A QoS-guaranteed enhanced self-adaptive offset time algorithm for OBS network

Sun Wanju; Zhu Na; Dong Chuancheng

doi:10.13756/j.gtxyj.2010.02.005

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A QoS-guaranteed enhanced self-adaptive offset time algorithm for OBS network

- A QoS-guaranteed enhanced self-adaptive offset time algorithm for OBS network
- Study on Optical communication Issue 2, Pages: 4-6(2010)
- 作者机构：
  
  江苏大学计算机科学与通信工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.02.005
  CLC： TN929.1
- Published：2010，
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[1]孙万举,朱娜,董传成.OBS中支持QoS的增强型自适应偏置时间算法[J].光通信研究,2010(02):4-6.

Sun Wanju, Zhu Na, Dong Chuancheng. A QoS-guaranteed enhanced self-adaptive offset time algorithm for OBS network. [J]. (2):4-6(2010)
[1]孙万举,朱娜,董传成.OBS中支持QoS的增强型自适应偏置时间算法[J].光通信研究,2010(02):4-6. DOI： 10.13756/j.gtxyj.2010.02.005.

Sun Wanju, Zhu Na, Dong Chuancheng. A QoS-guaranteed enhanced self-adaptive offset time algorithm for OBS network. [J]. (2):4-6(2010) DOI： 10.13756/j.gtxyj.2010.02.005.

摘要

在基于恰量时间（Just-Enough-Time

JET）信令的无光缓存光突发交换（OBS）网络中

根据网络负载和服务质量（QoS）要求灵活进行偏置时间（Offset Time

OT）设置的问题

文章提出了一种使用增强型学习机制计算OT的算法

使得OT能够随着网络载荷的变化进行自适应调整

并能支持QoS

从而能较好地适应网络状态的变化。仿真结果表明

该算法可以在不同的网络状态下有效地降低端到端的延迟和阻塞率

并能很好地提供QoS服务。

Abstract

An algorithm for the calculation of Offset Time（OT） by using the enhanced learning mechanism is presented in accordance with the flexible OT setting required by the network load and QoS in the Just-Enough-Time（JET）-signaling-based buffer-less Optical Bursting Switching（OBS） networks so as to enable OT to be self-adapted in line with the variations of the network load and support QoS so that it can adapt itself to the changes of the network status.Simulation results show that the end-to-end delay and blocking ratio in different network statuses can be effectively reduced and QoS well provided by using this algorithm.

关键词

光突发交换恰量时间偏置时间增强型学习算法

Keywords

OBSJEToffset-timeenhanced learning algorithm

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Related Institution

Computer School,Nanjing University of Posts and Telecommunications

College of Computer Science,South-Central University for Nationalities

College of Communication and Information Engineering,Nanjing University of Posts & Telecommunications

SKL of OCTN,Wuhan Research Institute of Post and Telecommunications

College of Computer Science,South-Central University for Nationalities

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