SDN/NFV gradually become the core technology of the new generation of network development, but also to provide a strong technical support for the future operators of network reconfi guration. SDN/NFV in IP network operators to promote the introduction of network operators to the evolution of a new business model to achieve more effi cient deployment and maintenance more convenient and more rapid fl exible to meet the change of business requirements and dynamic resource adjustment. In order to seize market opportunities and improve user stickiness, operators will continue to explore and try to build a new generation of future oriented cloud metropolitan area network.%SDN/NFV逐渐成为新一代网络发展的核心技术，也为未来运营商网络重构变革提供有力的技术支撑。SDN/NFV在运营商IP网络的引入促进运营网向新的业务模式演进，能够实现更高效的部署、更便利的维护、更快速的灵活满足业务变更需求和动态的资源调整。为了抢占市场先机并提高用户粘性，运营商将会持续进行探索与尝试，构建新一代面向未来云化城域网络。
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