基于时延的LEO卫星网络SDN控制器动态放置方法

TP393; 针对控制器进行信息同步维护全局网络视图时网络时延大的问题,基于对网络时延的分析提出了一种能够满足动态组网覆盖需求的SDN控制器放置方法.首先,根据卫星与终端的相对速度设计基于冗余覆盖的卫星子网划分机制;然后,对卫星网络分布式控制网络时延的进行研究,建立基于时延的控制器放置模型;最后,将控制器放置问题转化为基于软容量限制的设备放置问题,设计近似算法对模型进行求解.实验结果表明,所提方法能够在满足网络覆盖需求的同时优化网络时延....

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Published in通信学报 Vol. 41; no. 3; pp. 126 - 135
Main Authors 韩珍珍, 赵国锋, 徐川, 周文涛, 周洋洋
Format Journal Article
LanguageChinese
Published 重庆邮电大学通信与信息工程学院,重庆,400065 25.03.2020
Subjects
Online AccessGet full text
ISSN1000-436X
DOI10.11959/j.issn.1000-436x.2020054

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Abstract TP393; 针对控制器进行信息同步维护全局网络视图时网络时延大的问题,基于对网络时延的分析提出了一种能够满足动态组网覆盖需求的SDN控制器放置方法.首先,根据卫星与终端的相对速度设计基于冗余覆盖的卫星子网划分机制;然后,对卫星网络分布式控制网络时延的进行研究,建立基于时延的控制器放置模型;最后,将控制器放置问题转化为基于软容量限制的设备放置问题,设计近似算法对模型进行求解.实验结果表明,所提方法能够在满足网络覆盖需求的同时优化网络时延.
AbstractList TP393; 针对控制器进行信息同步维护全局网络视图时网络时延大的问题,基于对网络时延的分析提出了一种能够满足动态组网覆盖需求的SDN控制器放置方法.首先,根据卫星与终端的相对速度设计基于冗余覆盖的卫星子网划分机制;然后,对卫星网络分布式控制网络时延的进行研究,建立基于时延的控制器放置模型;最后,将控制器放置问题转化为基于软容量限制的设备放置问题,设计近似算法对模型进行求解.实验结果表明,所提方法能够在满足网络覆盖需求的同时优化网络时延.
Author 韩珍珍
周洋洋
周文涛
赵国锋
徐川
AuthorAffiliation 重庆邮电大学通信与信息工程学院,重庆,400065
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HAN Zhenzhen
ZHOU Yangyang
ZHOU Wentao
XU Chuan
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Keywords 控制器放置
近似算法
天地一体化信息网络
软件定义网络
网络时延
卫星子网划分
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Snippet TP393; 针对控制器进行信息同步维护全局网络视图时网络时延大的问题,基于对网络时延的分析提出了一种能够满足动态组网覆盖需求的SDN控制器放置方法.首先,根据卫星与终端的...
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Title 基于时延的LEO卫星网络SDN控制器动态放置方法
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