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首页> 外文会议>International Conference on Computational Science and Its Applications(ICCSA 2006) pt.2; 20060508-11; Glasgow(GB) >Minimum Cost Multicast Routing Based on High Utilization MC Nodes Suited to Sparse-Splitting Optical Networks
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Minimum Cost Multicast Routing Based on High Utilization MC Nodes Suited to Sparse-Splitting Optical Networks

机译：适用于稀疏分裂光网络的基于高利用率MC节点的最低成本组播路由

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摘要

As the Internet traffic continues to grow exponentially, Wavelength Division Multiplexing (WDM) networks with tera bps bandwidth per fiber naturally emerge as backbone for next generation optical Internet. In particular, much research regarding multicast services has progressed for connecting source to destination nodes efficiently because multicast demands are increasing. However, sparse-splitting networks are more realistic than fully-splitting ones, since multicast-capable cross-connectors are expensive. In this paper, a heuristic method to minimize the cost of a multicast tree based mainly on Multicast-Capable nodes in sparse-splitting networks is proposed. According to the results of comprehensive simulations and compared to the previous algorithms, the proposed algorithm provides performance improvement up to about 16% in terms of wavelength channel cost.
机译：随着Internet流量继续呈指数级增长，每条光纤具有数TB bps带宽的波分复用（WDM）网络自然地成为了下一代光纤Internet的骨干。特别地，由于多播需求不断增加，为了有效地将源连接到目的节点，有关多播服务的许多研究已经取得进展。但是，稀疏分离的网络比完全分离的网络更现实，因为支持多播的交叉连接器很昂贵。本文提出了一种在稀疏分离网络中主要基于具有组播能力的节点的启发式方法，以最小化组播树的成本。根据综合仿真的结果并与以前的算法进行比较，该算法在波长信道成本方面可将性能提高约16％。

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