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Leadership wants a plan for losing a whole region. Walk me through the DR tiers and what they really cost.

Four tiers, four bills. Stating RTO and RPO per tier turns a vague resilience wish into a decision leadership can actually price, and the testing story is where candidates fold.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Four tiers, four bills. Stating RTO and RPO per tier turns a vague resilience wish into a decision leadership can actually price, and the testing story is where candidates fold.

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