Performance of Licklider transmission protocol (LTP) in LEO-satellite communications with link disruptions

2016 IEEE 15th International Conference on Cognitive Informatics & Cognitive Computing (ICCI*CC) Pub Date : 2016-08-01 DOI:10.1109/ICCI-CC.2016.7862028

Ding Wang

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引用次数: 8

Abstract

Near Earth missions ranging from low-Earth orbit (LEO) to Earth-Sun Lagrangian points will continue to be a majority of future space missions. A few works have been done with delay/disruption tolerant networking (DTN) technology for LEO-satellite communications and provided feasibility for its adoption in LEO space missions. However, no much work has been done to fully evaluate the performance of DTN in such an environment, especially in the presence of long link disruption, data corruption and loss, and link asymmetry. In this paper, we present an experimental performance evaluation of DTN architecture and protocol stack, with Licklider transmission protocol (LTP) serving as a convergence layer adapter (CLA) underneath bundle protocol (BP), in a typical LEO-satellite communication infrastructure accompanied by a very long link outage, various packet corruption and loss rates, and channel rate symmetry and asymmetry. The experiment was conducted by performing realistic file transfers over a PC-based test-bed.

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链路中断时Licklider传输协议(LTP)在leo卫星通信中的性能

从近地轨道(LEO)到地球-太阳拉格朗日点的近地任务将继续成为未来太空任务的主要内容。在低轨道卫星通信的容忍延迟/中断网络技术方面已经进行了一些工作，并为在低轨道空间任务中采用该技术提供了可行性。然而，在这种环境下，特别是在存在长链路中断、数据损坏和丢失以及链路不对称的情况下，对DTN的性能进行全面评估的工作还不多。在本文中，我们提出了DTN架构和协议栈的实验性能评估，其中Licklider传输协议(LTP)作为包协议(BP)下的汇聚层适配器(CLA)，在典型的leo -卫星通信基础设施中，伴随很长的链路中断，各种数据包损坏和丢失率，以及信道速率对称和不对称。该实验是通过在基于pc的测试台上执行真实的文件传输来进行的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE 15th International Conference on Cognitive Informatics & Cognitive Computing (ICCI*CC)

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