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The recent Amazon Web Services (AWS) outage caused widespread disruptions across the internet, impacting major websites such as Snapchat, Reddit, and Roblox. More than 1,000 apps and websites, including financial institutions like Lloyds and Halifax, experienced issues due to problems at the core of AWS operations in the US. User reports of problems globally reached over 6.5 million during the outage on Monday morning.
Prof Alan Woodward of the University of Surrey highlighted the interconnected nature of our digital infrastructure, emphasizing how many online services depend on third-party providers for physical infrastructure. The outage underscored the potential impact of small errors, often human-made, on a large scale. The issues began early on Monday, affecting a wide range of platforms from online games like Fortnite to educational apps like Duolingo.
Experts suggested that a series of “cascading failures” may have occurred after the initial outage, echoing the challenges of addressing root causes during large-scale disruptions. While Amazon has not fully disclosed the cause of the outage, it acknowledged issues related to DNS resolution of the DynamoDB API endpoint in US-EAST-1. Cloudflare CEO Matthew Prince noted the significant influence cloud services have on internet functionality and the risks associated with concentrated reliance on a few major providers.
Cori Crider from the Future of Technology Institute likened the outage to a critical infrastructure collapse, emphasizing the risks posed by heavy dependence on a few dominant cloud providers. She called for diversification of service providers to enhance market resilience in the face of such disruptions. Computer science experts highlighted the need for companies utilizing AWS to implement robust protection systems to safeguard against outages and prioritize backing up mission-critical applications. The aftermath of the AWS outage may lead to discussions on legal responsibilities and responses in similar situations, as seen in past instances like the CrowdStrike outage that resulted in significant losses for companies like Delta Airlines
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