长距离PON中DBA固定多线程算法的延迟分析

N. Binh, Byeong-Ho Kang, Su-il Choi
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引用次数: 2

摘要

长程PON (LR-PON)是一种采用无源光网络(PON)技术的宽带接入网,传输距离可达100公里以上。LR-PON的一个主要挑战是OLT和onu之间的传播延迟增加了很多。分析了固定多线程算法的延迟性能,该算法是一种简单高效的远程PON动态带宽分配算法。重点分析了加速转发(EF)流量类的平均包延迟。本文的性能分析表明,在长距离PON中,针对DBA的固定多线程算法在不受负载变化影响的情况下,为EF流量类提供了可预测的数据包延迟和改进的抖动性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Delay Analysis of Fixed Multi-Thread Algorithm for DBA in Long Reach PON
Long-Reach PON (LR-PON) is a broadband access network using passive optical network (PON) technology which the reach is extended to 100 km or higher. A major challenge in LR-PON is that the propagation delay between OLT and ONUs is increased by a very significant amount. We analyze the delay performance of fixed multi-thread algorithm, which is simple and efficient, for dynamic bandwidth allocation in long reach PON. Especially, the average packet delay of the expedited forwarding (EF) traffic class is analyzed. This performance analysis reveals that fixed multi-thread algorithm for DBA in long reach PON provides predictable packet delay and improved jitter performance for the EF traffic class without the influence of load variations.
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