Resilient Data Futures
SourceS-0015

Worldwide LHC Computing Grid (CERN)

References [15]2026-05-030 out · 1 in

CERN. "The Worldwide LHC Computing Grid." home.cern/science/computing/grid. WLCG collaboration, wlcg.web.cern.ch.

Key facts: 1.5 exabytes managed. 1.4 million cores. >170 sites in 42 countries. >2 million tasks per day. Managed hierarchy with central coordination at CERN.

Use: Tier 2 exemplar for particle physics; the largest-scale Tier 2 system in operation, demonstrating that coordinated multi-site preservation works at planetary scale.

Original whitepaper reference: [15]