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中文摘要：
介绍了一种基于Omega网结构的新型FuO网络模型，并基于该网络模型提出了无阻塞实现多播的解决方案．该网络由1个Omega^-1＋Omega网和1个简化的Omega^-1×Omega网串连构成，其开关总数达到2NlogN-N／2．本文还对FuO网络模型进一步优化．提出了一种循环Omega^-1×Omega网，开关总数达到2NlogN-N／2，比FuO网络大大降低．采用Omega网上的特定路由算法，可以无阻塞地实现任意多源点多播．
英文摘要：
This paper presents a new network model called FuO based on Omega network. Based on this network model, an implementation scheme for multicast is proposed. This model is constructed by one Omega^1＋Omega network and one simplified Omega^-1×Omega network with series-wound connection pattern, and the total switches are 2N log N-N/2. As the melioration of FuO network, this paper presents a rotativc Omega^-1× Omega network ,whose switches are N log N-N/2,more less than FuO network,with the given routing algorithm, the network can realize non-blocking multiple multicast.
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