Requirements & estimationHardSDE-3

For a payments platform, the business asks for "zero data loss and no downtime". How do you turn that into concrete RPO and RTO requirements, and what do they cost?

Asked at

PaytmPhonePeRazorpay

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

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