> RPC does not make idempotency guarantees Not true. "RPC" is just a generic name and there are multiple approaches and implementations which may provide you s

> RPC does not make idempotency guarantees Not true. "RPC" is just a generic name and there are multiple approaches and implementations which may provide you some guarantees, in specific environments such guarantees may be strong. > REST does How can I enforce or trust any REST "guarantees"?