What is mTLS (Mutual TLS)?
A protocol where both client and server authenticate each other using TLS certificates. In Kubernetes, service meshes like Linkerd and Istio use mTLS for pod-to-pod encryption.
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Mesh Overhead
Calculate the RAM, CPU, and latency overhead of running Istio, Linkerd, or Cilium as a service mesh. Compare sidecar vs eBPF approaches per pod and cluster-wide.
Cilium Resources
Calculate Cilium CNI agent RAM and CPU requirements per node. Includes Hubble observability overhead, WireGuard encryption, and BPF map memory for network policies.
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Related Comparisons
Linkerd vs Istio
Linkerd vs Istio for Kubernetes service mesh — compare resource overhead, mTLS automation, configuration complexity, and operational burden.
Linkerd vs Cilium
Linkerd vs Cilium — sidecar service mesh vs eBPF-based networking. Compare resource usage, mTLS, network policy, and which is better for Kubernetes observability.