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Multicast delivery scheme for threshold secret shared content

机译:阈值秘密共享内容的组播传递方案

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A threshold secret sharing scheme can deliver important content reliably using redundant delivery routes via a network. Furthermore, simultaneous delivery of the threshold secret shared content to multiple receivers can achieve efficient resource utilization thanks to multicast and network coding techniques. Nevertheless, the network coding technique results in a tradeoff between reliability and efficiency. This paper proposes a multicast delivery scheme for threshold secret shared content that can control the tradeoff between reliability and efficiency. In the proposed scheme, all the pieces obtained from the original content are grouped in advance, and network coding is only applied to the pieces included in the same group. This paper also proposes two kinds of heuristic multicast delivery route computation methods to optimize the proposed multicast delivery scheme in networks on a practical scale. The evaluation results show that the proposed scheme adopting an optimized number of groups can actually minimize the total link bandwidth required while satisfying the given requirement on content loss probability.
机译:阈值秘密共享方案可以通过网络使用冗余传递路线可靠地提供重要内容。此外,由于组播和网络编码技术,同时向多个接收器的阈值秘密共享内容的交付可以实现有效的资源利用。然而,网络编码技术导致可靠性和效率之间的权衡。本文提出了一种用于阈值秘密共享内容的多播传递方案,可以控制可靠性和效率之间的权衡。在所提出的方案中,从原始内容获得的所有片段预先分组,并且网络编码仅应用于包括在同一组中的部分。本文还提出了两种启发式多播递送路由计算方法,以优化实际规模的网络中所提出的多播传送方案。评估结果表明,采用优化组的所提出的方案实际上可以最小化所需的总链接带宽,同时满足对内容损耗概率的要求。

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