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1. 发明专利

JP2014123811A Network analyzing method, information processing device and program 有权
标题翻译：网络分析方法，信息处理设备和程序
公开(公告)号：JP2014123811A
公开(公告)日：2014-07-03
申请号：JP2012277895
申请日：2012-12-20
申请人： Fujitsu Ltd , 富士通株式会社
发明人： OKADA SUMIYO , NOMURA YUJI
IPC分类号： H04W24/08 , H04B17/00 , H04L12/70 , H04L12/801 , H04L12/911
CPC分类号： H04W24/08 , H04L43/0858
摘要： PROBLEM TO BE SOLVED: To enable an operator to efficiently identify a radio section where delay is occurring.SOLUTION: Network analysis is performed in a system comprising a wired network 5, an access point 3 and a communication device 2 connected with the wired network 5, and a radio communication device 4 for transmitting and receiving packets to and from the communication device 2 via the access point 3. A network analysis method receives packets from the wired network 5, and extracts, from the aggregation of the received packets, a plurality of consecutive packets transmitted by the communication device 2, and reception response packets transmitted by the radio communication device 4 in response to the plurality of consecutive packets. On the basis of the time interval of the plurality of consecutive packets and the time interval of the plurality of reception response packets, the method determines if delay is occurring at radio communication between the radio communication device 4 and the access point 3.
摘要翻译：要解决的问题：使操作者能够有效地识别发生延迟的无线电部分。解决方案：在包括有线网络5，接入点3和与有线网络5连接的通信设备2的系统中执行网络分析以及无线通信装置4，用于经由接入点3向通信装置2发送和接收分组。网络分析方法从有线网络5接收分组，并从接收的分组的聚合中提取多个由通信装置2发送的连续分组，以及响应于多个连续分组由无线通信装置4发送的接收响应分组。基于多个连续分组的时间间隔和多个接收响应分组的时间间隔，该方法确定在无线电通信装置4和接入点3之间的无线电通信中是否发生延迟。

2. 发明专利

JP2013196377A Verification support program, verification support method and verification support device 有权
标题翻译：验证支持程序，验证支持方法和验证支持设备
公开(公告)号：JP2013196377A
公开(公告)日：2013-09-30
申请号：JP2012062777
申请日：2012-03-19
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUGIYAMA TAICHI , AKE TAKESHI , NOMURA YUJI
IPC分类号： G06F11/28
CPC分类号： G06F17/30371
摘要： PROBLEM TO BE SOLVED: To create data for verification for performing the distributed processing of the verification test of a system by a plurality of verification systems.SOLUTION: A verification support device 100 obtains a series of packets to be transmitted/received between the devices of an actual operation system. The verification support device 100 divides the series of acquired packets to create a plurality of packet groups. The verification support device 100 detects the packet group including a specific packet as the issue request of identification information of a transmission source from among the created packet groups. The verification support device 100 adds the specific packet to the head of the following packet group whose transmission order is later than that of the detected packet group among the plurality of packet groups.
摘要翻译：要解决的问题：创建用于由多个验证系统执行对系统的验证测试的分布式处理的验证数据。解决方案：验证支持设备100获得要在以下的设备之间发送/接收的一系列分组：实际操作系统。验证支持设备100将所获取的一系列分组划分成多个分组组。验证支持设备100从创建的分组组中检测包括特定分组的分组，作为发送源的识别信息的发出请求。验证支持装置100将特定分组添加到多个分组组中的发送顺序晚于检测到的分组组的发送顺序的后续分组组的头部。

3. 发明专利

JP2013041341A Test program, testing device and testing method 有权
标题翻译：测试程序，测试设备和测试方法
公开(公告)号：JP2013041341A
公开(公告)日：2013-02-28
申请号：JP2011176348
申请日：2011-08-11
申请人： Fujitsu Ltd , 富士通株式会社
发明人： SUGIYAMA TAICHI , AKE TAKESHI , NOMURA YUJI
IPC分类号： G06F13/00 , G06F11/28 , H04L12/70
CPC分类号： H04L61/2061 , H04L43/50 , H04L61/2557
摘要： PROBLEM TO BE SOLVED: To convert an address of an effective system to an address for verification.SOLUTION: At the outset, a testing device 100 acquires an address block Ab27-0 through an address block Ab27-7 in an address space 101 of an effective system. Subsequently, the testing device 100 calculates a net mask length of 24 bits obtained by subtracting 3 bits from 27 bits on the basis of the number of address blocks acquired, 8, and the net mask length. Then, the testing device 100, in an address space 102 of a verification system, defines an address blocks of which the number of bits is not greater than 24 as the address block of a preliminary verification test and selects an address block Bb24. Subsequent to selection thereof, the testing device 100 transmits a packet in which all addresses of the effective system are converted to addresses of the verification system to a server B for verification.
摘要翻译：要解决的问题：将有效系统的地址转换为地址进行验证。解决方案：首先，测试装置100通过有效系统的地址空间101中的地址块Ab27-7获取地址块Ab27-0。随后，测试装置100基于获取的地址块数8计算出从27比特中减去3比特获得的24比特的净掩码长度和净掩码长度。然后，在验证系统的地址空间102中，测试设备100定义了位数不大于24的地址块作为初步验证测试的地址块，并选择地址块Bb24。在选择之后，测试设备100将有效系统的所有地址的数据包转发到验证系统的地址给服务器B进行验证。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012019505A Abnormality detection device, communication abnormality detection system, communication abnormality detection method, and program 有权
标题翻译：非正常检测装置，通信异常检测系统，通信异常检测方法和程序
公开(公告)号：JP2012019505A
公开(公告)日：2012-01-26
申请号：JP2011059108
申请日：2011-03-17
申请人： Fujitsu Ltd , 富士通株式会社
发明人： AKE TAKESHI , NOMURA YUJI
IPC分类号： H04L12/70 , H04M3/26 , H04M3/28
CPC分类号： H04L43/12 , H04L41/0645 , H04L43/0811
摘要： PROBLEM TO BE SOLVED: To reduce the number of inspection flows.SOLUTION: An abnormality detection device 100 has: a controller that executes a procedure that a relay communication device 20a, which relays two communication devices 20b and 20c, specifies two links connected with the two communication devices 20b and 20c as a link pair, a procedure of specifying inspection devices of the number obtained by adding one to N (N is an integer equal to or more than one), which is the number of links where communication abnormalities occur simultaneously, from a plurality of inspection devices 200a-200c and 200d-200f respectively under the two links, and decides (N+1) inspection flows F11-F13 for (N+1) inspection device pairs, and a procedure of generating inspection target information including the decided inspection flows; a storage part that stores the inspection target information; and a communication part that transmits the inspection target information to one of the inspection device pair.
摘要翻译：要解决的问题：减少检查流量。异常检测装置100具有：控制器，其执行将两个通信装置20b和20c中继的中继通信装置20a指定为与两个通信装置20b和20c连接的两个链路作为链路对的过程从多个检查装置200a〜200c中指定通过对来自同时发生通信异常的链路数的N（N为1以上的整数）的N（N为1以上的整数）和200d-200f，并且确定（N + 1）个检查装置对的（N + 1）检查流程F11-F13，以及生成包括决定的检查流程的检查对象信息的步骤; 存储检查对象信息的存储部; 以及将检查对象信息发送到检查装置对之一的通信部。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011154491A Program, device, and method for managing information 有权
标题翻译：程序，设备和信息管理方法
公开(公告)号：JP2011154491A
公开(公告)日：2011-08-11
申请号：JP2010014853
申请日：2010-01-26
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MATSUDA YUICHI , NOMURA YUJI
IPC分类号： G06F11/34
CPC分类号： H04L41/069 , G06F11/079 , H04L41/0622
摘要： PROBLEM TO BE SOLVED: To provide an information management program, an information management device, and an information management method which efficiently reduce an amount of information to be saved. SOLUTION: In a combination äVM#1, X_Web}, it is assumed that an event E1 occurs at time T1 at VM#1, and an event E2 occurs at time T2 at X_Web. In a Fig.(A), events E1 and E2 are determined to have a dependence relation with a fault, since the difference ¾T2-T1¾≤Ts becomes. In Fig.(B), the events E1 and E2 are determined to have no dependence relation with the fault, since the difference ¾T2-T1¾>Ts becomes. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供有效减少要保存的信息量的信息管理程序，信息管理装置和信息管理方法。
解决方案：在组合äVM＃1，X_Web}中，假设在VM＃1处的时间T1发生事件E1，并且在X_Web处的时间T2发生事件E2。在图（A）中，事件E1和E2被确定为具有与故障的依赖关系，因为差值¾T2-T1¾≤Ts变为。在图（B）中，事件E1和E2被确定为与故障没有依赖关系，因为差值¾T2-T1¾> Ts变为。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2011130351A Network group determination device, network group determination method, and network group determination program 有权
标题翻译：网络组确定设备，网络组确定方法和网络组确定程序
公开(公告)号：JP2011130351A
公开(公告)日：2011-06-30
申请号：JP2009289266
申请日：2009-12-21
申请人： Fujitsu Ltd , 富士通株式会社
发明人： AKE TAKESHI , KIKUCHI SHUNSUKE , NOMURA YUJI
IPC分类号： H04L12/24 , H04L12/70 , H04M3/08
CPC分类号： H04L43/0864 , H04L41/12
摘要： PROBLEM TO BE SOLVED: To provide a network group determination device, a network group determination method and a network group determination program, capable of determining an area to which a network group belongs on the basis of information available from a relay node on an area boundary. SOLUTION: The network group determination device includes: an acquisition section for acquiring first communication information indicating a communication state between a first relay device on a network and a specific network group on the network, and second communication information indicating a communication state between a second relay device on the network and the network group; a comparison section for comparing the difference between the first communication information and the second communication information to third communication information between the first relay device and the second relay device; and a determination section for determining the position of the network group with respect to the first relay device and the second relay device in response to a result of comparison in the comparing section. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够基于从中继节点获得的信息来确定网络组所属的区域的网络组确定装置，网络组确定方法和网络组确定程序区域边界。解决方案：网络组确定装置包括：获取部分，用于获取指示网络上的第一中继设备和网络上的特定网络组之间的通信状态的第一通信信息;以及第二通信信息，网络上的第二中继设备和网络组; 比较部，用于将第一通信信息和第二通信信息之间的差与第一中继装置和第二中继装置之间的第三通信信息进行比较; 以及确定部分，用于响应于比较部分中的比较结果来确定网络组相对于第一中继设备和第二中继设备的位置。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010109499A Packet capturing apparatus 有权
标题翻译： PACKET CAPTURING APPARATUS
公开(公告)号：JP2010109499A
公开(公告)日：2010-05-13
申请号：JP2008277472
申请日：2008-10-28
申请人： Fujitsu Ltd , 富士通株式会社
发明人： NOMURA YUJI , AKE TAKESHI
IPC分类号： H04L12/70 , H04L1/20 , H04L29/14
CPC分类号： H04L43/0852 , H04L43/0829
摘要： PROBLEM TO BE SOLVED: To perform discrimination whether packet delay cause is due to a simple delay or caused by retransmission carried out because of a loss. SOLUTION: The apparatus compares a next sequence number that is a sequence number which the present packet should have and a sequence number of the present packet, compares an identifier of a preceding packet and an identifier of the present packet, when the next sequence number agrees with a sequence number of the present packet, and the identifier of the preceding packet continues to the identifier of the present packet, it discriminates the delay as a simple delay, and when the identifier of the preceding packet does not continue to the identifier of the present packet, it discriminates the delay as a delay by retransmission. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：执行分组延迟原因是由于简单的延迟或由于丢失导致的重传导致的判别。解决方案：该装置比较当前分组应该具有的序列号和当前分组的序列号的下一个序列号，比较当前分组的标识符和当前分组的标识符，当下一个序号序列号与本分组的序列号一致，前一分组的标识符继续到本分组的标识符，将延迟鉴别为简单的延迟，并且当前一分组的标识符不继续到本分组的标识符，通过重传将延迟识别为延迟。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009303089A Delay time measuring instrument, delay time measuring program, and delay time measuring method 有权
标题翻译：延迟时间测量仪器，延迟时间测量程序和延迟时间测量方法
公开(公告)号：JP2009303089A
公开(公告)日：2009-12-24
申请号：JP2008157393
申请日：2008-06-17
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MATSUDA YUICHI , NOMURA YUJI
IPC分类号： H04L12/70 , H04L29/14
CPC分类号： H04L43/0864 , H04L43/106
摘要： PROBLEM TO BE SOLVED: To calculate a delay time by selecting only ACK that does not contain "Delayed ACK". SOLUTION: Sequence numbers, data lengths and receiving times of data packets to be sent from a transmission source device 2 to a destination device 3 are stored in a storage means 1b. Furthermore, ACK numbers and receiving times of ACK packets to be returned from the destination device 3 to the transmission source device 2 are stored in the storage means 1b. Thereafter, an ACK packet, whose ACK number becomes a value obtained by adding a data length to the sequence number of the second data packet in continuous data packets transmitted without waiting ACK, is detected from the storage means 1b by a calculation means 1c. A round trip time is then calculated by the calculation means 1c from the receiving time of the continuous second data packet and the receiving time of the detected ACK packet. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过仅选择不包含“延迟ACK”的ACK来计算延迟时间。解决方案：从发送源设备2发送到目的地设备3的数据分组的序列号，数据长度和接收时间被存储在存储装置1b中。此外，从目的地装置3向发送源装置2返回的ACK数据包的ACK号码和接收时间存储在存储装置1b中。此后，通过计算单元1c从存储单元1b检测ACK数字成为通过在不等待ACK发送的连续数据分组中将数据长度加到第二数据分组的序列号而获得的值。然后由计算装置1c从连续的第二数据分组的接收时间和检测到的ACK分组的接收时间计算往返时间。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009182430A Packet analysis method 有权
标题翻译：分组分析方法
公开(公告)号：JP2009182430A
公开(公告)日：2009-08-13
申请号：JP2008017906
申请日：2008-01-29
申请人： Fujitsu Ltd , 富士通株式会社
发明人： NOMURA YUJI , AKE TAKESHI
IPC分类号： H04L12/70
CPC分类号： H04L43/0829
摘要： PROBLEM TO BE SOLVED: To accurately identify whether a packet is resent after a packet loss, or reordering occurs in a network to change the arrival order, in analyzing the sequence of a protocol having a resending procedure. SOLUTION: A packet analysis method for analyzing a content of communication obtained as a result of monitoring or capturing a packet passing through a network includes: a procedure of acquiring source or destination address information from a network layer packet header; a procedure of acquiring from the network layer packet header an identifier for which a value that is increased monotonously at each sending for each source or destination address information is set; a procedure of searching for and acquiring an identifier corresponding to address information in a current packet from a storage part holding an identifier in a previous packet corresponding to source or destination address information; and a procedure of comparing the identifier in the previous packet acquired by the identifier in the current packet and determining that reordering occurs when the identifier in the current packet is smaller. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在分析具有重新发送过程的协议的顺序时，准确地识别分组丢失之后分组是否重新发送，或者在网络中发生重新排序以改变到达顺序。解决方案：用于分析作为监视或捕获通过网络的分组的结果而获得的通信内容的分组分析方法包括：从网络层分组报头获取源或目的地地址信息的过程; 从网络层获取分组报头的步骤，设置对于每个源或目的地地址信息在每次发送时单调增加的值的标识符; 搜索和获取对应于当前分组中的地址信息的标识符从存储对应于源或目的地址信息的先前分组中的标识符的存储部分获取的过程; 以及将当前分组中的标识符获取的先前分组中的标识符进行比较并确定当当前分组中的标识符较小时发生重新排序的过程。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2007208328A Method, system and apparatus for determining communication state 有权
标题翻译：用于确定通信状态的方法，系统和装置
公开(公告)号：JP2007208328A
公开(公告)日：2007-08-16
申请号：JP2006021477
申请日：2006-01-30
申请人： Fujitsu Ltd , 富士通株式会社
发明人： MIYAZAKI HIDEAKI , MORINAGA MASANOBU , FUKUYAMA NORIYUKI , NOMURA YUJI
IPC分类号： H04L12/70
CPC分类号： H04L47/10 , H04L41/0681 , H04L43/0811 , H04L43/0829 , H04L43/0852 , H04L43/106 , H04L43/50
摘要： PROBLEM TO BE SOLVED: To provide a method, system and apparatus for determining a communication state in communication carried out via a plurality of communication networks without the need for installing a particular apparatus to all the communication networks and increasing existing traffic. SOLUTION: The method determines whether a packet passing through a second communication network 200 is a packet transmitted from a first connection apparatus 1 to the second communication network 200 in a first communication network 100 and the second communication network 200 connected by the first connection apparatus 1 such as a router, discriminates whether a transmission source of the packet is the first connection apparatus 1 or other apparatus than the first connection apparatus 1 when the packet is determined to be transmitted from the first connection apparatus 1, respectively sums packets whose transmission source is discriminated to be the first connection apparatus 1 and packets whose transmission source is the other apparatus than the first connection apparatus 1, and compares results of the summation to determine the communication state of the first and second communication networks 100, 200. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于确定通过多个通信网络执行的通信中的通信状态的方法，系统和装置，而不需要将特定装置安装到所有通信网络并增加现有业务。解决方案：该方法确定通过第二通信网络200的分组是否是在第一通信网络100中从第一连接装置1发送到第二通信网络200的分组，以及通过第一通信网络连接的第二通信网络200 诸如路由器之类的连接装置1当确定从第一连接装置1发送分组时，判断该分组的传输源是第一连接装置1还是与第一连接装置1相同的其它装置，分别对从发送源被鉴别为第一连接装置1和其发送源是与第一连接装置1相反的其他装置的分组，并且比较求和的结果以确定第一和第二通信网络100,200的通信状态。 P>版权所有（C）2007，JPO＆INPIT

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