A substantial online outage triggered numerous large services to go offline on July 22, but its mostly over, with Downdetector reporting a steep decrease in the variety of reported outages.Many significant services and websites were affected – the list consists of popular gaming platforms Steam and PlayStation Network, many popular multiplayer computer game like Call of Duty, Fortnite, various EA games (consisting of FIFA) and Warframe, banks like USA Bank and Barclays, and other sites like AT&T, Sony Direct, John Lewis, FedEx – the list, frankly, kept going. A few of these services were impacted simply in specific areas, or not for all users – for example, members of the TechRadar group could access McDonalds in some circumstances, and could play already-downloaded video games and use the network on Steam, though not gain access to the store on the site or app itself.These systems all reportedly use the Akamai Cloud Delivery Network, which appeared to be suffering failures. A system status upgrade posted by the company, however, states that the problems have actually been resolved.What was affected?PlayStation was perhaps worse hit, and lots of services were down consisting of Now, Video, online video gaming, the app, downloads, social aspects, purchases on the store and more.On Downdetector, Fornite was supposedly surging in interruptions, nevertheless the variety of reports was visibly lower than some of the abovementioned services – its most likely that blackouts were region-based, and not global, a minimum of in this circumstance.However, McDonalds seemed unaffected in our testing – its possible that the interruption didnt completely impact services for all websites. Some Steam users were apparently able to access games, though the Steam app and website itself seem down.Many US sites like FedEx, UPS, Home Depot, Fidelity, Southwest Airlines, USAA, Newegg, United States Bank, Discover, AT&T, Costco and Delta suffered from the outage.PlayStation Network (Image credit: Sony)Lots of other UK services were supposedly down like HSBC, John Lewis, Sky Bet, Waitrose, Halifax, TSB Bank, Lloyds Bank and Barclays – thats a list with numerous online banks, which might be worrying for some, but services seem to have resumed now.Amazon Web Services was apparently down too, which affected websites that utilize the service. Other services said to momentarily fail consist of UPS, Nvidia, Now TELEVISION, the Epic Games Store and Warframe.So what happened?Its not totally clear why, but significant material shipment network Akamai suffered a short-term blackout, which implies websites it services – including all the above listed ones – temporarily went offline.Per Akamais tweet, a software application configuration update was to blame, but this was rolled back to reduce the interruption: Akamai Summarizes Service Disruption (RESOLVED)At 15:46 UTC today, a software configuration upgrade activated a bug in the DNS system, the system that directs web browsers to websites. This caused a disruption affecting accessibility of some customer sites. (1/3)July 22, 2021See moreCould it occur again?Akamai says it will “will continue to monitor to make sure that the effect has been totally alleviated” – you can check out the full declaration on an analysis of the event over on TechRadar Pro.So, fingers crossed weve seen the worst of it – however back up your work, so to speak, simply in case. A comparable issue took place in April when Google services all dropped, and June when CDN Fastly saw interruptions that knocked Amazon, Reddit, eBay and more offline. Obviously, the entire web is based upon far too shaky structures, so when one CDN falls apart everything falls.