Right now, Microsoft solely affords 99.9% SLA for Azure AD person authentication. Microsoft yesterday introduced that it’ll supply 99.99% uptime for Azure AD person authentication. On April 1, 2021, Microsoft will replace its public SLA to replicate this transformation. Microsoft will share its roadmap for the subsequent technology of resilience investments for Azure AD and Azure AD B2C in early 2021.
Azure AD is a big service with greater than 400 million Monthly Active Users (MAU). Azure AD is processing tens of billions of authentications per day. Increasing the reliability of such an enormous on-line service is a difficult activity. In the previous few months, Microsoft has made the next enhancements to extend the reliability of Azure AD.
We’ve made robust progress on transferring the authentication companies to a fine-grained fault area isolation mannequin — additionally known as “cellularized architecture”. This structure is designed to scope and isolate the impression of many courses of failures to a small share of complete customers within the system. In the final yr, we’ve elevated the variety of fault domains by over 5x and can proceed to evolve this additional over the subsequent yr.We have begun rollout of an Azure AD Backup Authentication service that runs with decor
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