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A cross-layer design for P2P live streaming with graceful handover in mobile IP network

机译：移动IP网络中具有优雅切换的P2P实时流传输的跨层设计

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摘要

With the development of wireless network and rapidly increasing requirements for mobile computing, peer-to-peer technology on Mobile IP (Mobile P2P) becomes a new focus. Mobile P2P is a more and more interested topic for live streaming in next generation. However, the direct porting of existing P2P application on Mobile IP is difficult to overcome time-critical limitation. Handover under Mobile IP usually leads to overlay failure and session interruption, which lead to long handover delay and intolerable service disruption time. The wireless network has more uncertain dynamics than the wired network, and the dynamics degrade the stable data rate for P2P live streaming. In order to improve the streaming continuity, we propose a cross-layer design to achieve the seamless handover and adjust the playback quality. This article discusses the architecture of present Mobile IP network, and we overcome the challenges to apply P2P service on Mobile IP. The proposed scheme maintains P2P session during IP handover and successfully reroutes packets to the new visited subnet. The motivation is the successful integration of Mobile IP and P2P live streaming, and the goal is the improvement of playback continuity. The simulation results explain that our proposed scheme indeed meliorates the performance of mobile P2P live streaming.
机译：随着无线网络的发展以及对移动计算的迅速增长的需求，基于移动IP（Mobile P2P）的对等技术成为新的焦点。移动P2P是下一代实时流媒体越来越感兴趣的话题。但是，现有P2P应用程序在移动IP上的直接移植很难克服对时间要求严格的限制。在移动IP下进行切换通常会导致覆盖失败和会话中断，从而导致较长的切换延迟和无法忍受的服务中断时间。与有线网络相比，无线网络具有更大的不确定性，并且这种动态性降低了P2P实时流传输的稳定数据速率。为了提高流传输的连续性，我们提出了一种跨层设计，以实现无缝切换并调整播放质量。本文讨论了当前的移动IP网络的体系结构，我们克服了在移动IP上应用P2P服务的挑战。所提出的方案在IP切换期间维护P2P会话，并成功将数据包重新路由到新的访问子网。其动机是成功整合Mobile IP和P2P实时流，目标是提高播放连续性。仿真结果说明，我们提出的方案确实改善了移动P2P实时流的性能。

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