## CERN and the LHC The [CERN laboratory](https://www.cern.ch) and the [Worldwide LHC Computing Grid (WLCG)](https://home.cern/science/computing/grid) are large users of IPv6 for massive data transfers. Some recent statistics are shown here: Graph showing 644 Gb/s (Image from the February 2024 data challenge at CERN.) The CERN site itself operates a classical IPv4 and IPv6 dual stack, and uses DHCPv6 for IPv6 address assignment. ### [Chapter Contents](7.%20Case%20Studies.md)