中國移動大力向5G邁進 釋出最新承載SPN技術


中國移動大力向5G邁進 釋出最新承載SPN技術




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在2月27日舉辦的MWC2018(世界行動通訊大會)中，中國移動釋出了面向5G承載的切片分組網（SPN）技術白皮書。SPN是中國移動自主創新的技術體系，分別在物理層，鏈路層和轉發控制層採用創新技術，來滿足5G業務等綜合業務傳輸網路需要。



SPN技術白皮書從需求與願景、理念與架構、關鍵技術、應用場景、總結與展望5個維度進行闡述，對SPN技術進行了全面的闡述。下一代傳輸網以5G承載為核心，兼顧家客、集客業務綜合承載，SPN是打造未來統一高效綜合業務傳輸網路的優選方案。



而SPN技術架構包括切片分組層（SPL）、切片通道層（SCL）、切片傳送層（STL）、時間/時鐘同步功能模組和管理/控制功能模組組成。SPN基於高效乙太網核心，提供低成本大頻寬承載管道，並通過多層網路技術的高效融合，實現靈活軟硬管道分片，提供從L0~L3的多層業務承載能力。同時SPN採用SDN進行集中管控，實現開放、敏捷、高效的網路新運營體系。






近日，在ITU-T SG15全會上中國移動主導推動的5G傳輸技術標準專案成功立項，該專案將SPN作為重要內容，是5G承載網標準發展的里程碑。



SPN技術白皮書的釋出將進一步確立中國移動在5G傳輸技術方面的引領地位，將進一步推動SPN技術和產業成熟。



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