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首页> 外文会议>International Conference on ITS(Intelligent Transport Systems Standardization) Telecommunications Proceedings(ITST2006); 20060621-23; Chengdu(CN) >Rating of Routing by Redundancy Overall Need
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Rating of Routing by Redundancy Overall Need

机译：通过冗余总体需求对路由进行评级

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摘要

Thanks to the large buffering time of off-line streaming applications, erasure resilient Forward Error Correction (FEQ codes can improve the reliability of communication particularly well. However real-time streaming puts hard restrictions on the buffer size making FEC inefficient for combating long link failures on single path routes. Path diversity is orthogonal to buffering and permits real-time streaming to also benefit from application of FEC. We introduce a capillary routing algorithm offering layer by layer a wide range of multi-path routing topologies starting from a simple solution and evolving toward reliable routing patterns with highly developed path diversity. The friendliness of a multi-path routing pattern is rated by the overall amount of FEC redundancy required for combating the non-simultaneous failures of all links of the communication footprint. We rated the friendliness of a dozen of capillary routing layers, built on several hundreds of network samples obtained from a random walk Mobile Ad-Hoc Network (MANET). The overall requirement in redundant FEC codes decreases substantially as the spreading of the routing grows.
机译：由于离线流应用程序具有较大的缓冲时间，因此擦除弹性的前向纠错（FEQ码）可以特别好地改善通信的可靠性。但是，实时流技术对缓冲区大小施加了严格的限制，使得FEC在应对长链路故障时效率低下在单路径路径上，路径分集与缓冲正交，并允许实时流也受益于FEC的应用。我们引入一种毛细管路由算法，从简单的解决方案开始逐层提供广泛的多路径路由拓扑，朝着具有高度路径多样性的可靠路由选择模式发展；多路径路由选择模式的友好程度是通过应对通信覆盖区所有链路的非同时性故障所需的FEC冗余总量来评估的。在数百个网络样本的基础上构建的十几个毛细管路由层随机行走的移动Ad-Hoc网络（MANET）。随着路由范围的扩展，冗余FEC代码中的总体要求大大降低。

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