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Gravitee Acquires Ambassador Labs

We’re excited to share that Ambassador Labs is now part of Gravitee! Read More

Back to Kubernetes Glossary

Kube-Proxy

What is a kube-proxy?

Kube-proxy is the routing layer used by Kubernetes to route traffic between nodes in a cluster. Built on iptables, kube-proxy operates at Layer 4, e.g., it routes TCP, UDP, and SCTP.

Impact today

Most traffic inside a cluster today operates at Layer 7 (e.g., HTTP, gRPC). Because kube-proxy routes at Layer 4, this can impact optimal load balancing within a cluster, depending on workload.

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