Check out the release notes for highlights of what’s new, including:
- a new resource-based UX model (similar to Kubernetes’ idioms)
- significant performance improvements
- improved packaging including simplified installation for Kubernetes
- a new dataplane driver API (experimental)
- a new pluggable backend data store model for Kuberenetes deployments, removing the need for etcd by adding support for using Kubernetes itself as the data store.
While I’ve mentioned Kubernetes several times here, and that is the fastest-moving area right now, Calico of course still supports all the same platforms including Docker libnetwork, Mesos and DC/OS, OpenStack – and even bare metal.
Under the hood, there have been plenty of architectural enhancements, including moving a lot of code to golang, for greater performance than was possible with the original Python. However, other than the intentional new features, you should not notice any changes in external behavior or data model.
Thanks to everyone who provided feedback on the beta. And apologies to those trying to get PR’s submitted while we froze code to get 2.0 out of the door – we promise we’ll be coming back to review all those great contributions and hopefully get them into the next release. It’s been great to see our wonderful community of users and developers embracing the project and helping to push forward its continuing evolution!
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