"The resiliency characteristics afforded to clients varies widely by provider," Gartner analysts wrote in the report. " Major outages plagued several cloud providers in this Magic Quadrant over the past year. In some cases, providers offered few capabilities to work around provider-oriented failure using accepted, modern means such as availability zones. Strategic cloud provider selection necessitates that enterprises consider the failure scenarios by workload and architect to manage them. In some regions, with several providers in this Magic Quadrant, the challenge of working around provider-oriented failure is insurmountable."