信息时代悄然来临,信息通信技术正在全球范围内取得日新月异的发展,网络流量空前增长,用户需求陡然升高,移动化、IP化、宽带化潮流势不可挡,各种新潮、便利的数据应用层出不穷,传统的信息通信网络再也支撑不住如此名目繁多的新型应用。于是,提高网络容量、创新网络技术、变革网络架构、扩展网络基因,被作 With the advent of the information age quietly, information and communication technologies are making rapid changes worldwide. With unprecedented growth in network traffic and sharp user demand, mobile, IP and broadband networks are overwhelming. A variety of trendy and convenient data applications are emerging, and traditional Of the information and communication network can no longer support such a large variety of new applications. As a result, increasing network capacity, innovating network technologies, changing network architecture, and expanding network genes were