OpenShift Networking Explained

In the past, the application stack had very few components, maybe just a cache, web server, and database. The most common network service simply allows a source to reach an application endpoint or load balance to a number of endpoints using a load balancing algorithm. The sole purpose of the network was to provide endpoint reachability.

Changes inside the data center are driving networks and network services towards becoming more integrated with the application. Nowadays, the network function exists no longer solely to satisfy endpoint reachability; it is fully integrated and in the case of Red Hat's Openshift the network is represented as a Software-Defined Networking (SDN) layer.

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Matt Conran