WO2002061584A1 - Systeme d'exploitation, systeme d'exploitation de niveau plus eleve, et systeme de transmission - Google Patents

Systeme d'exploitation, systeme d'exploitation de niveau plus eleve, et systeme de transmission Download PDF

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Publication number
WO2002061584A1
WO2002061584A1 PCT/JP2001/000674 JP0100674W WO02061584A1 WO 2002061584 A1 WO2002061584 A1 WO 2002061584A1 JP 0100674 W JP0100674 W JP 0100674W WO 02061584 A1 WO02061584 A1 WO 02061584A1
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WO
WIPO (PCT)
Prior art keywords
performance information
unit
operations system
information collection
transmission device
Prior art date
Application number
PCT/JP2001/000674
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English (en)
Japanese (ja)
Inventor
Masahiko Aizawa
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to JP2002561688A priority Critical patent/JPWO2002061584A1/ja
Priority to PCT/JP2001/000674 priority patent/WO2002061584A1/fr
Publication of WO2002061584A1 publication Critical patent/WO2002061584A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3466—Performance evaluation by tracing or monitoring
    • G06F11/3495—Performance evaluation by tracing or monitoring for systems

Definitions

  • the present invention relates to an operations system for collecting performance information of a transmission device connected to a monitoring network, a higher-level operations system for collecting performance information collected by the operations system, and a performance control system for an operation system. It relates to a transmission device for transmitting information.
  • NE network element
  • OS network management device: operations system
  • FIG. 1 is a block diagram showing the configuration of a conventional operations system, higher-level operations system and transmission apparatus.
  • 10 is a higher-level OS that collects performance information of the transmission devices 30, 31, and 32 collected by ⁇ S 20, and 20 is transmission devices 30, 31, and 32.
  • a transmission device (NE-C), 50 is a monitoring network such as a high-order 0S10, multiple 0S20, and a LAN connecting multiple transmission devices 30, 31, and 32. is there.
  • reference numeral 101 denotes a communication processing unit for performing information communication processing
  • reference numeral 102 denotes a performance information collection unit for collecting performance information collected by the OS 20
  • Reference numeral 103 denotes a performance information storage unit that stores the performance information collected by the performance information collection unit 102.
  • reference numeral 0 S 20 denotes a communication processing unit that performs information communication processing
  • reference numeral 112 denotes a NE that collects performance information from the transmission device (NE—A) 30.
  • a performance information collection unit, 113 is a NE-B performance information collection unit that collects performance information from the transmission equipment (NE-B) 31
  • 114 is a transmission information (NE-C) 32 NE-C performance information collection section, which collects performance information for NE-C, 1-15, NE-A performance information collection section 112, NE-B performance information collection section 113, NE-C performance information collection section
  • the performance information storage unit stores the performance information collected by the units 114.
  • reference numeral 131 denotes a communication processing unit for performing information communication processing
  • reference numeral 132 denotes a performance information collection unit for collecting performance information such as a traffic amount of data.
  • the transmission devices 31 and 32 are also configured in the same manner as the transmission device 30.
  • FIG. 2 is a sequence diagram showing processing of the conventional operations system, higher-level operations system, and transmission apparatus.
  • the performance information collecting unit 132 of the transmission devices 30, 31, and 32 transmits the traffic volume of the data in each of the transmission devices 30, 31, and 32 in one night. And other performance information at the same time, and collectively transmit the collected performance information to 0S20 using the communication processing unit 131.
  • the communication processing unit 111 of 0S20 receives the performance information from the transmission devices 30, 31 and 32, and the NE-A performance information collection unit 112 and NE-1 B performance information collection unit 1 13 and NE-C performance information collection unit 1 14 The performance information is decoded and stored in the performance information storage unit 115.
  • step ST5 the performance information collection unit 102 of the higher order 0S10 uses the communication processing unit 101 to transmit a request for acquisition of performance information in 0S20.
  • step ST6 0S20 transmits the performance information stored in the performance information storage unit 115 to the upper order 0S10 using the communication processing unit 111.
  • step ST7 the performance information collection unit 102 of the higher order 0S10 stores the performance information received from 0S20 in the performance information storage unit 103.
  • step ST1 The processing from step ST1 to step ST7 is repeated at predetermined intervals.
  • the performance information is collected for each transmission line accommodated by each of the transmission devices 30, 31, and 32, when the number of communication transmission lines between the transmission devices 30, 31, and 32 increases, the performance information is collected. Since the number of collection points increases, the amount of performance information in the monitoring network 50 between 0S 20 and each of the transmission devices 30, 31 and 32 increases. Further, even if the number of transmission devices accommodated by 0S20 increases, the data amount of performance information increases.
  • the present invention has been made to solve the above-described problems, and is an operation systems capable of reducing the load on 0S20 and reducing the load on the monitoring network 50.
  • the purpose is to obtain an operation systems and transmission equipment. Disclosure of the invention
  • An operations system which collects performance information of a plurality of transmission devices connected to a monitoring network, transmits a performance information acquisition request to each of the transmission devices in a predetermined period and transmits the performance information.
  • a performance information collection unit for each of the transmission devices that collects the performance information a performance information storage unit for storing the performance information collected by the performance information collection unit for each of the transmission devices, and the performance of the operation system.
  • the load of information collection is high, the information of other operations systems with low performance information collection load is acquired from the higher-level operations system connected to the monitoring network, and the above transmission equipment is supported.
  • a performance information collection function management unit that moves a part of the performance information collection unit to another operation systems.
  • the operations system monitors the disk capacity of the disk accommodated in the performance information storage unit, and detects that the performance information collection load of the operations system is high when the disk capacity is reduced. It has a disk capacity monitoring unit.
  • the operations system monitors the load on the CPU mounted on the operations system, and detects that the performance information collection load on the operations system is high when the CPU load becomes high. It has a load monitoring unit.
  • the operations system monitors whether the performance information collection unit corresponding to each transmission device transmits a performance information acquisition request to each transmission device at a predetermined cycle, and transmits the performance information to each transmission device at a predetermined cycle. It is equipped with a readout monitoring unit that detects that the performance information collection load of the operation system is high when the acquisition request is not transmitted.
  • An upper-level operations system is a system for collecting collected performance information from a plurality of operation systems for collecting performance information of a plurality of transmission devices connected to a monitoring network, wherein the collected performance information is collected at a predetermined cycle.
  • a performance information collection unit that sends a performance information acquisition request to the operations system to collect performance information, a performance information storage unit that stores the performance information collected by the performance information collection unit, and an IP of each of the above-mentioned operation systems. It is provided with an operations system for storing the correspondence between the address and the IP address of the transmission device for which the above-mentioned operation systems are currently collecting performance information—the transmission device correspondence data storage unit.
  • a transmission device receives a performance information acquisition request at predetermined intervals from one of a plurality of operations systems connected to a monitoring network, and collects the performance information.
  • the transmitting device includes a performance information collection unit that collects performance information, and an address storage unit that stores the IP addresses of the plurality of operation systems, and the operation requesting performance information is performed.
  • the performance information collection load of the It reads the IP address of the other operations system, notifies the other operations system that the load of the operations system is high, and receives a performance information acquisition request from the other operations system.
  • the transmission device monitors whether or not a performance information acquisition request is received at a predetermined cycle from the operations system, and when the performance information acquisition request is not received at a predetermined cycle, the performance information of the operations system. It has a readout monitoring unit that detects that the collection load is high.
  • the transmission apparatus monitors a disk capacity of a mounted disk and, when the disk capacity becomes small, a disk capacity monitoring unit that detects that a load of performance information collection of the operation system is high. It is provided.
  • FIG. 1 is a block diagram showing a configuration of a conventional operations system, a higher-level operations system, and a transmission device.
  • FIG. 2 is a sequence diagram showing processing of the conventional operations system, higher-level operations system, and transmission device.
  • FIG. 3 is a block diagram showing a configuration of an operations system, a higher-level operations system, and a transmission device according to Embodiment 1 of the present invention.
  • FIG. 4 is a sequence diagram showing processing of the operations system, the higher-level operations system, and the transmission device according to the first embodiment of the present invention.
  • FIG. 5 is a block diagram showing a configuration of an operations system, a higher-level operations system, and a transmission device according to a second embodiment of the present invention.
  • FIG. 6 is a block diagram showing a configuration of an operations system, a higher-order operations system, and a transmission apparatus according to Embodiment 3 of the present invention.
  • FIG. 7 is a block diagram showing a configuration of an operations system, a higher-level operations system, and a transmission device according to a fourth embodiment of the present invention.
  • FIG. 8 is a sequence diagram showing processing of the operations system, the higher-order operations system, and the transmission device according to the fourth embodiment of the present invention.
  • FIG. 9 is a block diagram showing a configuration of an operations system, a higher-order operations system, and a transmission device according to a fifth embodiment of the present invention.
  • FIG. 3 is a block diagram showing a configuration of an operations system, a higher-level operations system, and a transmission device according to Embodiment 1 of the present invention.
  • 10 is the upper 0S (upper operation system) which collects the performance information of the transmission devices 30, 31 and 32 collected by OS-A20 and QS-B21.
  • Reference numeral 20 denotes an OS—A (operations system) for collecting performance information of the transmission devices 30, 31, and 32, and 21 denotes collection of performance information for the transmission devices 30, 31, and 32.
  • the transmission equipment (NE-A) 30, the transmission equipment (NE-B) 31, and the transmission equipment (NE-C) 32 are the same as those shown in Fig. 1. is there.
  • the upper 0S10, OS-A20, OS-B21, and the transmission devices 30, 31, 31 and 32 are connected by a monitoring network 50 such as a LAN.
  • 104 is ⁇ 3 ⁇ 20, 0 S-B 21 IP (Internet Protocol) address and each OS—A 20, 0 S—B 21
  • IP Internet Protocol
  • 0 S—NE-compatible data storage unit (Operations system—Transmission device-compatible data)
  • the communication processing unit 101, the performance information collection unit 102, and the performance information storage unit 103 are the same as those shown in Fig. 1 of the related art.
  • 1 16 is used to generate or delete a performance information collection unit that collects performance information from each of the transmission devices 30, 31, and 32.
  • the performance information collection function management unit that moves the information collection function.
  • Reference numeral 117 denotes a disk capacity monitoring unit that monitors the disk capacity of the disk accommodated in the performance information storage unit 115.
  • the communication processing unit 111, NE — A sex Performance information collection unit 1 1 2 (performance information collection unit for each transmission device), NE-B performance information collection unit 1 1 3 (performance information collection unit for each transmission device), NE-C performance information collection unit 1 14 (performance information collection unit corresponding to each transmission device) and performance information storage unit 115 are equivalent to those shown in FIG.
  • the OS-B 21 in FIG. 3 has no NE-A performance information collection unit 112 and NE-;
  • the configuration is the same as that of 0S-A20 except that there is a C performance information collection unit 114.
  • NE-C performance information collection unit 114 is located in 0S-A20, but operation is performed. Later, the NE-C performance information collection unit 114 moved to 0S-B21.
  • the communication processing unit 131, and the performance information collection unit 132 are the same as those shown in FIG. Are similarly configured.
  • FIG. 4 is a sequence diagram showing processing of the operation system, the higher-order operation system, and the transmission device according to the first embodiment of the present invention.
  • the number of transmission paths for communication between the transmission devices 30, 31 and 32 increases, the data amount of the performance information collected by 0S-A20 also increases. Therefore, the disk capacity of the disk accommodated in the performance information storage unit 115 decreases. Decreasing the disk capacity means that the processing of OS-A 20 takes time and the load increases.
  • step ST 11 the disk capacity monitoring unit 117 of OS-A 20 detects that the disk capacity of the performance information storage unit 115 has become small, and thereby the OS-A 20 Detects high load.
  • step ST 12 the performance information collection function management unit 1 16 of 0 S — A 20 uses the communication processing unit 1 1 1 to indicate 0 S of the upper 0 S 10 that is currently lightly loaded. Send a request to acquire the reserved 0S information.
  • step ST 13 when the upper OS 10 receives the request to acquire the spare 0 S information from ⁇ S—A 20, the performance information collection unit 102 sends the OS—NE compatible data storage unit 10 Referring to '4, obtain the spare 0S information indicating S—B21 with a light load, and transmit it to 0S—A20.
  • step ST 14 the performance information collection function management unit 116 of 0 S—A 20 sends the NE—C performance information collection unit 1 1 1 to OS—B 21 based on the acquired spare OS information. 4 sends a performance information collection function move request requesting that OS-4 move from OS-A20 to OS-B21.
  • step ST 15 when 0 S—B 21 receives the move request of the performance information collection function, the performance information collection function management section 16 of 0 S—B 21 sends the NE—C performance information collection section 1 14 Create 4.
  • step ST 16 when OS—A 20 receives the response from the OS—B 21 that the creation of the NE—C performance information collection unit 1 14 has been completed, it collects the performance information of 0 S—A 20.
  • the function management unit 116 is within 03-820. — The C performance information collection unit 114 is deleted.
  • step ST17 the performance information collection function management section 116 of 0S-A20 moves the NE-C performance information collection section 114 from OS-A20 to OS-B21.
  • step ST18 the performance information collection unit 102 of the higher order 0S10 updates the 0S-NE correspondence data stored in the OS-NE correspondence data storage unit 104. That is, 0S—NE compatible data storage section 104 stores corresponding data indicating that OS—B 21 is collecting performance information from transmission apparatus 32.
  • the NE—A performance information collection unit 112 of OS A 20 uses the communication processing unit 111 to send the performance information to the transmission device 30.
  • step ST20 the transmission device 30 collects performance information using the performance information collection unit 132, and transmits the collected performance information using the communication processing unit 131.
  • step ST21 the NE-A performance information collection unit 112 of OS-A20 stores the received performance information from the transmission device 30 in the performance information storage unit 115.
  • the NE-B performance information collection unit 113 of the OS-A 20 uses the communication processing unit 111 to transmit the performance information to the transmission device 31. Send an acquisition request.
  • the transmission device 31 collects performance information using the performance information collection unit 132, and transmits the collected performance information using the communication processing unit 1331.
  • the NE-B performance information collection unit 113 of OS-A20 stores the received performance information from the transmission device 31 in the performance information storage unit 115.
  • the NE-C performance information collection unit 114 of OS-B 21 uses the communication processing unit 111 to transmit the performance information to the transmission device 32. Send an acquisition request.
  • the transmission device 32 collects the performance information using the performance information collection unit 132, and transmits the collected performance information using the communication processing unit 131.
  • the NE-C performance information collection unit 114 of OS-B21 stores the received performance information from the transmission device 32 in the performance information storage unit 115.
  • the upper 0 S 10 performance information collection unit 102 uses the communication processing unit 101 to 0 Sends a performance information acquisition request to S-A20.
  • the read cycle of the upper 0S10 is longer than the read cycle of OS-A20, 0S-B21.
  • the OS-A 20 retrieves the performance information stored in the performance information storage unit 115, and transmits the retrieved performance information using the communication processing unit 111.
  • the performance information processing unit 102 of the higher order 0S10 stores the received performance information from ⁇ S-A20 in the performance information storage unit 103.
  • step ST31 the performance information collection unit 102 of the upper layer S10 uses the communication processing unit 101 to transmit a performance information acquisition request to 0S-B21. I do.
  • step ST32 0S-B21 retrieves the performance information stored in the performance information storage unit 115, and transmits the retrieved performance information using the communication processing unit 111.
  • step ST33 the performance information processing unit 102 of the higher order 0S10 stores the received performance information from 0S-B21 in the performance information storage unit 103.
  • a request for acquiring performance information is transmitted from OS_A 20, 0 S-B 21 to transmission devices 30, 31, 32.
  • the transmission devices 30, 31, and 32 can collect the performance information and simultaneously transmit the information to the monitoring network 50 in bursts as in the past. As a result, the load on the monitoring network 50 can be reduced.
  • FIG. 5 is a block diagram showing a configuration of an operations system, a higher-order operations system, and a transmission device according to a second embodiment of the present invention.
  • a CPU load monitoring unit 118 that monitors the load of each installed CPU is added to 0 S—B 21.
  • the disk capacity monitoring unit 1 17 monitors the disk capacity of the performance information storage unit 1 15, and the disk capacity decreases.
  • the performance information collection function was moved when the load on 20 became high.
  • a CPU load monitoring unit 118 was provided in conjunction with or as a replacement for this disk capacity monitoring unit 117.
  • the CPU load monitoring unit 118 monitors the load of the CPU mounted on the 0S-A20, and moves the performance information collection function when the load increases.
  • Embodiment 3 As described above, according to the second embodiment, the same effect as in the first embodiment can be obtained. Embodiment 3.
  • FIG. 6 is a block diagram showing the configuration of an operations system, a higher-order operations system, and a transmission device according to Embodiment 3 of the present invention.
  • NE—A performance information collection unit 112 At predetermined intervals, NE—B performance information collection unit 113, and NE—C performance information collection unit 114 3 0, 3 1,
  • a read monitoring unit 1 19 that monitors whether a performance information acquisition request is transmitted is added to 32.
  • the disk capacity monitoring unit 1 17 monitors the disk capacity of the performance information storage unit 1 15, and the disk capacity decreases.
  • the performance information collection function was moved when the load on 20 increased.However, in the third embodiment, the read monitoring unit 1 19 was used together with or replaced with the disk capacity monitoring unit 117. The performance information collection function is moved when the load on 0S-A20 and 0S-B21 increases according to the monitoring result of the readout monitoring unit 119.
  • a readout monitoring unit 119 is added to the first embodiment shown in FIG. 3, but the readout monitoring unit 119 is added to the second embodiment shown in FIG. May be added.
  • Embodiment 4 As described above, according to the third embodiment, the same effect as in the first embodiment can be obtained. Embodiment 4.
  • FIG. 5 is a block diagram showing a configuration of an operations system, a higher-level operations system, and a transmission device according to a fourth embodiment of the present invention.
  • 10 is the upper 0S
  • 20 is OS-A
  • 21 is OS-B
  • 30, 31 and 32 are the transmission equipment (NE_A) and the transmission equipment (NE-B ), Transmission equipment (NE-C).
  • NE_A transmission equipment
  • NE-B Transmission equipment
  • a monitoring network 50 such as a LAN.
  • communication processing unit 111 In OS-A20 in Fig. 7, communication processing unit 111, NE-A performance information collection unit 112, NE-B performance information collection unit 113, performance information storage unit 115, performance
  • the information collection function management unit 116 is the same as that shown in FIG. 3 of the first embodiment, and the disk capacity monitoring unit 117 of the first embodiment is deleted.
  • the communication processing unit 111, the performance information storage unit 115, and the performance information collection function management unit 116 are the same as those shown in FIG. 3 of the first embodiment.
  • the NE-C performance information collection unit 114 and the disk capacity monitoring unit 117 of the first embodiment are deleted, and the NE-A performance information collection unit 112 is added. Note that the configuration of 0 S—: B 21 is in a state after operation, and initially has no NE—A performance information collection unit 112, and is added after operation.
  • 133 is an address storage unit that stores the IP addresses of 0S-A 20 and OS-B 21, and 134 is the address storage unit.
  • a read monitoring unit that monitors whether a performance information acquisition request is received from 0 S—A 20 or 0 S—B 21 at a predetermined cycle.
  • Communication processing unit 13 1 Performance information collection
  • the part 132 is equivalent to that shown in FIG. 3 of the first embodiment.
  • FIG. 8 is a sequence diagram showing processing of an operations system, a higher-level operations system, and a transmission device according to Embodiment 4 of the present invention.
  • the read monitoring unit 134 of the transmission device 30 receives a performance information acquisition request from 0S-A20 at a predetermined cycle. If the read time has passed, it is determined that the load of 0 S—A 20 is high or that OS-A 20 is out of order.
  • step ST42 the read monitoring unit 134 of the transmission device 30 stores the IP address of the spare 0S other than OS-A20, here, the IP address of 0S-B211, from the address storage unit 133.
  • the spare 0S 0S-B21 is notified that there is no performance information acquisition request from 0S-A20 in a predetermined cycle.
  • step ST43 when 0S-B21 receives the notification, the performance information collection function management unit 116 generates the NE-A performance information collection unit 112.
  • step ST44 the NE-A performance information collection unit 112 of OS-B21 transmits a performance information acquisition request to the transmission device 30 using the communication processing unit 111.
  • step ST45 the performance information collecting unit 132 of the transmission device 30 collects the performance information, and transmits the collected performance information using the communication processing unit 1331.
  • step ST46 the performance information received by 0S-B21 is stored in the performance information storage unit 115.
  • step ST47 OS-B21 notifies that the performance information of the transmission device 30 has been stored in the higher order 0S10.
  • step ST48 when the higher order 0S10 receives the notification, the performance information collection unit 102 transmits a performance information acquisition request to 0S-B211, using the communication processing unit 101. You.
  • step ST49 OSB 21 retrieves the performance information from the performance information storage unit 115 and transmits the performance information using the communication processing unit 111.
  • step ST50 the performance information collection unit 102 of the higher order 0S10 stores the received performance information in the performance information storage unit 103.
  • the transmission device 30 when the transmission device 30 does not receive the performance information acquisition request from the OS-A 20 in a predetermined cycle, the load of 0 S-A 20 Is high, or 0 S—A 20 is faulty.
  • the operating system OS—B 21 that there is no performance information acquisition request from the OS—A 20
  • the same effect as in the first embodiment can be obtained, and furthermore, the OS—
  • the higher-order 0S10 can collect performance information, so that it is possible to take measures when a failure occurs.
  • FIG. 9 is a block diagram showing a configuration of an operations system, a higher-order operations system, and a transmission device according to a fifth embodiment of the present invention.
  • the transmission devices 30, 31, and 31 shown in FIG. In addition to 32, a disk capacity monitoring unit 135 that monitors the disk capacity of the disks to be stored is added.
  • the read monitoring unit 1334 monitors the performance information acquisition request from the OS-A 20 or 0 S-B 21.
  • the read monitoring unit 13 In combination with or in place of 1 3 4, the disk capacity monitoring unit 1 3 5 detects that the disk capacity has decreased, and notifies the spare OS that there is no performance information acquisition request.
  • the operations system according to the present invention
  • the operations system and the transmission device are suitable for distributed processing of other operations systems when the load of the operations system that collects performance information from the transmission device is high.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

L'invention concerne un système d'exploitation (OS-A) (20) comprenant une unité de collecte (112) d'informations de performance NE-A; une unité de collecte (113) d'informations de performance NE-B; une unité de collecte (114) d'informations de performance NE-C qui transmet, au niveau d'un cycle spécifié, une demande d'acquisition d'informations de performance à des dispositifs de transmission (30, 31, 32) et collecte des informations de performance; une unité de stockage (115) d'informations de performance destinée à stocker les informations de performance collectées; et une unité de commande de fonction de collecte d'informations de performance qui permet, lorsque le OS-A (20) est soumis à une charge de collecte d'informations à performance élevée, de connecter un OS (10) de niveau élevé à un réseau de surveillance (50) afin acquérir des informations dans un OS-B (21) soumis une faible charge de collecte d'informations de performance et de déplacer l'unité de collecte (114) d'informations de performance NE-C vers le OS-B (21).
PCT/JP2001/000674 2001-01-31 2001-01-31 Systeme d'exploitation, systeme d'exploitation de niveau plus eleve, et systeme de transmission WO2002061584A1 (fr)

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JP2002561688A JPWO2002061584A1 (ja) 2001-01-31 2001-01-31 オペレーションズシステム、上位オペレーションズシステム及び伝送装置
PCT/JP2001/000674 WO2002061584A1 (fr) 2001-01-31 2001-01-31 Systeme d'exploitation, systeme d'exploitation de niveau plus eleve, et systeme de transmission

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JP2007115093A (ja) * 2005-10-21 2007-05-10 Hitachi Ltd 性能情報収集方法及び計算機システム
JP2012169831A (ja) * 2011-02-14 2012-09-06 Fujitsu Ltd トラフィックデータの監視システムおよびサーバ間データ整合方法

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JP2012169831A (ja) * 2011-02-14 2012-09-06 Fujitsu Ltd トラフィックデータの監視システムおよびサーバ間データ整合方法

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