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Architecture

Linkerd: The Pragmatic Service Mesh Alternative

Linkerd is the pragmatic service mesh for Kubernetes, prioritizing simplicity over feature catalogues. Its Rust proxy uses ~10 MB RAM per sidecar versus 50-100 MB for Envoy under Istio. This comparison explains when adopting it pays off, what it costs to operate, and when Istio makes more sense.

4 min 205
Architecture

Service Mesh in 2023: Istio, Linkerd, and the Cilium Option

A service mesh adds mTLS, uniform observability, and traffic management between microservices without modifying application code. The ecosystem has consolidated: Istio is the most complete and complex, Linkerd prioritises simplicity with Rust proxies, and Cilium delivers sidecarless service mesh via eBPF.

4 min 220 4.6