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首页> 外文期刊>Peer-to-peer networking and applications >CliqueStream: Creating an efficient and resilient transport overlay for peer-to-peer live streaming using a clustered DHT - Springer
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CliqueStream: Creating an efficient and resilient transport overlay for peer-to-peer live streaming using a clustered DHT - Springer

机译：CliqueStream：使用群集DHT为点对点实时流创建高效且有弹性的传输覆盖-Springer

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摘要

Several overlay-based live multimedia streaming platforms have been proposed in the recent peer-to-peer streaming literature. In most of the cases, the overlay neighbors are chosen randomly for robustness of the overlay. However, this causes nodes that are distant in terms of proximity in the underlying physical network to become neighbors, and thus data travels unnecessary distances before reaching the destination. For efficiency of bulk data transmission like multimedia streaming, the overlay neighborhood should resemble the proximity in the underlying network. In this paper, we exploit the proximity and redundancy properties of a recently proposed clique-based clustered overlay network, named eQuus, to build efficient as well as robust transport overlays for multimedia streaming. To combine the efficiency of content pushing over tree structured overlays and the robustness of data-driven mesh overlays, higher capacity stable nodes are organized in tree structure to carry the long haul traffic and less stable nodes with intermittent presence are organized in localized meshes. The overlay construction and fault-recovery procedures are explained in details. Simulation study demonstrates the good locality properties of the platform. The outage time and control overhead induced by the failure recovery mechanism are minimal as demonstrated by the analysis.
机译：在最近的对等流媒体文献中已经提出了几种基于覆盖的实时多媒体流媒体平台。在大多数情况下，为了覆盖的鲁棒性，随机选择覆盖邻居。但是，这导致在基础物理网络中距离较近的节点成为邻居，因此数据在到达目的地之前会经过不必要的距离。为了提高像多媒体流这样的大容量数据传输的效率，覆盖邻域应类似于基础网络中的邻近度。在本文中，我们利用了最近提出的基于团簇的群集覆盖网络eQuus的接近度和冗余属性，以构建高效且健壮的多媒体流传输覆盖。为了将内容推送到树状结构覆盖上的效率与数据驱动的网格覆盖的鲁棒性相结合，在树状结构中组织了更高容量的稳定节点来承载长途流量，而在局部网格中组织了间歇性存在的不稳定的节点。将详细介绍覆盖层的构造和故障恢复过程。仿真研究证明了平台的良好局部性。分析表明，故障恢复机制引起的停机时间和控制开销最小。

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