A.轉(zhuǎn)發(fā),上一跳 B.接收,上一跳 C.接收,下一跳 D.轉(zhuǎn)發(fā),下一跳
A.1 B.2 C.3 D.4
A.Label Selection Pair B.Label Switched Path C.Lightweight Signaling Protocol D.Large Sampling Path