【摘要】 从战略层面对SDN的发展可能给电信业带来的全面、颠覆性变革进行了系统的分析。首先介绍了SDN和NFV的内涵与异同,对电信业与IT业的基本特征做了比较,并分析了SDN前电信业的探索及教训。接下来探讨了现有电信网的基本问题和症结以及发展SDN的主要驱动力。重点阐述了SDN的基本特征和对运营商的5个核心价值及其应用前景。最后论述了发展SDN面临的主要挑战,并简要总结了笔者对于SDN战略层面上的思考要点。更多还原

【Abstract】 Comprehensive analysis on global and disruptive impacts to telecom industry due to SDN development from strategic vision was made. It was started from the introduction on meaning and similarity and difference of SDN and NFV. Comparison on basic characteristics between telecom industry and information industry was made and exploration and lessons of telecom industry before SDN were analyzed. In the following part, fundamental problems of existing networks and major driving forces for SDN development were investigated. Next basic characteristics and five key values of SDN and application prospect were described. Finally major challenges for SDN development were presented and key points of thinking on SDN from strategic vision were summarized.更多还原