I-Shyan Hwang This email address is being protected from spambots. You need JavaScript enabled to view it.1, San-Nan Lee2 and Kuo-Chang Chien1
1Department of Computer Science and Engineering, Yuan-Ze University, Chung-Li, Taiwan 32003, R.O.C. 2Department of Computer Science and Information Engineering, Vanung University, Chung-Li, Taiwan 32061, R.O.C
Received: December 14, 2008 Accepted: November 24, 2010 Publication Date: March 1, 2011
Wavelength Division Multiplexing (WDM) not only can increase the bandwidth of backbone transmission network significantly, but can also decrease the network cost and make the controlling and maintaining of transmission easy. The applications of multipoint-to-multipoint multicast communication, such as Video on demand and video conference, are important on Internet. The characteristics of multipoint-to-multipoint multicast communication are massive data, the transmission from different sources in the same multicast session and real-time. A novel high performance algorithm, virtual 2D Torus Topology Conversion-Two-hop virtual rings routing-EAC wavelength assignment algorithm (TTCA-TVRR-EAC) for multicast, is proposed in this paper. The TTCATVRR-EAC includes (1) the TTCA algorithm is employed to convert the real networks into torus networks; (2) the TVRR algorithm is utilized for routing; and (3) EAC algorithm is used for wavelength assignment. The simulation results show that the proposed algorithm outperforms RTRWA and S
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