METHOD FOR SELECTING A MAXIMUM COUNT BLOCK OF A FILE IN PARALLEL DOWNLOAD, METHOD FOR FILE PARALLEL DOWNLOADING USING BY THE SAME AND RECORD MEDIA RECORDED PROGRAM FOR REALIZING THE SAME

PURPOSE: A method for primarily selecting a block which has maximum frequency in a file parallel download and a file parallel download using the same, and a recording medium recording a program for embodying the same are provided to posses all the block in each nodes without considering the location of a file and a block, thereby improving a data share rate. CONSTITUTION: If a parallel download is finished, a completion of receiving all blocks which comprises a file is checked(S300). If blocks which did not received a download exists, a block which nodes among the blocks which did not received the download possess the most is downloaded in other node(S302). A block which nodes among the blocks which did not received a download is downloaded in a P2P server(S304).