| 延迟/中断可容忍网络研究进展 |
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| 引用本文： | 李向群,刘立祥,胡晓惠,曾开祥.延迟/中断可容忍网络研究进展[J].计算机研究与发展,2009,46(8):1270-1277. |
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| 作者姓名： | 李向群 刘立祥 胡晓惠 曾开祥 |
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| 作者单位： | 1. 中国科学院软件研究所综合信息系统技术国家级重点实验室,北京,100190
2. 北京大学地球与空间科学学院,北京,100871 |
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| 基金项目： | supported by pre-research project“Integrated Information System Network and Transportation”(61501.03.01.03) |
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| 摘 要： | DTN网络是一类延迟/中断可容忍网络，具有长延时、某一时刻不存在端到端链路或者链路频繁中断、节点存储/计算能力低等特点，与现在的地面有线网有着根本的区别，所以现有网络协议，如TCP协议等无法满足DTN网络应用.在介绍DTN网络起源和特点的基础上，详细描述了DTN网络中几个典型的网络协议；比较了不同的DTN网络路由算法；对DTN网络在深空探测、野生动物研究、湖水质量检测、偏远地区通信等领域的应用作了介绍；最后对DTN网络未来的研究趋势进行了分析与展望.
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| 关 键 词： | DTN 网络协议 网络模型 路由算法 DTN应用 |
Delay/Disruption-Tolerant Network Study |
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| Li Xiangqun,Liu Lixiang,Hu Xiaohui,Zeng Kaixiang.Delay/Disruption-Tolerant Network Study[J].Journal of Computer Research and Development,2009,46(8):1270-1277. |
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| Authors: | Li Xiangqun Liu Lixiang Hu Xiaohui Zeng Kaixiang |
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| Affiliation: | National Key Laboratory of Integrated Information System Technology;Institute of Software;Chinese Academy of Sciences;Beijing 100190;School of Earth and Space Science;Peking University;Beijing 100871 |
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| Abstract: | Although often not explicitly stated,the existing Internet model is based on a number of assumptions,such as:an end-to-end path exists between the source and its destination at all time,the maximum delay is not excessive,and the packet drop probability is small.However,a class of challenged networks,which are called DTN(delay/disrupton-tolerant network),emerge in many circumstances.DTN is greatly different from the traditional network model.It has long delay,frequent disruption,no end-to-end path simultaneo... |
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| Keywords: | DTN |
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