"A massive outage at Amazon Web Services disrupted major websites and apps on Monday, in a show of how one company's online infrastructure has become essential for many modern businesses to function. Amazon said it was fixing the problem but some disruptions were still ongoing as of Monday evening. Tech experts tell NPR the incident highlights just how vulnerable companies are to these kinds of outages. Here's what to know about what happened and why a single outage could be so damaging."
"AWS lets companies store and manage data online using its database service DynamoDB, which was the service affected by the outage. "In other words, they rent out their cloud computing resources to others so they can serve their own customers," says Chang Lou, an assistant professor at the University of Virginia who specializes in cloud computing. An early-morning software update to DynamoDB, however, contained an error, which took down the service in Northern Virginia."
An outage at Amazon Web Services began around 3 a.m. ET and produced increased error rates and latencies centered in the Northern Virginia facility. Many popular sites and apps experienced trouble, including Duolingo, Roblox, Fortnite, Coinbase, Robinhood, Venmo, Perplexity, ChatGPT, United Airlines, Canva, Reddit, Flickr, and Amazon's main website. The disruption stemmed from an early-morning software update to AWS's DynamoDB database service that contained an error, triggering a chain reaction of service failures. Amazon reported progress toward restoring functionality, but disruptions persisted into the evening. The incident underscores how dependent modern businesses are on a single cloud provider's infrastructure.
Read at www.npr.org
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