<ul><li>ClusterIP is the default service type in Kubernetes that enables intra-cluster communication by exposing a virtual IP address.</li><li>Understanding how ClusterIP routes traffic internally is crucial for resolving production outages quickly.</li><li>Real-world case studies illustrate common ClusterIP issues such as label mismatches and backend unreachability.</li><li>Best practices to avoid ClusterIP failures include using readiness probes, monitoring Endpoints objects, auditing NetworkPolicies, enabling kube-proxy alerts, and aligning pod labels and selectors.</li></ul>

Inside Kubernetes: How ClusterIP Services Route Traffic to Pods With Real-World Debugging Case Study

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