Multiservice-supported EPON dynamic bandwidth allocation scheme without light load penalty

Li Xiaobin; Wu Qiong; Wang Fuqiang

doi:10.13756/j.gtxyj.2010.04.009

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Multiservice-supported EPON dynamic bandwidth allocation scheme without light load penalty

- Multiservice-supported EPON dynamic bandwidth allocation scheme without light load penalty
- Study on Optical communication Issue 4, Pages: 33-36(2010)
- 作者机构：
  
  深圳大学信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.04.009
  CLC： TN929.11
- Published：2010，
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[1]李晓滨,吴琼,王付强.避免轻载惩罚支持多业务的EPON动态带宽分配[J].光通信研究,2010(04):33-36.

Li Xiaobin, Wu Qiong, Wang Fuqiang. Multiservice-supported EPON dynamic bandwidth allocation scheme without light load penalty. [J]. (4):33-36(2010)
[1]李晓滨,吴琼,王付强.避免轻载惩罚支持多业务的EPON动态带宽分配[J].光通信研究,2010(04):33-36. DOI： 10.13756/j.gtxyj.2010.04.009.

Li Xiaobin, Wu Qiong, Wang Fuqiang. Multiservice-supported EPON dynamic bandwidth allocation scheme without light load penalty. [J]. (4):33-36(2010) DOI： 10.13756/j.gtxyj.2010.04.009.

摘要

为了支持语音、视频和数据等多业务接入

以太网无源光网络（EPON）动态带宽分配算法需要保证不同业务的优先级以提供不同的服务质量（QoS）、减小实时业务时间延迟

这会带来轻载惩罚问题。针对该问题

文章提出一种基于多队列带宽分配方案

即光网络单元为不同优先级的业务分别申请带宽并引入预测机制。给出了具体算法并进行了算法仿真。仿真结果表明

该方案不仅能支持语音、视频和数据等多业务接入

还能从根本上避免轻载惩罚

通过预测可以进一步提高高优先级业务的QoS。

Abstract

In order to support the access of voice

video and data services

the dynamic bandwidth allocation algorithm for EPON need to provide services of different priorities with different quality of services and reduce the latency of real-time services

thus resulting in light load penalty.In respect to this problem

a multi-queue bandwidth allocation scheme is presented

i.e.optical network units request bandwidths for service with different priorities respectively and a prediction scheme is introduced.A specific algorithm is given and simulation is carried out.Simulation results show that this scheme can not only support multi-service access

but also fundamentally avoid light load penalty and further improve the QoS for services with high priorities.

关键词

以太网无源光网络动态带宽分配轻载惩罚服务质量

Keywords

EPONdynamic bandwidth allocationlight load penaltyQoS

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Related Institution

Xi’an Communication Institute

西安通信学院陕西西安710106

College of Electrical and Power Engineering, Taiyuan University of Technology

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Image and Network Investigation Department,Railway Police College

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