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DTNs usually mount to a connected file system, whether it is a Storage Area Network (SAN) or High Performance Computing (HPC) network, with a network interface to either transmit or receive data files. Dedicated software transfer tools like GridFTP [GridFTP], XRootd [XRootd], XDD [XDD], FDT [FDT], BBCP [BBCP], FTS [FTS-CERN], etc. are best installed on a DTN instance to achieve better input/output performance concerning data transfer.
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