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This article provides links to reliability guidance for many Azure services. Most reliability guides contain the following information:
Reliability architecture overview is a synopsis of how the service supports reliability. It includes information about which components Azure manages and which components you manage, built-in redundancy features, and how to provision and manage multiple resources, if applicable.
Transient fault handling describes how the service handles day-to-day transient faults that can occur in the cloud. It also describes how to handle these faults in your application, including information about retry policies, timeouts, and other best practices.
Availability zones describe zonal and zone-redundant deployment options, traffic routing and data replication between zones, what happens when a zone experiences an outage, failback, and how to configure your resources for availability zone support.
Multi-region support describes how to configure multi-region or geo-disaster support, traffic routing and data replication between regions, region-down experience, failover and failback support, and alternative multi-region support.
Some guides also contain information about:
Backup support, such as who controls backups, where they're stored and replicated to, how they can be recovered, and whether they're accessible only within a region or across regions.
Service-level agreements (SLAs) for availability, including how the expected uptime changes based on the configuration that you use.
Reliability guides by service
This section provides links to reliability guidance for many Azure services. Each service guide contains information about how the service supports reliability features.
Note
Some service documents don't follow a single reliability guide format. These services might list more than one article that references reliability guidance.