SONA-CNI for Kubernetes

1. An extension work of SONA
   1. SONA originally aims to support OpenStack network only
   2. With SONA-CNI, SONA starts to support Kubernetes Network as well
2. A pure SDN based overlay solution
   1. NOT rely on kube-proxy, OpenvSwitch handles L3 load balancing
   2. NOT rely on iptables or ipvs, OpenvSwitch handles L2/L3 connectivity
3. Support all Kubernetes networking models
4. Fully compatible with Kubernetes CNI, no changes to Kubernetes
5. Support multiple tunneling protocols
   1. VxLAN, GRE and GENEVE
6. Aim provide line-rate performance
   1. Leverages DPDK, SmartNIC Dada-plane Acceleration technologies
7. Provide container to container traffic visibility (TODO)
   1. Telemetry, vTap, etc.