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Technical challenges of a multi-cloud strategy

Source: interviewadvanced

WHAT IT TESTS: realism about multi-cloud complexity. OUTLINE: data consistency and egress costs across providers, cross-cloud networking and latency, and federating disparate IAM systems, plus operational and tooling overhead.

WHAT IT TESTS: whether you grasp the real cost of multi-cloud beyond the marketing promise. ANSWER OUTLINE: data consistency suffers because keeping state synchronized across providers means high latency, replication complexity, and steep egress charges; networking requires private interconnects or VPNs and you fight cross-cloud latency and incompatible network primitives; identity is hardest, since each provider has its own IAM model and you must federate via a central identity provider and consistent policy.

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Technical challenges of a multi-cloud strategy · Tezvyn