Emanuele Rocca – [[WM:TECHBLOG]]

https://commons.wikimedia.org/wiki/File:Wikimedia_Foundation_Servers-8055_05.jpg

Wikimedia’s CDN: datacenter switchover

The 3rd and last article of a series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.

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Wikimedia’s CDN: the road to ATS

The 2nd of a 3 part series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.

https://commons.wikimedia.org/wiki/File:North_America_from_low_orbiting_satellite_Suomi_NPP.jpg

Wikimedia’s CDN up to 2018: Varnish and IPSec

The 1st of a 3 part series that will describe some of the changes, which included replacing Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.