Built to bounce back: How Azure resiliency evolved
Resiliency in the cloud is often described in terms of availability, such as how quickly a system fails over, how many replicas exist, or what a service-level agreement guarantees. But for most organizations today, especially those operating in regulated, sovereign, or geopolitically sensitive environments, resiliency is something far more fundamental. It is the ability to continue operating under pressure, protect what matters most, and recover safely when the unexpected happens.
A useful way to think about this is not a system problem, but a city problem. A modern city does not depend on a single power source, a single road, or a single control system. It is designed to withstand disruptions, whether from infrastructure failures, natural events, or security incidents. It has redundancy—but more importantly—it has governance, control, and recovery mechanisms that reflect local realities. Cloud resiliencyoperates in much the same way. It is not just about avoiding outages;...
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