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1. 西安交通大学电子与信息工程学院,陕西 西安 710049
2. 西安交通大学软件学院,陕西 西安 710049
3. 西安邮电大学通信与信息工程学院,陕西 西安 710061
[ "曲桦(1961-),男,博士,西安交通大学电子与信息工程学院教授、博士生导师,主要研究方向为现代通信网、计算机网络体系结构。" ]
[ "李岩松(1992-),男,西安交通大学软件学院硕士生,主要研究方向为软件定义网络、信息中心网络。" ]
[ "赵季红(1963-),女,博士,西安交通大学电子与信息工程学院、西安邮电大学通信与信息工程学院教授,主要研究方向为宽带通信网、新一代网络的管理与控制。" ]
[ "赵东旭(1993-),男,西安交通大学软件学院硕士生,主要研究方向为基于软件定义网络流量监控及分类。" ]
[ "赵建龙(1992-),男,西安交通大学软件学院博士生,主要研究方向为面向软件定义网络的流量工程技术及北向接口协议。" ]
网络出版日期:2017-12,
纸质出版日期:2017-12-20
移动端阅览
曲桦, 李岩松, 赵季红, 等. 一种基于ELM预测的NDN移动性支持方法[J]. 电信科学, 2017,33(12):53-65.
Hua QU, Yansong LI, Jihong ZHAO, et al. A mobility support method based on ELM prediction for named data networking[J]. Telecommunications science, 2017, 33(12): 53-65.
曲桦, 李岩松, 赵季红, 等. 一种基于ELM预测的NDN移动性支持方法[J]. 电信科学, 2017,33(12):53-65. DOI: 10.11959/j.issn.1000-0801.2017329.
Hua QU, Yansong LI, Jihong ZHAO, et al. A mobility support method based on ELM prediction for named data networking[J]. Telecommunications science, 2017, 33(12): 53-65. DOI: 10.11959/j.issn.1000-0801.2017329.
命名数据网络(NDN)架构是信息中心网络思想指导下的新一代网络架构,移动性支持方法是命名数据网络架构下的主要研究点。传统的生产者端移动性支持方法都采取事后应对的方式,对消费者而言,该方法无法保证切换过程的透明性。针对上述问题,提出了一种基于ELM预测的移动性支持方法PB,该方法对原有前向转发表进行修改,并增加了新的控制消息分组使得网络中相应节点可以针对预测算法的结果进行提前调整,并且兴趣分组多播的方式使得无论何时发生切换,生产者终端都能立即对兴趣分组进行响应,同时方法针对预测可能失败的问题提供了快速恢复网络原有状态的方法。仿真实验表明,本文提出的PB移动性支持方法相比于RP和IP移动性支持方法能显著降低切换时延,减少因切换导致的分组丢失。
Named data networking (NDN) is a new generation network architecture under the guidance of information center network
and the mobility support method is the main research point in NDN.In the traditional way of the producer-side mobility support method
the post-response mode is adopted
which makes it impossible to realize the transparency of the switching process.A mobility support method called PB based on ELM prediction was proposed.In the method
the original forwarding interest base was modified and a new control message packet was added so that the corresponding node in the network could adjust the result of the prediction algorithm in advance
and the switch of the producer terminal could respond to the interest package at any time by means of interest packet multicast.At the same time
the method provided a way to quickly restore the original state of the network for the problem that the prediction may fail.The simulation results show that the proposed PB mobility support method can reduce the handoff latency and the packet loss caused by handoff compared with the RP and IP mobility support methods.
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JIANG X , BI J , WANG Y . What benefits does NDN have in supporting mobility [C ] // Computers and Communication,June 23-26,2014,Funchal,Madeira,Portugal . New Jersey:IEEE Press , 2014 : 1 - 6 .
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