The blog post introduces the key features and improvements in Calico v3.31, focusing on the integration of eBPF (Extended Berkeley Packet Filter) and nftables, which enhance network performance and security. It highlights advancements in network policy management and observability, aiming to streamline Kubernetes networking capabilities.

Kubernetes traffic management is evolving with the introduction of the Gateway API, which addresses the limitations of traditional Ingress controllers by offering standardization, role-based architecture, and richer features. The Calico Ingress Gateway, powered by Envoy, provides a robust implementation of this new standard, allowing for secure application deployments with automated TLS management. This blog details the setup process and key configurations needed to leverage these advancements in a Kubernetes environment.