Layer 3 SDN

Package Delivery


Calico proves that the router on the host approach is valid and works well, conveniently implementing networks for cloud VMs and containers without the overhead of encapsulation or other techniques. Calico can't hide its preference for Kubernetes, but it works well with other orchestrators, too. If you are looking for a versatile SDN solution well removed from Open vSwitch and the like, you would do well to take a closer look at Calico.


  1. Project Calico:
  2. Apache-2.0:
  3. Attribution 4.0 International (CC BY 4.0):
  4. Istio:

The Author

Martin Gerhard Loschwitz is Cloud Platform Architect at Drei Austria, where he mainly works with OpenStack, Ceph, and Kubernetes.

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