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More details at http://lcgdm.web.cern.ch/dpm-dsi-1911-available-epel
The frontier-squid software package is a patched version of the standard squid http proxy cache software, pre-configured for use by the Frontier distributed database caching system. This installation is recommended for use by Frontier in the LHC CMS & ATLAS projects, and also works well with the CernVM FileSystem. Many people also use it for other applications as well
Note that this is a major upgrade and it has some incompatibilities with frontier-squid-2 based versions, as detailed here
The LCG File catalogue (LFC) is a server that gives services of file metadata store and replica location. It is one of the first components that have been designed for the purpose of Grid Data Management.
LFC offers a hierarchical view of files to users, with a UNIX-like semantics. The LFC catalogue provides:
- Logical File Name (LFN) to Storage URL (SURL) mappings;
- Authorisation on its logical namespace, based on UNIX file modes, POSIX ACLs and various kinds of strong authentication, including X509.
More details at http://lcgdm.web.cern.ch/lfc