Azure Storage
Failover mecanism
Cloud-based Infrastructure like Azure Storage offers geo-redundancy options to ensure high availability and therefore, some Azure Regions offer a failover mecanism.
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Cloud-based Infrastructure like Azure Backup Center provides a backup solution to protect ou Azure Blob in Azure Storage Account : Overview of Azure Blobs backup - Azure Backup | Microsoft Learn . The backup could be configured as a continous backup or a periodic backup and be based a Policy (retention, schedule and rules of execution). And, the execution would be triggered from a Backup Vault which has access and the right permissions related to Azure Strorage.
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Azure Web App & Azure AI Search
Failover mecanism
For simple global load balancing with direct connections from a client to our endpoints, we could consider Azure Traffic Manager and not Azure Front Door : Azure Front Door - Best practices | Microsoft Learn.
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