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arXiv 1303.6887cs.NI
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用于现场娱乐内容的可扩展对等流媒体

Scalable peer-to-peer streaming for live entertainment content

Eleni Mykoniati, Raul Landa, Spiros Spirou, Richard G. Clegg, Lawrence Latif, David Griffin, Miguel Rio

摘要:

我们提出了一种用于在互联网上将源自单个源的现场娱乐内容流式传输到可扩展数量的消费者而不诉诸于集中的或提供商提供的资源的系统。该系统创建对等覆盖网络,该对等覆盖网络尝试优化现有容量的使用以确保服务质量,从而在实况内容的播出中提供低启动延迟和滞后。我们的解决方案主要有三个方面。首先,构建覆盖拓扑以最小化从源到终端消费者的传播延迟的群集机制。其次,一个分布式覆盖选播系统,它使用基于位置的搜索算法来快速找到给定流中最近的对等点。最后,一种新的激励机制,鼓励同行捐赠的能力,即使用户不积极消费的内容。

英文摘要:

We present a system for streaming live entertainment content over the Internet originating from a single source to a scalable number of consumers without resorting to centralised or provider- provisioned resources. The system creates a peer-to-peer overlay network, which attempts to optimise use of existing capacity to ensure quality of service, delivering low start-up delay and lag in playout of the live content. There are three main aspects of our solution. Firstly, a swarming mechanism that constructs an overlay topology for minimising propagation delays from the source to end consumers. Secondly, a distributed overlay anycast system that uses a location-based search algorithm for peers to quickly find the closest peers in a given stream. Finally, a novel incentives mechanism that encourages peers to donate capacity even when the user is not actively consuming content.

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