After 6 hours of disconnection, Facebook and its Instagram, WhatsApp, OculusVR and other services have finally “reproduced the world”. Of course Facebook will come out to solve such a big thing. They pointed out that this incident was caused by changing the router settings, rather than hackers trying to invade and steal user information.
This large-scale Facebook disconnection not only affects general users’ use of social services, but also affects business partners and Facebook’s internal Working with developers who use the platform also prevented Facebook staff from finding and solving problems immediately.
Facebook’s statement stated that this time the problem was caused by changes in the settings of the backbone routers. This group of backbone routers is responsible for coordinating Facebook data Once a problem occurs in the network traffic of the center, the communication will be interrupted, and at the same time, it will cause the domino effect of the data center communication, which will eventually lead to the disconnection of all systems.
According to a report by the network service company Cloudflare, Facebook’s situation this time started with the constant Border Gateway Protocol (BGP). ) There is a problem with updating. This is a mechanism that allows Autonomous Systems to exchange routing information with each other. Large routers will have a large and constantly updated available routing table, so that every packet can be delivered to the destination normally. land. However, this time there was a problem with the BGP update, the routing information required by Facebook was deleted, so that other networks could not find their website.
Facebook emphasized that the problem is purely a setting problem, and there is no evidence to prove that user accounts were hacked during the disconnection. And Facebook CEO Zuckerberg also posted an apology to the public in his Facebook post. He said, “We know how much you rely on our services to keep in touch with people you care about”, which evoked more than 2.28 million emoticons and 560,000 texts. Responses and 390,000 shares.
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