WO2021171521A1 - 管理装置、選定方法、及びプログラム - Google Patents

管理装置、選定方法、及びプログラム Download PDF

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Publication number
WO2021171521A1
WO2021171521A1 PCT/JP2020/008167 JP2020008167W WO2021171521A1 WO 2021171521 A1 WO2021171521 A1 WO 2021171521A1 JP 2020008167 W JP2020008167 W JP 2020008167W WO 2021171521 A1 WO2021171521 A1 WO 2021171521A1
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WO
WIPO (PCT)
Prior art keywords
mec
delay amount
client terminals
group
network
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2020/008167
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English (en)
French (fr)
Japanese (ja)
Inventor
佐藤　卓哉
智広 岡田
孝幸 中村
俊介 本間
光男 天坂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2022502744A priority Critical patent/JP7380827B2/ja
Priority to PCT/JP2020/008167 priority patent/WO2021171521A1/ja
Priority to US17/802,304 priority patent/US11985034B2/en
Publication of WO2021171521A1 publication Critical patent/WO2021171521A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network

Definitions

  • the present invention relates to a technique for selecting a MEC device accessed by a plurality of client terminals.
  • MEC Multi-access Edge Computing
  • a server that provides the application is provided in order to realize communication with low delay. It is conceivable that it is installed on one MEC device in the network and a plurality of client terminals access the server on the MEC device.
  • the present invention has been made in view of the above points, and provides a technique capable of selecting a MEC device accessed by a plurality of client terminals in consideration of a delay amount in the plurality of client terminals. The purpose.
  • it is a management device that selects a MEC device to be accessed by a plurality of client terminals constituting a group from among the MEC devices arranged at a plurality of locations. From the database that stores the configuration information, the client terminals that belong to the specified group, the network device that directly accommodates the client terminals, the network device between the network devices, and the MEC device that is a candidate for selection are extracted. Extraction means and The first delay amount, which is the delay amount between each network device and each MEC device that directly accommodates the client terminals belonging to the group, and each network device and each client terminal that directly accommodates the client terminals belonging to the group.
  • a management device including a selection means for selecting a MEC device to be accessed by a plurality of client terminals constituting the group is provided by using a second delay amount which is a delay amount between the two and the above.
  • a technology that enables selection of a MEC device accessed by a plurality of client terminals in consideration of the amount of delay in the plurality of client terminals is provided.
  • the server can be installed by selecting from the multiple candidate sites. Since the distance between the MEC device and each client terminal changes according to the selected MEC device, the amount of communication delay also changes.
  • the overall performance and the user's experience quality are not determined by the simple magnitude of the delay amount in a single client terminal, but according to the balance of the delay amount of a plurality of client terminals. Is affected. Therefore, it is necessary to determine the comprehensive placement location based on a plurality of delay amounts for each client terminal. Examples of the comprehensive judgment include the following Examples 1 and 2.
  • Example 1 In an application that synchronizes information between all client terminals (for example, an online game that synchronizes information between all users), the application adapts to the progress of the client terminal that has the largest delay. The whole thing goes on. Therefore, the performance and the quality of experience when executing the application change depending on the amount of delay of the client terminal having the largest delay among the plurality of client terminals. Therefore, the MEC device at the arrangement location that minimizes the delay amount of the client terminal having the largest delay among the plurality of client terminals is selected.
  • ⁇ Example 2> When it is necessary to ensure fairness in online game competitions, it is desirable to arrange the MEC devices at positions where the delays between client terminals are as even as possible. Therefore, a MEC device is selected at an arrangement location within the range of the delay amount at which the online game can be comfortably used and with less variation in the delay amount between the client terminals.
  • FIG. 1 is a diagram showing a configuration example of a system according to an embodiment of the present invention. As shown in FIG. 1, this system includes a management device 100, network devices 200-1 to 200-6, MEC devices 300-1 to 300-4, and client terminals 400-1 to 400-3, as shown in the figure. The devices are connected by a network. The number of each device in FIG. 1 is only an example.
  • the management device 100 manages the arrangement and grouping of client terminals 400, network configuration, arrangement of MEC devices, operating status of each device, selection conditions, and the like, and is accessed by a plurality of client terminals 400 belonging to the group. The process of selecting the MEC device is executed.
  • the network device 200 is connected to another network device 200 to form a network.
  • the network device 200 accommodates the client terminal 400 and the MEC device 300 to provide the communication necessary for executing the application.
  • the network device 200 is, for example, a router, a switch, a base station of a mobile network, or the like.
  • the MEC device 300 is connected to the network device 200 and provides the MEC service to the client terminal 400.
  • the client terminal 400 is a terminal of a user who uses an application or the like, and is, for example, a PC, a smartphone, a tablet, or the like.
  • the network device, MEC device, and client terminal may be collectively referred to as "device”.
  • the management device 100 performs processing such as selecting the MEC device to be accessed by the plurality of client terminals 400.
  • processing such as selecting the MEC device to be accessed by the plurality of client terminals 400.
  • the operation outline of the management device 100 will be described below.
  • the management device 100 manages a group of 400 client terminals that operate applications in cooperation with each other, measures the amount of delay based on the group, selects a MEC device, and the like.
  • the selection of the MEC device is to select the MEC device at one place from the MEC devices arranged at a plurality of places.
  • the management device 100 manages the device and the network in association with the group information when managing the device and the network, and does not affect the target group when measuring the delay amount of the target group and selecting the MEC device. It is possible to discriminate and exclude, and to divert information on devices and networks shared with other groups. More specifically, it is as follows.
  • the management device 100 manages the condition settings that serve as selection criteria for the MEC device 300 to be used in the target group for each group, judging from the specifications from the user, the operating status of the application, the operating status of the device and the network, and the like.
  • the management device 100 calculates the amount of delay between each client terminal 400 belonging to the same group and each MEC device 300 in the network, and the client terminal of the target group is based on the calculation result and the condition setting of MEC selection. Select the MEC device 300 that the 400 accesses. An example of condition setting and an example of logic for calculating the delay amount will be described later.
  • the management device 100 separately manages the delay amount between the MEC device 300 and the network device 200 that are commonly used by a plurality of groups and the delay amount between the network device 200 and the client terminal 400 whose usage range is limited for each group.
  • the total delay amount is calculated in combination. This makes it possible to limit the range of measurement and calculation according to the information of the target group when calculating the delay amount.
  • the delay amount between the network device 200 and the client terminal 400 is measured, but the delay amount between the MEC device 300 and the network device 200 commonly used by the two groups is The number of measurements can be reduced by diverting what has been measured once. For example, regarding the delay amount between the MEC device 300 and the network device 200, the delay amount measured for selecting the MEC device in the group A can be used when selecting the MEC device in the group B.
  • the management device 100 Even after the management device 100 once determines the deployment destination of the MEC device 300, it confirms the operation status of the device and network, the usage status of the client terminal 400, and the like, and changes the status (increase / decrease in number, change group, connect). When a change in the destination network device 200, a change in the communication status, etc. occurs, the MEC deployment destination is recalculated based on the changed information, and the MEC deployment destination is redeployed as necessary.
  • the measurement and recalculation required for redeployment can be performed by limiting the range according to the target group. For example, in the environment used by Group A and Group B, in the case of a device or network change that affects only one group, only remeasurement or recalculation on the group side to which the target client terminal 400 belongs is performed. ..
  • the information between the MEC device 300 and the network device 200 with little change can be obtained. Since it is possible to partially update only the information between the network device 200 and the end of the client end 400, which are frequently changed, and reselect the MEC device, the number and range of measurements can be reduced and the reselection can be performed efficiently. It can be performed.
  • the amount of delay cannot be actually measured, it is possible to calculate an estimated value based on information such as network configuration, route, and line type, and select the MEC device 300 based on the estimated value. Further, if the measurement has been performed in the past and the operating state has not changed since that time, the MEC device 300 can be selected using the past measured values.
  • FIG. 2 is a diagram showing a functional configuration example of the management device 100.
  • the management device 100 includes a request reception unit 110, a group management unit 120, a condition management unit 130, a device / configuration management unit 140, an operation status management unit 150, a calculation / judgment unit 160, and a management information storage unit. It has 170, a storage unit control unit 180, and an information transmission / reception unit 190.
  • the request reception unit 110 receives instructions from service providers, users, and the like.
  • the group management unit 120 manages information on the client terminal 400 and the group to which the client terminal 400 belongs.
  • the condition management unit 130 determines and manages the condition setting when selecting the MEC device.
  • the device / configuration management unit 140 manages information on the arrangement and connection of each device.
  • the operation status management unit 150 manages the operation status of each device and network.
  • the calculation / determination unit 160 performs necessary calculations based on information such as the delay amount, and selects the MEC device 300.
  • the management information storage unit 170 stores management information related to group management, device / configuration management, and operation status management.
  • the storage unit control unit 180 performs operations such as writing and reading to the management information storage unit 170.
  • the information transmission / reception unit 190 transmits an instruction to the managed device. In addition, the information transmission / reception unit 190 receives the results of tests and measurements from the managed device.
  • FIG. 3 is a diagram showing a functional configuration example of the network device 200.
  • the network device 200 includes a test unit 210, an operation state measurement unit 220, and a device control unit 230.
  • the test unit 210 tests with the MEC device 300 or the subordinate client terminal 400. This "test” also includes the measurement of the amount of delay.
  • the operation state measurement unit 220 measures the operation state of the network device 200.
  • the operating state is, for example, a load status (CPU usage rate, etc.), a traffic processing amount, the presence or absence of an error, and the like.
  • the device control unit 230 receives a request from the management device 100 and performs necessary tests, measurements, setting changes, and the like.
  • FIG. 4 is a diagram showing a functional configuration example of the MEC device 300.
  • the MEC device 300 includes a test unit 310, an operation state measurement unit 320, and a device control unit 330.
  • the test unit 310 tests with the network device 200. This "test” also includes the measurement of the amount of delay.
  • the operation state measurement unit 320 measures the operation state of the MEC device 300.
  • the operating state is, for example, a load status (CPU usage rate, etc.), a traffic processing amount, the presence or absence of an error, and the like.
  • the device control unit 330 receives a request from the management device 100 and performs necessary tests, measurements, setting changes, and the like.
  • the MEC device 300 in a place where the delay with the MEC device 300 is the largest but the delay amount is the smallest is selected. The conditions for selection are determined.
  • the user inputs the information of this condition into the request reception unit 110.
  • the condition information is stored in the condition management unit 130 from the request reception unit 110, and is notified to the calculation / determination unit 160.
  • the device / configuration management unit 140 already stores the device / configuration information required for the following processing, and the calculation / determination unit 160 manages the device / configuration information corresponding to the target group. It shall be possible to obtain it from the part 140.
  • the device / configuration management unit 140 may be referred to as a “database that stores configuration information”.
  • the calculation / determination unit 160 of the management device 100 extracts one or more client terminals 400 belonging to the designated calculation target group from the device / configuration management unit 140 based on the information of the designated group. Further, the network device 200 that directly accommodates the client terminal 400 and the network device 200 while the network devices 200 are connected are extracted from the device / configuration management unit 140. In addition, candidates for the MEC device 300 that can be used by the client terminal 400 of the target group are extracted from the device / configuration management unit 140.
  • the function of performing extraction in the calculation / determination unit 160 may be called an extraction means. Further, the function of performing the selection described below in the calculation / judgment unit 160 may be referred to as a selection means.
  • FIG. 6 shows an example of each extracted device.
  • C1 to C7 are the extracted client terminals 400
  • N1 to N11 are the extracted network devices 200
  • MEC1 to MEC4 are candidates for the extracted MEC device 300.
  • the numerical value in parentheses on the line indicates the amount of delay in the section.
  • N2, N4, N8, and N11 are network devices 200 that directly accommodate the client terminals 400, respectively.
  • N1, N3, N5, N6, N7, N9, and N10 are network devices 200 while they are connected to each other.
  • Candidates for the MEC device 300 that can be used by the client terminal 400 of the target group are a predetermined hop to the MEC device 300 directly connected to the network device 200 that directly accommodates the client terminal 400 and the network device 200 that directly accommodates the client terminal 400.
  • the MEC device 300 is directly connected to the network device 200 connected within a few.
  • the "predetermined number of hops" is, for example, 1.
  • the calculation / determination unit 160 measures the delay amount between each network device 200 that directly accommodates the client terminal 400 extracted in S1 and each candidate of each MEC device 300 in which the server can be installed. Store the result in a table. This table may be held by the calculation / determination unit 160 or may be held by the operation state management unit 150.
  • the calculation / judgment unit 160 performs measurement specifically means that a measurement request is sent to the target device and the measurement result is received from the target device. If the required delay amount is already stored in the table and it can be used, it may be used without measuring.
  • the delay amount is measured between each of N2, N4, N8, and N11 and each of MEC1 to MEC4, and the result shown in FIG. 7 is obtained.
  • the delay amount of MEC1 to N4 is 3.
  • the calculation / determination unit 160 measures the amount of delay between each network device 200 that directly accommodates the client terminal 400 and the client terminal 400, and stores the result in a table.
  • the calculation / determination unit 160 searches the table of the delay amount between the client terminal 400 and the accommodation network device 200 obtained in S3 for the maximum delay amount for each network device 200.
  • the delay amount table shown in FIG. 8 obtained based on the configuration of FIG. 6, for example, among the three delay amounts between N2 and C1 to C3, the delay amount of N2 to C1 is the largest. , As shown in FIG. 9, the delay amounts of N2 to C1 are obtained as the search results.
  • the calculation / determination unit 160 combines the maximum delay amount between the client terminal 400 and the network device 200 acquired in S4 with the table of the delay amount between each network device 200 and the MEC device 300 candidate measured in S2, and sets the client. Create a table assuming the amount of delay between the terminal 400 and the MEC device 300 candidates.
  • the calculation / determination unit 160 searches for the maximum delay amount between the client terminal 400 and the MEC device 300 candidate for each MEC device 300 candidate based on the table created in S5. Select the MEC device candidate that has the smallest maximum delay amount, and select it as the server installation destination.
  • the maximum delay amount for MEC1 is the delay amount 10 with and from C7
  • the maximum delay amount with respect to MEC3 is a delay amount of 8 with C1
  • the maximum delay amount with respect to MEC4 is a delay amount of 9 with C1. Therefore, as shown in FIG. 11B, the MEC3 having the smallest maximum delay amount is selected as the server installation destination.
  • the above-mentioned example is an example in which the MEC device is selected so as to minimize the delay amount of the client terminal 400 having the largest delay among the plurality of client terminals 400.
  • the determination unit 160 creates the table of FIG. 7 (delay amount of the MEC device to the network device) and the table of FIG. 8 (delay amount of the client terminal to the accommodation network device) similar to the above example.
  • the calculation / determination unit 160 calculates the amount of delay between each of MEC1 to MEC4 and each of C1 to C7 by using the table of FIG. 7 and the table of FIG. As a result, the table shown in FIG. 12 is created by adding the column C2, the column C3, and the column C4 to the table shown in FIG.
  • the calculation / determination unit 160 determines the amount of delay between the MEC1 to MEC4 and the client terminal among one or more MEC devices whose maximum value of the delay amount between the MEC1 and the MEC4 is equal to or less than a predetermined threshold value. Select the MEC device that minimizes the dispersion.
  • variance is used as an example of an index of variation.
  • MEC4 is selected because MEC4 is the smallest of MEC2, MEC3, and MEC4 for the distribution of the delay amount with the client terminal.
  • the arrangement of the MEC device 300 can be determined by selecting a position where the plurality of client terminals 400 and the server can communicate with each other with an appropriate delay amount. As a result, the performance of the service using the MEC device 300 can be maximized.
  • the management information storage unit 170 and the storage unit control unit 180 of the management device 100 provide information to each functional unit as needed.
  • the request reception unit 110 receives a request from a user or the like, and notifies the calculation / judgment unit 160, the condition management unit 130, and the group management unit 120 of the request content.
  • the group management unit 120 manages the target group specified in the request and notifies the device / configuration management unit 140 of the target group.
  • the condition management unit 130 notifies the calculation / determination unit 160 of the user-specified condition.
  • the device / configuration management unit 140 notifies the operation status management unit 150 and the calculation / determination unit 160 of the target device and the configuration.
  • the operation state management unit 150 determines the necessity of measuring the operation state, and requests the calculation / judgment unit 160 and the information transmission / reception unit 170 to measure if necessary.
  • the calculation / judgment unit 160 requests the information transmission / reception unit 190 to perform a test (measurement) between the target device and the client terminal, and in S17, the information transmission / reception unit 190 requests a test or measurement request from the network device 200. Notify the control unit 230 and the device control unit 330 of the MEC device 300.
  • the device control unit 230 notifies the operation state measurement unit 220 and the test unit 210 of the measurement and test requests.
  • the operation state measurement unit 220 measures the state and notifies the device control unit 230 of the result.
  • the device control unit 330 notifies the operation state measurement unit 320 and the test unit 310 of the measurement and test requests.
  • the operation state measurement unit 320 measures the state and notifies the device control unit 330 of the result.
  • test unit 210 conducts a test with the MEC device 300
  • test unit 310 conducts a test with the network device 200.
  • test unit 210 conducts a test with the client terminal 400, and in S25, the client terminal 400 conducts a test with the network device 200. In S26, S27, S28, and S29, the result of the test or measurement is notified to the requester.
  • the information transmission / reception unit 190 notifies the operation state management unit 150 and the calculation / judgment unit 160 of the measurement and test results.
  • the operation state management unit 150 notifies the calculation / determination unit 160 of the operation state.
  • the calculation / determination unit 160 selects the MEC device using the collected information.
  • the information necessary for using the selected device is notified to each target device.
  • the device settings are changed in each device.
  • the calculation / judgment unit 160 notifies each function unit of the information of the selection result.
  • the selection result is reflected in the management information in each functional unit. The operation is started in S44.
  • the management device 100, the network device 200, the MEC device 300, and the client terminal 400 can all be realized by, for example, causing a computer to execute a program.
  • This computer may be a physical computer or a virtual machine.
  • This "computer” includes a router, a switch, and the like having a configuration including a CPU and a memory.
  • the device corresponds to the processing performed by the device using hardware resources such as a CPU and memory built in the computer. It can be achieved by executing the program.
  • the above program can be recorded on a computer-readable recording medium (portable memory, etc.), stored, and distributed. It is also possible to provide the above program through a network such as the Internet or e-mail.
  • FIG. 15 is a diagram showing a hardware configuration example of the computer.
  • the computer of FIG. 15 has a drive device 1000, an auxiliary storage device 1002, a memory device 1003, a CPU 1004, an interface device 1005, a display device 1006, an input device 1007, and the like, each of which is connected to each other by a bus B.
  • the program that realizes the processing on the computer is provided by, for example, a recording medium 1001 such as a CD-ROM or a memory card.
  • a recording medium 1001 such as a CD-ROM or a memory card.
  • the program is installed in the auxiliary storage device 1002 from the recording medium 1001 via the drive device 1000.
  • the program does not necessarily have to be installed from the recording medium 1001, and may be downloaded from another computer via the network.
  • the auxiliary storage device 1002 stores the installed program and also stores necessary files, data, and the like.
  • the memory device 1003 reads and stores the program from the auxiliary storage device 1002 when the program is instructed to start.
  • the CPU 1004 realizes the function related to the device according to the program stored in the memory device 1003.
  • the interface device 1005 is used as an interface for connecting to a network, and functions as an input means and an output means via the network.
  • the display device 1006 displays a programmatic GUI (Graphical User Interface) or the like.
  • the input device 157 is composed of a keyboard, a mouse, buttons, a touch panel, and the like, and is used for inputting various operation instructions.
  • This specification discloses at least the management devices, selection methods, and programs of the following items.
  • (Section 1) It is a management device that selects a MEC device that is accessed by a plurality of client terminals that make up a group from among the MEC devices that are arranged at a plurality of locations. From the database that stores the configuration information, the client terminals that belong to the specified group, the network device that directly accommodates the client terminals, the network device between the network devices, and the MEC device that is a candidate for selection are extracted.
  • Extraction means and The first delay amount which is the delay amount between each network device and each MEC device that directly accommodates the client terminals belonging to the group, and each network device and each client terminal that directly accommodates the client terminals belonging to the group.
  • a management device including a selection means for selecting a MEC device to be accessed by a plurality of client terminals constituting the group by using a second delay amount which is a delay amount between the two.
  • the selection means calculates the delay amount between the client terminal and the MEC device based on the first delay amount and the second delay amount, and the delay amount is calculated among the plurality of client terminals belonging to the group.
  • the management device according to item 1, wherein a MEC device that minimizes the maximum delay amount of the client terminal is selected.
  • the selection means calculates the delay amount between the client terminal and the MEC device based on the first delay amount and the second delay amount, and the delay between the client terminals is within a predetermined delay amount.
  • the management device according to item 1, wherein the MEC device that minimizes the variation in quantity is selected.
  • (Section 4) It is a selection method executed by a management device that selects a MEC device to be accessed by a plurality of client terminals constituting a group from among MEC devices arranged in a plurality of locations. From the database that stores the configuration information, the client terminals that belong to the specified group, the network device that directly accommodates the client terminals, the network device between the network devices, and the MEC device that is a candidate for selection are extracted.
  • the first delay amount which is the delay amount between each network device and each MEC device that directly accommodates the client terminals belonging to the group, and each network device and each client terminal that directly accommodates the client terminals belonging to the group.
  • a selection method including a selection step of selecting a MEC device to be accessed by a plurality of client terminals constituting the group by using a second delay amount which is a delay amount between and.
  • (Section 5) A program for causing a computer to function as each means in the management device according to any one of the first to third paragraphs.
  • Management device 110 Request reception unit 120 Group management unit 130 Condition management unit 140 Device / configuration management unit 150 Operation status management unit 160 Calculation / judgment unit 170 Management information storage unit 180 Storage unit Control unit 190 Information transmission / reception unit 200 Network device 210 Test Unit 220 Operation status measurement unit 230 Device control unit 300 MEC device 310 Test unit 320 Operation status measurement unit 330 Device control unit 1000 Drive device 1001 Recording medium 1002 Auxiliary storage device 1003 Memory device 1004 CPU 1005 Interface device 1006 Display device 1007 Input device

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  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
PCT/JP2020/008167 2020-02-27 2020-02-27 管理装置、選定方法、及びプログラム Ceased WO2021171521A1 (ja)

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PCT/JP2020/008167 WO2021171521A1 (ja) 2020-02-27 2020-02-27 管理装置、選定方法、及びプログラム
US17/802,304 US11985034B2 (en) 2020-02-27 2020-02-27 System and method for selecting computing device for multi-user access

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JP2023116078A (ja) * 2022-02-09 2023-08-22 株式会社Ｎｔｔドコモ 通信制御装置
WO2025083874A1 (ja) * 2023-10-20 2025-04-24 日本電信電話株式会社 通信制御装置、通信システム及び通信制御方法
WO2025224825A1 (ja) * 2024-04-23 2025-10-30 Ｎｔｔ株式会社 通信経路最適化装置および通信経路最適化方法

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WO2022141528A1 (zh) * 2020-12-31 2022-07-07 华为技术有限公司 一种确定mec接入点的方法及装置

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