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首页> 外文期刊>IEICE Transactions on Communications >Design and Prototyping of Error Resilient Multi-Server Video Streaming System with Inter-Stream FEC
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Design and Prototyping of Error Resilient Multi-Server Video Streaming System with Inter-Stream FEC

机译：具有流间FEC的容错多服务器视频流系统的设计和原型设计

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摘要

To establish seamless and highly robust content distribution, we proposed the new concept of Inter-Stream Forward Error Correction (FEC), an efficient data recovery method leveraging several video streams. Our previous research showed that Inter-Stream FEC had significant recovery capability compared with the conventional FEC method under ideal modeling conditions and assumptions. In this paper, we design the Inter-Stream FEC architecture in detail with a view to practical application. The functional requirements for practical feasibility are investigated, such as simplicity and flexibility. Further, the investigation clarifies a challenging problem: the increase in processing delay created by the asynchronous arrival of packets. To solve this problem, we propose a pragmatic parity stream construction method. We implement and evaluate experimentally a prototype system with Inter-Stream FEC. The results demonstrate that the proposed system could achieve high recovery performance in our experimental environment.
机译：为了建立无缝且高度健壮的内容分发，我们提出了流间前向纠错（FEC）的新概念，这是一种利用多个视频流的有效数据恢复方法。我们之前的研究表明，在理想的建模条件和假设下，流间FEC与常规FEC方法相比具有显着的恢复能力。在本文中，我们针对实际应用详细设计了流间FEC架构。研究了实际可行性的功能要求，例如简单性和灵活性。此外，调查还阐明了一个具有挑战性的问题：由于数据包的异步到达而导致的处理延迟增加。为了解决这个问题，我们提出了一种实用的奇偶流构造方法。我们使用Inter-Stream FEC实现并通过实验评估原型系统。结果表明，所提出的系统在我们的实验环境中可以实现较高的恢复性能。

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