A.2003B.2004C.2005D.2006
A.100.64.0.0/10B.100.125.0.0/16C.198.19.0.0/16D.10.0.0.0/8
A. 业务演进:SR-TP/L3B. SPTN部署增强业务灵活性C. 网络分片演进:FlexED. 带宽演进:50/200/400GE