A fair DBA algorithm for multiservice access in EPON

Wu Huan

doi:10.13756/j.gtxyj.2007.03.005

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A fair DBA algorithm for multiservice access in EPON

- A fair DBA algorithm for multiservice access in EPON
- Study on Optical communication Issue 3, Pages: 13-15(2007)
- 作者机构：
  
  武汉邮电科学研究院,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2007.03.005
  CLC： TN929.1
- Published：2007，
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[1]吴欢.一种在EPON中支持多业务接入的DBA公平算法[J].光通信研究,2007(03):13-15.

Wu Huan. A fair DBA algorithm for multiservice access in EPON. [J]. (3):13-15(2007)
[1]吴欢.一种在EPON中支持多业务接入的DBA公平算法[J].光通信研究,2007(03):13-15. DOI： 10.13756/j.gtxyj.2007.03.005.

Wu Huan. A fair DBA algorithm for multiservice access in EPON. [J]. (3):13-15(2007) DOI： 10.13756/j.gtxyj.2007.03.005.

摘要

上行带宽的动态带宽分配是以太网无源光网络（EPON）系统的一个重要研究领域

文章提出了一种区分业务优先等级的动态周期轮询算法。该算法保证了高优先级业务的实时传输

同时为中、低优先级业务提供了基本的带宽

兼顾了动态带宽分配的效率和公平性。文中通过公式推导

给出了算法的具体实现过程

从理论上证明了新算法的可行性。

Abstract

Dynamic Bandwidth Allocation（DBA） of the upstream bandwidth is crucial in EPON systems.In this paper

a service priority-based dynamic polling with adaptive cycle scheme is introduced.It ensures the real-time transmission of high priority services and provides basic bandwidths to the low-and medium-priority services with the efficiency and fairness of the dynamic bandwidth allocation guaranteed.The specific implementation of the scheme is described by formula deduction and the feasibility of the new DBA scheme is theoretically proved.

关键词

以太网无源光网络动态带宽分配业务优先等级权重参数

Keywords

Ethernet over PON（EPON）DBAservice priorityweight parameter

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FiberHome Telecommunication Technologies Co., Ltd.

Wuhan Research Institute of Posts and Telecommunications

Key Laboratory of Instrument Science and Dynamic Testing, Ministry of Education,North University of China

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State Key Laboratory of Optical Communication Technologies and Networks

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