This article explains how Authress maintained service availability despite the significant AWS outage on October 20th. It discusses the importance of reliability in their authentication services and the architectural strategies they implemented to achieve a five-nines SLA.

AWS has introduced a feature that allows customers to make DNS changes within 60 minutes during service disruptions in its US East region. This response comes after repeated outages in the area, addressing the need for greater reliability, especially for businesses in regulated industries. However, the 60-minute recovery time still leaves room for significant service interruptions.

Signal president Meredith Whittaker highlighted the reliance of the encrypted messaging app on Amazon Web Services (AWS) following a recent outage that affected multiple companies. She emphasized the lack of alternatives in the cloud infrastructure industry, pointing out that only a few major players dominate the space, which poses risks for global communication services. Whittaker hopes the incident can serve as a wake-up call regarding the concentration of power in the tech industry.