Kazuyuki Ide, director, Software/IT Service, IDC Japan, says, "The IDC software market taxonomy for 2006 divides the storage software market into more detailed segments and some market segments are either merged or renamed according to the actual market situation." He continues that, according to the taxonomy, the size of the Japan software market in 2005 is estimated to have totaled 2,005.9 billion yen and that the market's compound annual growth rate (CAGR) from 2005 to 2010 is expected to be 3.9%.