Azure CNI powered by Cilium provides native support for the next generation Cilium eBPF dataplane in AKS clusters running Azure CNI. It offers Pod networking, highly scalable Kubernetes Network Policies, and high performance service load balancing with eBPF. The eBPF dataplane is available in both VNet mode and Overlay mode of Azure CNI.
Blog Post: Azure CNI Powered by Cilium for Azure Kubernetes Service (AKS)