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    题名: Using NS2 to Analyze the Packet Drop Problem for a New Routing Method in DTNs
    作者: Yang, Shih-Yang;Jiang, Jiun-Ting;Chen, Po-Zung
    关键词: DTN;Routing;Epidemic;NS2
    日期: 2013/02/14
    上传时间: 2016-04-22 13:12:27 (UTC+8)
    摘要: In this paper, we use ns2 to simulate our new routing methods. We compare the delivery ratio in
    four different routing methods and analysis the impacts that affect the delivery ratio. We choose our
    new routing, named OOPFE-Routing and has been accepted in ICCNT2012 [8], with other three
    routing methods to analysis the issues affecting routing performance.
    We will specially focus on the packet-drop-problems that don't consider the network security and
    don't depend on buffer queue in delay tolerant networks. From our experimental results, the number
    of delivery ratio of OOPFE is even better than Epidemic-Routing which is high-bound in theory. The
    interesting reason is the overhead of OOPFE lower than Epidemic.
    We will research about the reason of overhead. There are three major reasons; the first reason is
    the numbers of repeatedly received packets. The second reason is the numbers of packets dropped by
    our setting, when the size of buffer-queue is less than 100%. The last reason is the numbers of packets
    dropped by other five types of reason in the routing time.
    Furthermore, we compare the detail reasons in the collision reason from four different routings and
    especially made a special analysis for multiple copy packets to understand the characteristics of the
    different routing protocols.
    關聯: Journal of Convergence Information Technology 8(4), pp.1-11
    DOI: 10.4156/jcit.vol8.issue4.94
    显示于类别:[資訊工程學系暨研究所] 期刊論文

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