AWS Introduces DNS Failover Feature for Its Notoriously Unreliable US East Region

Amazon Web Services has rolled out a DNS resilience feature that allows customers to make domain name system changes within 60 minutes of a service disruption in its US East region, a direct response to the long history of outages at the cloud giant's most troubled infrastructure. AWS said customers in regulated industries like banking, fintech and SaaS had asked for additional capabilities to meet business continuity and compliance requirements, specifically the ability to provision standby resources or redirect traffic during unexpected regional disruptions. The 60-minute recovery time objective still leaves a substantial window for outages to cascade, and the timing of the announcement -- less than six weeks after an October 20th DynamoDB incident and a subsequent VM problem drew criticism -- underscores how persistent US East's reliability issues have been.

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