Factbox: Fastly, the cloud company behind a global internet outage

FILE PHOTO: A company logo hangs on the headquarters of the Financial Times newspaper in London, Britain November 19, 2015. REUTERS/Stefan Wermuth

LONDON (Reuters) - A major global internet outage that took several websites offline on Tuesday was caused by a problem at cloud computing company Fastly Inc's real-time content delivery network (CDN).

High traffic sites including news providers The Guardian, Financial Times and New York Times, as well as the British government and Amazon were hit by the outage, which lasted for more than an hour.