Running Kubernetes on CoreOS is a great start, but you may find that you want a higher level of support. Enter Tectonic, the CoreOS enterprise offering for running Kubernetes with CoreOS. Tectonic uses many of the components we already discussed. CoreOS is the OS and both Docker and rkt runtimes are supported. In addition, Kubernetes, etcd, and flannel are packaged together to give a full stack of cluster orchestration. We discussed flannel briefly in Chapter 3, Networking, Load Balancers, and Ingress. It is an overlay network that uses a model similar to the native Kubernetes model, and it uses etcd as a backend.
Offering a support package similar to Red Hat, CoreOS also provides 24x7 support for the open-source software that Tectonic is built on. Tectonic also provides regular cluster updates and a nice dashboard with views for all the components of Kubernetes. CoreUpdate allows users to have more control...
