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by xyzzy_plugh 844 days ago
You're close, but it's really when you have thousands of microservices using either shitty languages or shitty client RPC libraries where you can't easily perform client-side load balancing.

There are plenty of languages and RPC frameworks where you can solve this without resorting to a service mesh.

Practically, and to your point, service meshes solve an organizational problem, not a technical one.