Overview

The Wikimedia Foundation operates a network made of 2 main datacenters (Ashburn, Dallas), 4 caching sites (San Francisco, Amsterdam, Singapore, Marseille) and 2 networking sites (Dallas, Chicago).

Since 2017, this network is unified under AS14907.

Those sites are connected in a redundant way to each other using dedicated fibers, wavelengths and VPLS circuits.

Connectivity to the world is achieved via various transit providers and exchange points.

 
Overview of Wikimedia's network and providers

USA

 
Wikimedia Ashburn DC, physical layer
 
Wikimedia Dallas DCs, physical layer
 
Wikimedia San Francisco DC, physical layer

Europe

 
Wikimedia Amsterdam DCs, physical layer
 
Wikimedia Amsterdam DCs, IP layer
 
Wikimedia Marseille DC, partial physical layer

Asia-Pacific

 
Wikimedia Singapore site, physical layer

See also