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    • 6. 发明专利
    • Monitoring apparatus and monitoring method
    • 监测装置和监测方法
    • JP2011061257A
    • 2011-03-24
    • JP2009205366
    • 2009-09-04
    • Fujitsu Ltd富士通株式会社
    • NOMURA YUJIAKE TAKESHI
    • H04L12/28
    • H04L61/2046H04L29/12264H04L43/04
    • PROBLEM TO BE SOLVED: To provide a monitoring apparatus for detecting the duplication of IP addresses in a subnet without transmitting packets by broadcast.
      SOLUTION: The monitoring apparatus monitors packet communication having identification information which is increased at each time when transmission takes place between information processing apparatuses. The monitoring apparatus includes a storage unit for making the identification information of a first packet transmitted from the information processing apparatus associated with a transmission source address of the first packet and storing them, an input unit for acquiring a second packet newly transmitted from the information processing apparatus, and a processing unit for comparing the identification information of the first packet with the identification information of the second packet when the transmission source address of the first packet matches the transmission source address of the second packet, and determining that the IP address assigned to the information processing apparatus is assigned to the other information processing apparatus described earlier when the identification information is discontinuous.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于检测子网中IP地址的复制而不通过广播发送分组的监视装置。 解决方案:监视设备监视在信息处理设备之间进行传输时每次增加的识别信息的分组通信。 监视装置包括:存储单元,用于从与信息处理设备相关联的信息处理设备发送的与第一分组的发送源地址相关联的第一分组的识别信息存储;存储单元,用于获取从信息处理新发送的第二分组 装置和处理单元,用于当第一分组的发送源地址与第二分组的发送源地址匹配时,将第一分组的识别信息与第二分组的识别信息进行比较,并且确定分配给 当识别信息不连续时,信息处理设备被分配给先前描述的其他信息处理设备。 版权所有(C)2011,JPO&INPIT