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随着网络体系结构的演变和宽带技术的发展,传统网络向下一代网络的演进势不可挡。下一代网络业务范围更广阔,支持实时的多媒体业务,支持多种接入方式和多种接入终端,支持移动性,当前的任务是尽快投向市场,确保现有网络的平滑演进,以及经济、可扩展的网络结构。SDN是未来网络的发展方向。
With the evolution of network architecture and the development of broadband technology, the evolution from the traditional network to the next generation of networks is overwhelming. The next-generation network has a broader business scope, supports real-time multimedia services, supports multiple access methods and multiple access terminals, and supports mobility. The current task is to get to market as soon as possible to ensure the smooth evolution of the existing networks and to provide economical, Scalable network structure. SDN is the future direction of network development.