Through simulation evaluations , the proposed algorithm outperforms similar two - pass algorithms in terms of average call acceptance rate with comparable average call setup time and message overhead 這三個(gè)機(jī)制包括了改良的泛流范圍限定機(jī)制、動(dòng)態(tài)最佳路徑的選擇、以及備用路徑的增設(shè)。