Architecture

You may be looking for one the following:

MediaWiki software architecture
Information about the architecture of the MediaWiki software


 * Manual:MediaWiki architecture: detailed historical overview of the MediaWiki architecture
 * Manual:Architectural modules: description of module structures in MediaWiki and the relationships between them
 * Architecture guidelines: guidelines to consider when making changes to the MediaWiki codebase

Wikimedia systems architecture
Information about the architecture of Wikimedia systems, including services and other components


 * Wikimedia Architecture Repository: documentation for the evolution of Wikimedia system architecture
 * Wikimedia Engineering Architecture Principles: architecture principles and requirements for all Wikimedia engineering projects

Historical
Obsolete pages and background information


 * Wikimedia Technical Committee (TechCom), previously known as Architecture Committee (ArchCom)
 * Wikimedia Architecture Team: Wikimedia Foundation team page