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Terminology master-data-file e 34 b4 47 master-chunk-file has e 34 has- Peer A chunk-file 4 chunk-file Peer B GET 64 GE234 Peer A Peer B Node mapTerminology master-data-file master-chunk-file 1e 34 b4 27 Peer A Peer B 1e 34 haschunk-file Node.map Peer A Peer B GET b4 b4 27 haschunk-file GET 34