自从2004年IDC提出UTM的概念以来,在其后的四年间,UTM的发展可谓迅速,在美国市场,UTM的市场份额已经超越防火墙,成为安全网关市场的主流。在中国,UTM的远大前程也展露无疑:根据IDC的统计,2007年UTM硬件增长迅猛,"全年同比增长87.6%,其中下半年同比增长105.4%,是2007年下半年增长速 Since the concept of UTM was proposed by IDC in 2004, the development of UTM has been rapid for the following four years. In the U.S. market, UTM has surpassed the firewall in its market share and has become the mainstream of the security gateway market. According to IDC, UTM hardware grew rapidly in 2007, up 87.6% YoY in the first half of 2007, up 105.4% YoY in the second half of the year, an increase of the second half of 2007