Cilium is open source software for transparently securing the network connectivity between application services deployed using Linux container management platforms like Docker and Kubernetes.
Cilium 1.0.0-rc4 has recently been released, which includes: the Cloud Native Computing Foundation (CNCF)-hosted Envoy configured as the default HTTP/gRPC proxy; the addition of a simple health overview for connectivity and other errors; and an improved scalable kvstore interaction layer.