https://www.msnbc.msn.com/id/22914651/
https://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2008/09/17/financial/f115224D88.DTL&feed=rss.business
https://www.computing.co.uk/computing/analysis/2237272/ten-worst-internet-outages
https://www.networkworld.com/news/2007/051607-cisco-routers-major-outage-japan.html
