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SDN/NFV作为新型网络技术,是运营商网络重构的核心技术基础,是国内外电信运营商关注的重点。近年来SDN/NFV所倡导的网络智能化、开放化和虚拟化等技术理念得到了广泛的认同和实践,成为网络技术创新的重要技术途径。但是随着SDN/NFV技术研究和实践的深入展开,使得SDN/NFV在电信网络的应用存在诸多的技术挑战。SDN在开源控制器和南北向接口方面让使用者举步维艰,其开放性和简洁性的特征质疑此
As a new type of network technology, SDN / NFV is the core technology foundation of operator network reconfiguration and is the focus of domestic and foreign telecom operators. In recent years, SDN / NFV advocated by the network intelligence, open and virtualization technology concepts have been widely recognized and practiced as an important technical approach to network technology innovation. However, with the deep research and practice of SDN / NFV technology, there are many technical challenges in the application of SDN / NFV in telecommunication networks. SDN makes users struggling with open-source controllers and north-south interfaces, questioning its openness and simplicity