引言新华08信息平台作为国家面对全球严峻的金融信息争夺战的先锋,为了与路透社,彭博的金融终端系统一争高下,只有提供更快,更灵活,更便捷的服务才能立于不败之地。网络资源作为基础资源,在应用的使用和管理中起着重要的作用。随着云计算的技术开始成熟,虚拟化服务器的大范围使用,传统的网络结构不能适应虚拟化要求。所以,网络虚拟化技术应运而 Introduction Xinhua 08 information platform as a country facing the world’s fierce battle for financial information pioneer, in order to compete with Reuters, Bloomberg financial terminal system, only to provide faster, more flexible and more convenient service to stand invincible position. As a basic resource, network resources play an important role in the use and management of applications. As cloud computing technologies are beginning to mature and virtualized servers are used on a large scale, traditional network architectures can not accommodate virtualization requirements. Therefore, the network virtualization technology should come