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Hybrid Multicast Mode in All-Optical Networks

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3 Author(s)
Liu, Xin ; Beijing Univ. of Posts & Telecommun., Beijing ; Hongxiang Wang ; Yuefeng Ji

Although serial multicast mode (SMM) can increase the multicast success ratio (MSR) more than parallel multicast mode (PMM), it suffers from the signal impairment and the extra delay caused by the optical loop. In this letter, a novel hybrid multicast mode (HMM), which combines PMM and SMM, is proposed to mitigate those issues. Moreover, an HMM-based two-level-buffered all-optical multicast module is also proposed to further mitigate the signal impairment in this letter. Finally, with the simulations, a conclusion can be drawn that HMM can get higher MSR and lower average delay than both PMM and SMM.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 16 )