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首页> 外文会议>Conference on Terabit Optical Networking: Architecture, Control, and Management Issues, Nov 6-7, 2000, Boston, USA >Performance evaluation of an optical packet switch under self-similar traffic
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Performance evaluation of an optical packet switch under self-similar traffic

机译：自相似流量下光分组交换机的性能评估

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摘要

The increasing volume of Internet packet traffic in the telecommunications network has instigated a revolution in traffic modelling techniques, where self-similar instead of Markovian traffic models are now used to produce a realistic representation of data traffic. This paper presents a brief introduction to self-similar traffic and its impact on the performance of an optical node, in terms of packet loss probability and delay. It is demonstrated from simulation results that by employing multiple wavelength channels within the switch and incorporating void-filling, a packet loss probability of 10~(-6) can be attained. The generated traffic was subjected to statistical tests, and its Hurst parameter was determined using parameter estimation to verify the theoretical assumptions inherent in using infinite variance ON/OFF sources to capture self-similarity.
机译：电信网络中Internet数据包流量的不断增长引发了流量建模技术的一场革命，在这种革命中，现在使用自相似而非马尔可夫流量模型来生成数据流量的真实表示。本文从丢包概率和延迟方面简要介绍了自相似流量及其对光节点性能的影响。从仿真结果可以看出，通过在交换机内采用多个波长信道并结合空填充，可以达到10〜（-6）的丢包率。对生成的流量进行统计测试，并使用参数估计来确定其Hurst参数，以验证使用无限方差开/关源捕获自相似性时固有的理论假设。

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