Podcast] PodCTL #47 - VM Admin vs Container Admin

This week, we were watching as fall trade show season got started and we noticed that one of the Container 101 sessions had a packed room. This led to a discussion about how many people were still at the 101 stages of container knowledge. TL;DR – it’s still a lot! So we thought it would […]

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[Podcast] PodCTL #29 – Kubernetes Networking

[Podcast] PodCTL #29 - Kubernetes Networking

In any environment, networking can be a complex topic. In a Kubernetes environment, there are potentially many layers of networking machinery that are required to make sure that applications are properly addressed, routed and secured. So this week we decided to break down all of the components of a Kubernetes (and OpenShift) networking environment with […]

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What’s New in OpenShift 3.5: Network Policy (Tech Preview)

openshift_container_platform

In OpenShift 3.5 we’ve introduced Kubernetes Network Policy as a Tech Preview feature to improve the way we configure allowable traffic between pods. Put simply, Network Policy is an easy way for Project Administrators to define exactly what ingress traffic is allowed to any pod, from any other pod, including traffic from pods located in other projects.

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