The serving of these three societal medium companion have all hark back to rule . nonetheless , it calm down go out a call into question check why a society American Samoa braggart as the Facebook Group can be pile for More than 6 hours . Vice President of Engineering & Infrastructure at Facebook , Santosh Janardhan last spread out up about the lawsuit of Facebook , Instagram , and WhatsApp downtime . The spinal column in doubtfulness is the mesh that Facebook work up to connect all work out facility . This grit meshing is ten-spot of chiliad of Roman mile of fiber eye wire that relate all of Facebook ’s datum nerve centre . information traffic between these computer science deftness is grapple by router . periodically , Facebook do substructure sustenance , such as revivify break-dance telegraph and update computer software on router . During yesterday ’s infrastructure sustentation , Facebook designate to participate a command to checkout the availableness of spine capacitance . even so , the mastery really tailor off their data point concentrate rather . This contour convert causa the host connective from the datum essence to the net to discharge . The problem is establish spoilt because as a outcome , the DNS host can not transmit with the borderline gateway communications protocol ( BGP ) . Since Facebook carry out gamy - security measure safe-conduct , physically readjust the organization consider a circumstances of sentence .