Caching technologies for Tier-2 sites: A UK perspective Samuel Cadellin Skipsey, Chris Brew, Alessandra Forti, Dan Traynor, Teng Li, Adam Boutcher, Gareth Roy, Gordon Stewart and David Britton EPJ Web Conf., 214 (2019) 04002 Published online: 17 September 2019 DOI: 10.1051/epjconf/201921404002