Calico
Calico is an open-source networking and network security solution designed for cloud-native applications, primarily used in Kubernetes environments. It provides networking, network policy enforcement, and observability features to secure and manage containerized workloads. Calico supports both overlay and non-overlay networking models, enabling flexible deployment in various infrastructure setups.
Developers should learn Calico when working with Kubernetes to implement fine-grained network security policies, such as controlling pod-to-pod communication and isolating workloads. It is essential for securing microservices architectures in production environments, ensuring compliance with security standards and preventing lateral movement of threats within clusters.