Faulty Router Configuration was liable for the Outage says Facebook
Facebook has crept back from what may have been its longest blackout ever as of Monday night, apologizing for the six-hour outage that left billions of people unable to access Facebook, Instagram, WhatsApp, Messenger, and Oculus VR.
The genesis of the problem, according to Santosh Janardhan, Facebook's vice president of infrastructure, was a configuration change on the backbone routers: a modification to routers that coordinate network traffic between data centers that split Facebook's entire internal backbone. Read More