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Microsoft Azure added 12 new edge sites around the world and increased its peering capacity by 25 percent to expand its wide area network after customers' cloud usage surged following stay-at-home orders forced by the coronavirus (COVID-19) pandemic.
"In total, we added 110 terabits of increased capacity to our WAN in less than two months," Microsoft Azure chief technology officer Mark Russinovich said in a video posted today.
As Microsoft's cloud services -- particularly Azure, Teams, Windows Virtual Desktop and Xbox Live – experienced unprecedented demand, it prioritized critical front-line customers, scaled its services, implemented brownout controls, initiated optimizer services and shifted workloads from "hot" cloud regions to address surges that caused some customers to experience service slowdowns and outages.
Russinovich gave a behind-the-scenes, technical look at the cloud provider's engineering response to meet the incredible spike in demand for Microsoft Azure's IaaS, PaaS to SaaS offerings as people started to work, learn and teach from home.