Weave provides an overlay network for Docker containers. It can be used as a plugin with the new Docker network plugin interface, and it is also compatible with Kubernetes through a CNI plugin. Like many overlay networks, many criticize the performance impact of the encapsulation overhead. Note that they have recently added a preview release with Virtual Extensible LAN (VXLAN) encapsulation support, which greatly improves performance. For more information, visit http://blog.weave.works/2015/06/12/weave-fast-datapath/.