Optical fiber cables are cut at multiple locations around the world at the same time, and the Internet is blocked in Eastern Europe, Iran, Turkey, etc.
by
Fiber optic cables that support the Internet in Eastern Europe, Iran, Turkey, etc. were physically cut on Thursday, December 19, 2019, and it was found that Internet access was blocked for about two hours. A situation where multiple cables are disconnected at the same time is usually not considered possible.
Severed Fiber Optic Cables Disrupted Internet Access In Parts of Eastern Europe, Iran and Turkey-Slashdot
https://tech.slashdot.org/story/19/12/19/214227/severed-fiber-optic-cables-disrupted-internet-access-in-parts-of-eastern-europe-iran-and-turkey
According to what Google told the BBC, Google's service could not be used for about 30 minutes due to this disconnection, but after that Google instructed the ISP to connect to another server, the problem could be solved .
According to Sadjad Bonabi, director of a communications infrastructure company in Iran, fiber optic cable cuts have been seen between Iran and the Romanian capital Bucharest and between Iran and the German city of Munich. Later, traffic was sent to Iran's western and southern areas where there were no problems, but the cause of the disconnect remains unclear.
by rawf8
This was also discussed in the Hacker News on the Internet bulletin board, and it was posted that a person who had a business transaction in the Middle East in the mid-2000s had similar experiences.
Severed fiber cables disrupted internet access in eastern Europe, Iran, Turkey | Hacker News
https://news.ycombinator.com/item?id=21837742
A user named freedomben said, “One day I lost access to almost all of the sites. After that, when a naval ship unloaded, Murphy's law caused a landing on the fiber optic cable. This was an unexpected accident because it is statistically impossible, ”he said.
In 2011, a 75-year-old woman living in Georgia accidentally cut a fiber optic cable while mining copper, and 90% of the Internet was provided by Georgia in Armenia for 5 hours. An accident occurred that was cut off.
Georgian woman cuts off web access to whole of Armenia | World news | The Guardian
https://www.theguardian.com/world/2011/apr/06/georgian-woman-cuts-web-access
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