Split multi-link trunking
（重定向自SMLT）
Split Multi-Link Trunking (SMLT) is a Layer-2 link aggregation technology in computer networking originally developed by Nortel as an enhancement to standard multi-link trunking (MLT) as defined in IEEE 802.3ad. US 7173934,Lapuh, Roger; Yili Zhao& Wassim Tawbiet al.,"System, Device, and Method for Improving Communication Network Reliability Using Trunk Splitting",issued 2007-02-06