Load Balancing

DNS LB, L4 (transport), L7 (application), service discovery, health checks, power of two choices, sidecar as client-side LB; stateless services as prerequisite for scale-out

East–west traffic governance: mTLS, service authorisation, evolution from libraries to eBPF; sidecar as reuse mechanism for operational concerns; orthogonal coupling; data-sinking sidecar for EDM legacy integration