Kubernetes is very complicated, but BGP is not. If the curve for BGP is too steep, you can do OSPF inside your racks with BGP announcements to spine. This is pr

Kubernetes is very complicated, but BGP is not. If the curve for BGP is too steep, you can do OSPF inside your racks with BGP announcements to spine. This is pretty common as OSPF can use area 0 with little to zero configuration. BGP leaf to spine is standard is layer 3 networks.