Calico is a popular Kubernetes networking solution known for its flexibility, performance, and robust security capabilities.It uses standard networking protocols like BGP and VXLAN, making it simple and efficient for large-scale deployments.Calico has built-in support for Kubernetes network policies, providing fine-grained control over pod-to-pod communication.Installation can be done through the Helm Chart or traditional YAML manifest method, with Helm offering advantages like easy upgrades and management.