WO2023026442A1 - Système de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations - Google Patents

Système de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations Download PDF

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Publication number
WO2023026442A1
WO2023026442A1 PCT/JP2021/031406 JP2021031406W WO2023026442A1 WO 2023026442 A1 WO2023026442 A1 WO 2023026442A1 JP 2021031406 W JP2021031406 W JP 2021031406W WO 2023026442 A1 WO2023026442 A1 WO 2023026442A1
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Prior art keywords
relay device
information
notification information
address range
distribution
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PCT/JP2021/031406
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English (en)
Japanese (ja)
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孝幸 中村
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日本電信電話株式会社
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Priority to PCT/JP2021/031406 priority Critical patent/WO2023026442A1/fr
Priority to JP2023543586A priority patent/JPWO2023026442A1/ja
Publication of WO2023026442A1 publication Critical patent/WO2023026442A1/fr

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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
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation

Definitions

  • the present invention relates to an information processing system, an information processing method, and an information processing program.
  • 5G 5th Generation
  • NW Network
  • NW slicing technology is a technology that quickly and flexibly provides NW for a wide variety of NW requirements.
  • NW resources such as bandwidth and computing resources such as CPU ⁇ Central Processing Unit>
  • the divided resources are combined to create a logical NW (NW slice) that satisfies the NW requirements. I will provide a.
  • the E2E section is defined as a section between a UE (User Equipment) and a server (hereinafter referred to as a server) where an application that performs processing related to services is deployed.
  • S-NSSAI Single-Network A means of allocating resources in units of Slice Selection Assistance Information
  • DN Data NW section
  • FIG. 10 is a diagram for explaining the conventional technology.
  • the conventional technology it is possible to allocate resources corresponding to S-NSSAI within a DN, which is 5GC or transport NW.
  • NW configuration 1 includes UEs 10a, 10b, 10c, 10d, 10e, 10f, UPFs 30a, 30b, 30c, DN-GW (UPF-side DN-GW) 40a, and DN-GW (server-side DN-GW) 50a. , and an APL (Application) server 60 . Also, NW configuration 1 has CPF 80 , 5GC management system 81 , DN controller 82 , and orchestrator 83 . In the following description, the UEs 10a to 10f are referred to as "UE 10" unless otherwise distinguished. The UPFs 30a, 30b, and 30c are denoted as "UPF 30".
  • the UE 10 is connected to UPF 30 via NW (mobile access NW) 2.
  • the UPF 30 is connected to a DN-GW (UPF side DN-GW) 40a using NW resources (UPF-DN NW resources) 4a, 4b, and 4c.
  • NW resources (UPF-DN NW resources) 4a, 4b, and 4c are collectively referred to as "NW resource 4".
  • a DN-GW (UPF-side DN-GW) 40a is connected to a DN-GW (server-side DN-GW) 50b using DN NW resources 5a and 5b.
  • the NW resources 5a and 5b are logical paths configured by tunneling technologies such as GRE (Generic Routing Encapsulation) and SR (Segment Routing) that ensure NW quality such as bandwidth and transfer delay.
  • the NW resources 5a and 5b of the DN are collectively referred to as "NW resource 5".
  • the DN-GW 50b is connected to the APL server 60 via NW.
  • the CPF 80 is connected to the UE 10 and UPF 30 via NW.
  • a 5GC management system 81 is connected to the UPF 30 and CPF 80 via NW.
  • the DN controller 82 is connected to the DN-GW 40a and DN-GW 50a via NW.
  • the orchestrator 83 is connected to the 5GC management system 81 and DN controller 82 via NW.
  • the orchestrator 83 has an address inventory 83a that defines allocatable address ranges.
  • resources corresponding to S-NSSAI are allocated within the DN by executing the following procedures s1 to s7.
  • the procedure s1 will be explained.
  • the orchestrator 83 refers to the address inventory 83a and allocates the UE allocation address range for the S-NSSAI.
  • S-NSSAI#1 is assigned the address range a1 to aX
  • S-NSSAI#2 is assigned the address range b1 to bX
  • S-NSSAI#3 is assigned the address range c1 to cX. assign.
  • the procedure s2 will be explained.
  • the orchestrator 83 gives the 5GC management system 81 an order to generate 5GC resources (NSI: Network Slice Instance) in units of S-NSSAI, including the UE allocation address range. For example, the orchestrator 83 requests the 5GC management system 81 to generate UPF 30a corresponding to S-NSSAI#1, UPF 30b corresponding to S-NSSAI#2, and UPF 30c corresponding to S-NSSAI#3.
  • NSSAI Network Slice Instance
  • the procedure s3 will be explained.
  • the 5GC management system 81 generates UPFs 30a to 30c as 5GC resources in units of S-NSSAI.
  • the 5GC management system 81 sets the address range for UE allocation to the UPFs 30a to 30c. For example, the 5GC management system 81 assigns the address range a1 to aX to the UPF 30a, the address range b1 to bX to the UPF 30b, and the address range c1 to cX to the UPF 30c.
  • the procedure s4 will be explained.
  • the orchestrator 83 instructs the DN controller 82 on resource setting orders and communication distribution settings within the DN.
  • a DN controller 82 generates a NW resource 5 (logical path) within the DN.
  • the procedure s6 will be explained.
  • the DN controller 82 instructs the DN-GW 40a and DN-GW 50a to set allocation based on the UE assigned address range for each S-NSSAI for the NW resource 5 generated in procedure s5. For example, when the address range a1 to aX is assigned to the NW resource 5a, if the UE address of a packet transmitted in communication between the UE 10 and the APL server 60 is included in the address range a1 to aX, such communication is , is executed via the NW resource 5a.
  • the procedure s7 will be explained.
  • the CPF 80 allocates an unused address in the UE allocation address range to the UE 10 when establishing a PDU session between the UE 10 and the UPF 30 .
  • the CPF 80 establishes a PDU session between the UE 10a and the UPF 30a, and assigns the UE address "a1" to the UE 10a if the UE address a1 in the address range a1 to aX is unused.
  • 3GPP TS 28.530 16.4.0 Management and orchestration; Concepts, use cases and requirements
  • 3GPP TS 28.531 16.10.0 Management and orchestration; Provisioning
  • IETF IETF Network Slice for 5G and its characteristics
  • FIG. 11 is a diagram for explaining the problems of the conventional technology.
  • UPFs 30a, 30b, 30c, and 30d are connected to DN-GW 40a by UPF-DN resources.
  • UPFs 31a, 31b, 31c, and 31d are connected to DN-GW 40b by UPF-DN resources.
  • UPFs 32a, 32b, 32c, and 32d are connected to DN-GW 40c by UPF-DN resources.
  • the DN-GWs 40a, 40b, 40c are connected to the DN-GWs 50a, 50b by intra-DN resources.
  • the DN-GWs 50a and 50b are connected to server groups 61 and 62, respectively.
  • the DN controller 82 repeats the above steps s4 and s5 to Distribution setting based on the assigned address range is executed for DN-GWs 40a to 40c, 50a, and 50b, increasing the amount of management information.
  • the management information includes distribution setting information based on the UE assigned address range for each S-NSSAI.
  • the present invention has been made in view of the above, and aims to provide an information processing system, information processing method, and information processing program capable of allocating an appropriate slice in a section between a UE and a server.
  • the information processing system has user terminals that communicate with the server via the first relay device, the second relay device, and the third relay device.
  • the second relay device associates slice identification information identifying a slice corresponding to the session established between the user terminal and the first relay device with information on the address range assigned to the first relay device.
  • an address cooperation function unit that notifies the third relay device of the notification information when the notification information is received from the first relay device; and resources included in the second relay device and the third relay device based on the notification information.
  • a first distribution setting function unit that generates a first distribution rule associated with the address range.
  • an appropriate slice can be assigned in the section between the UE and the server.
  • FIG. 1 is a diagram showing the configuration of an information processing system according to this embodiment.
  • FIG. 2 is a diagram showing an example of the data structure of the first NW information.
  • FIG. 3 is a diagram showing an example of the data structure of the second NW information.
  • FIG. 4 is a functional block diagram showing the configuration of the DN-GW on the UE side.
  • FIG. 5 is a diagram showing an example of the data structure of the first distribution rule table.
  • FIG. 6 is a functional block diagram showing the configuration of the DN-GW on the server side.
  • FIG. 7 is a diagram showing an example of the data structure of the second distribution rule table.
  • FIG. 8 is a flow chart showing the processing procedure of the information processing system.
  • FIG. 9 is a diagram illustrating an example of a computer that executes an information processing program;
  • FIG. 10 is a diagram for explaining the conventional technology.
  • FIG. 11 is a diagram for explaining the problem of the conventional technology.
  • FIG. 1 is a diagram showing the configuration of an information processing system according to this embodiment.
  • this information processing system 1a has UEs 10a to 10f, UPFs 30a, 30b and 30c, DN-GWs 40a and 50a, and APL servers 60a, 60b and 60c.
  • the UEs 10a to 10f are referred to as "UE 10" unless otherwise distinguished.
  • the UPFs 30a, 30b, and 30c are denoted as "UPF 30".
  • the APL servers 60a, 60b, 60c are referred to as "APL servers 60".
  • the UE 10 is connected to UPF 30 via NW (mobile access NW) 2.
  • the UPF 30 is connected to a DN-GW (UPF side DN-GW) 40a using NW resources (UPF-DN NW resources) 4a, 4b, and 4c.
  • a DN-GW (UPF-side DN-GW) 40a is connected to a DN-GW (server-side DN-GW) 50a using DN NW resources 5a and 5b.
  • a DN-GW (server-side DN-GW) 50a is connected to an APL server 60 via a NW.
  • the NW resources (UPF-DN NW resources) 4a, 4b, and 4c are collectively referred to as "NW resources 4" unless otherwise distinguished.
  • the NW resources 5a and 5b of DN3 are collectively referred to as "NW resource 5".
  • the UE 10 is a terminal device used by a user.
  • the UE 10 exchanges connection request/response messages with a CPF (not shown) in accordance with the 3GPP standard, and establishes or releases a PDU session with the UPF 30 .
  • the UE 10 communicates with the APL server 60 via the UPF 30 and DN-GWs 40a and 50a.
  • the information processing system 1a may further include other UEs.
  • the UPF 30 is responsible for the following functions in accordance with the 3GPP standard.
  • the UPF 30 exchanges PDU session establishment request/response messages with the CPF, and establishes or releases a PDU session with the UE 10 .
  • the UPF 30 selects the NW resource 4 corresponding to the S-NSSAI to which the PDU session belongs, and performs communication from the UE 10 to the APL server 60 .
  • the UPF 30 has S-NSSAI and UE assigned address ranges set respectively. In the following description, the UE issued address range is referred to as "address range”.
  • the UPF 30 has an address notification function, and notifies the adjacent DN-GW 40a of the S-NSSAI and address range information set for itself. In the following description, the information about the S-NSSAI and the address range that the UPF 30 notifies to the DN-GW 40a is referred to as "notification information”.
  • S-NSSAI#1 and an address range a1 to aX are set in the UPF 30a.
  • S-NSSAI#2 and an address range b1 to bX are set in the UPF 30b.
  • S-NSSAI#3 and an address range c1 to cX are set in the UPF 30c.
  • the DN-GW 40a has an address linkage function, NW information by S-NSSAI, a distribution setting function, and a distribution function.
  • the address cooperation function of the DN-GW 40a re-notifies the notification information received from the UPF 30 to the DN-GW 50a.
  • the distribution setting function of the DN-GW 40a sets a distribution rule in the distribution function based on the notification information and the first NW information.
  • FIG. 2 is a diagram showing an example of the data structure of the first NW information.
  • this first NW information includes S-NSSAI, UE side NW resource identification information, server side NW resource identification information, UPF identification information, and DN-GW identification information (server side).
  • S-NSSAI is a slice identifier.
  • the UE-side NW resource identification information is information that uniquely identifies the NW resource 4 .
  • the server-side NW resource identification information is information that uniquely identifies the NW resource 5 .
  • the UPF identification information is information that uniquely identifies the UPF.
  • the DN-GW identification information (server side) is information that uniquely identifies the DN-GW on the server side.
  • the distribution setting function of the DN-GW 40a assigns NW resources to the address range a1 to aX. 4 is set as "NW resource 4a" and NW resource 5 is set as "NW resource 5a”.
  • the distribution function of the DN-GW 40a distributes resources used in communication between the UE 10 and the AGL server 60 according to the set distribution rules.
  • the distribution function of the DN-GW 40a is a packet addressed to the APL server 60 from the UE 10, and when the packet address (source address) is included in the address range a1 to aX, "NW resource 5a" assign.
  • the distribution function of the DN-GW 40a allocates "NW resource 4a" when the packet is addressed to the UE 10 from the APL server 60 and the packet address (destination address) is included in the address range a1 to aX. .
  • the DN-GW 50a has an address linkage function, second NW information, distribution setting function, and distribution function.
  • the address linkage function of DN-GW 50a receives notification information from DN-GW 40a.
  • the distribution setting function of the DN-GW 50a sets the distribution rule in the distribution function based on the notification information and the second NW information.
  • FIG. 3 is a diagram showing an example of the data structure of the second NW information.
  • this second NW information includes S-NSSAI, UE side NW resource identification information, server side NW resource identification information, DN-GW identification information (UE side), and server identification information.
  • S-NSSAI is a slice identifier.
  • the UE-side NW resource identification information is information that uniquely identifies the NW resource 5 .
  • the server-side NW resource identification information is information that uniquely identifies the server-side NW resource.
  • the DN-GW identification information (UE side) is information that uniquely identifies the DN-GW on the UE side.
  • the server identification information is information that uniquely identifies the APL server.
  • the server-side NW resource of the second NW information will be blank.
  • the distribution setting function of DN-GW 50a assigns it to address range a1 to aX.
  • a distribution rule is set to set the NW resource 5 as "NW resource 5a".
  • the distribution function of the DN-GW 50a distributes resources used in communication between the UE 10 and the APL server 60 according to the set distribution rules.
  • the distribution function of the DN-GW 50a is a packet addressed to the UE 10 from the APL server 60, and when the packet address (destination address) is included in the address range a1 to aX, "NW resource 5a" assign.
  • the notification information notified from the UPF 30 is linked with the DN-GW 40a and the DN-GW 50a, and each DN-GW 40a and the DN-GW 50a receive the notification information.
  • NW information first NW information, second NW information
  • a distribution rule is set, and resources used in communication between the UE 10 and the APL server 60 are distributed according to the distribution rule. This makes it possible to avoid overconcentration of settings by the DN controller and allocate appropriate slices (resources) in the section between the UE and the server.
  • FIG. 4 is a functional block diagram showing the configuration of the DN-GW on the UE side.
  • this DN-GW 40a has a communication control section 41, a storage section 44, and a control section 45.
  • FIG. Of the processes of the DN-GW 40a only the processes closely related to the present invention will be described in the explanation of FIG. 4, but other processes corresponding to normal DN-GWs are also executed.
  • the communication control unit 41 is implemented by a NIC (Network Interface Card) or the like, and controls communication between an external device and the control unit 45 via an electrical communication line such as a LAN (Local Area Network) or the Internet.
  • NIC Network Interface Card
  • LAN Local Area Network
  • the storage unit 44 has notification information 44a, first NW information 44b, and a first distribution rule table 44c.
  • the storage unit 44 is implemented by a semiconductor memory device such as RAM (Random Access Memory) or flash memory, or a storage device such as a hard disk or optical disk.
  • the notification information 44a is information notified from the UPF 30. As described above, the notification information 44a includes information on the S-NSSAI set in the UPF 30 and the address range.
  • the first NW information 44b is information that defines the NW resources 4 and 5 allocated to each S-NSSAI.
  • the data structure of the first NW information 44b corresponds to the first NW information described with reference to FIG.
  • the first distribution rule table 44c is a table that stores distribution rules generated by the distribution setting function unit 45b, which will be described later.
  • FIG. 5 is a diagram showing an example of the data structure of the first distribution rule table. As shown in FIG. 5, the first distribution rule table 44c has an address range, UE-side NW resource identification information, and server-side NW resource identification information.
  • the control unit 45 has an address linkage function unit 45a, a distribution setting function unit 45b, and a distribution function unit 45c.
  • the control unit 45 corresponds to a CPU (Central Processing Unit) or the like.
  • the address linkage function unit 45a When receiving the notification information 44a from the UPF 30, the address linkage function unit 45a registers the received notification information 44a in the storage unit 44. The address linkage function unit 45a re-notifies the DN-GW 50a of the notification information 44a.
  • the distribution setting function unit 45b generates a distribution rule based on the notification information 44a and the first NW information 44b, and sets the generated distribution rule in the first distribution rule table 44c. For example, the distribution setting function unit 45b compares the S-NSSAI of the notification information 44a with the first NW information 44b to identify the UE side NW resource identification information and the server side NW resource identification information allocated to the S-NSSAI. do. The distribution setting function unit 45b generates a distribution rule that associates the identified UE-side NW resource identification information, the server-side NW resource identification information, and the address range of the notification information 44a, and creates a first distribution rule table 44c. set to
  • the distribution setting function unit 45b assigns the UE side NW to the address range a1 to aX.
  • a distribution rule is set in which the resource identification information is "NW resource 4a" and the server side NW resource identification information is "NW resource 5a".
  • the distribution setting function unit 45b compares the combination of the S-NSSAI of the notification information 44a, the UPF 30 that transmitted the notification information 44a, the DN-GW 50a, and the first NW information 44b, and the UE assigned to the S-NSSAI
  • the side NW resource identification information and the server side NW resource identification information may be specified.
  • the distribution function unit 45c distributes resources used for communication between the UE 10 and the AGL server 60 based on the first distribution rule table 44c. For example, when the packet is addressed to the APL server 60 from the UE 10 and the packet address (source address) is included in the address range a1 to aX, the distribution function unit 45c assigns "NW resource 5a". . If the packet is addressed to the UE 10 from the APL server 60 and the address of the packet (destination address) is included in the address range a1 to aX, the distribution function unit 45c allocates the "NW resource 4a".
  • FIG. 6 is a functional block diagram showing the configuration of the DN-GW on the server side. As shown in FIG. 6, this DN-GW 50a has a communication control section 51, a storage section 54, and a control section 55. FIG. Of the processes of the DN-GW 50a, only the processes closely related to the present invention will be explained in the explanation of FIG.
  • the communication control unit 51 is realized by a NIC or the like, and controls communication between an external device and the control unit 55 via electric communication lines such as LAN and the Internet.
  • the storage unit 54 has notification information 54a, second NW information 54b, and a second distribution rule table 54c.
  • the storage unit 54 is implemented by a semiconductor memory device such as a RAM or flash memory, or a storage device such as a hard disk or optical disk.
  • the notification information 54a is information re-notified from the DN-GW 40a. As described above, the notification information 54a includes information on the S-NSSAI set in the UPF 30 and the address range.
  • the second NW information 54b is information that defines the NW resources 5 assigned to each S-NSSAI.
  • the data structure of the second NW information 54b corresponds to the second NW information described with reference to FIG.
  • the second distribution rule table 54c is a table that stores distribution rules generated by the distribution setting function unit 55b, which will be described later.
  • FIG. 7 is a diagram showing an example of the data structure of the second distribution rule table.
  • the second distribution rule table 54c has address ranges, UE-side NW resource identification information, and server-side NW resource identification information.
  • the second distribution rule table 54c has an address range, UE-side NW resource identification information, and server-side NW resource identification information.
  • the control unit 55 has an address cooperation function unit 55a, a distribution setting function unit 55b, and a distribution function unit 55c.
  • the control unit 55 corresponds to the CPU and the like.
  • the address linkage function unit 55a registers the received notification information 54a in the storage unit 54 when receiving the notification information 54a from the DN-GW 40a.
  • the distribution setting function unit 55b generates a distribution rule based on the notification information 54a and the second NW information 54b, and sets the generated distribution rule in the second distribution rule table 54c. For example, the distribution setting function unit 55b compares the S-NSSAI of the notification information 54a with the second NW information 54b to identify the UE side NW resource identification information and the server side NW resource identification information allocated to the S-NSSAI. do. The distribution setting function unit 55b generates a distribution rule that associates the identified UE-side NW resource identification information and server-side NW resource identification information with the address range of the notification information 54a, and creates a second distribution rule table 54c. set to
  • the distribution setting function unit 55b assigns it to the address range a1-aX.
  • a distribution rule is set in which the UE side NW resource identification information is "NW resource 5a" and the server side NW resource identification information is "blank”.
  • the distribution setting function unit 55b compares the S-NSSAI of the notification information 54a, the combination of the DN-GW 40a that sent the notification information 54a, the APL server 60, and the second NW information 54b, and assigns it to the S-NSSAI.
  • UE-side NW resource identification information and server-side NW resource identification information may be specified.
  • the distribution function unit 55c distributes resources used for communication between the UE 10 and the AGL server 60 based on the second distribution rule table 54c. For example, if the packet is addressed to the UE 10 from the APL server 60 and the packet address (destination address) is included in the address range a1 to aX, the distribution function unit 55c assigns "NW resource 5a". .
  • FIG. 8 is a flow chart showing the processing procedure of the information processing system.
  • the UPF 30 transmits notification information 44a to the DN-GW 40a when the PDU session is established (step S101).
  • the DN-GW 40a receives the notification information 44a (step S102).
  • the DN-GW 40a re-notifies the notification information 44a to the DN-GW 50a (step S103).
  • the DN-GW 40a generates a distribution rule based on the first NW information 44b and the notification information 44a (step S104).
  • the DN-GW 40a sets the distribution rule in the first distribution rule table 44c (step S105).
  • the DN-GW 40a distributes resources for communication between the UE 10 and the APL server 60 based on the first distribution rule table 44c (step S106).
  • the DN-GW 50a receives the notification information 44a (step S107).
  • the DN-GW 50a generates a distribution rule based on the second NW information and the notification information 44a (step S108).
  • the DN-GW 50a sets the distribution rule in the second distribution rule table 54c (step S109).
  • the DN-GW 50a distributes resources for communication between the UE 10 and the APL server 60 based on the second distribution rule table 54c (step S110).
  • Information processing system 1a cooperates with DN-GW 40a and DN-GW 50a for notification information notified from UPF 30, and each DN-GW 40a and DN-GW 50a receive notification information and NW information (first NW information 44b , second NW information 54b), and distributes resources used in communication between the UE 10 and the APL server 60 according to the distribution rule.
  • NW information first NW information 44b , second NW information 54b
  • FIG. 9 is a diagram illustrating an example of a computer that executes an information processing program.
  • Computer 1000 has, for example, memory 1010 , CPU 1020 , hard disk drive interface 1030 , disk drive interface 1040 , serial port interface 1050 , video adapter 1060 and network interface 1070 . These units are connected by a bus 1080 .
  • the memory 1010 includes a ROM (Read Only Memory) 1011 and a RAM 1012 .
  • the ROM 1011 stores a boot program such as BIOS (Basic Input Output System).
  • BIOS Basic Input Output System
  • Hard disk drive interface 1030 is connected to hard disk drive 1031 .
  • Disk drive interface 1040 is connected to disk drive 1041 .
  • a removable storage medium such as a magnetic disk or an optical disk is inserted into the disk drive 1041, for example.
  • a mouse 1051 and a keyboard 1052 are connected to the serial port interface 1050, for example.
  • a display 1061 is connected to the video adapter 1060 .
  • the hard disk drive 1031 stores an OS 1091, application programs 1092, program modules 1093 and program data 1094, for example. Each piece of information described in the above embodiment is stored in the hard disk drive 1031 or the memory 1010, for example.
  • the information processing program is stored in the hard disk drive 1031 as a program module 1093 in which commands to be executed by the computer 1000 are written, for example.
  • the hard disk drive 1031 stores a program module 1093 that describes each process executed by the DN-GWs 40a and 50b described in the above embodiments.
  • Data used for information processing by the information processing program is stored as program data 1094 in the hard disk drive 1031, for example. Then, the CPU 1020 reads out the program module 1093 and the program data 1094 stored in the hard disk drive 1031 to the RAM 1012 as necessary, and executes each procedure described above.
  • program module 1093 and the program data 1094 related to the information processing program are not limited to being stored in the hard disk drive 1031.
  • they may be stored in a removable storage medium and read by the CPU 1020 via the disk drive 1041 or the like. may be issued.
  • program modules 1093 and program data 1094 related to the information processing program are stored in another computer connected via a network such as LAN or WAN (Wide Area Network), and are read by CPU 1020 via network interface 1070. may be

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Abstract

L'invention concerne un système de traitement d'informations qui comprend un terminal utilisateur qui communique avec un serveur par l'intermédiaire d'un premier dispositif de relais, d'un deuxième dispositif de relais et d'un troisième dispositif de relais. Le deuxième dispositif de relais comprend : une unité fonctionnelle de liaison d'adresses, qui notifie des informations de notification à un troisième dispositif de relais, si les informations de notification sont reçues en provenance du premier dispositif de relais, les informations de notification associant des informations d'identification de tranche pour identifier une tranche correspondant à une session établie entre le terminal utilisateur et le premier dispositif de relais grâce à des informations concernant une plage d'adresses attribuée au premier dispositif de relais ; et une première unité fonctionnelle de réglage d'attributions qui, sur la base des informations de notification, génère une première règle d'attributions associant la plage d'adresses à une ressource comprise dans le deuxième dispositif de relais et le troisième dispositif de relais. Le troisième dispositif de relais comprend une seconde unité fonctionnelle de réglage d'attributions qui, si les informations de notification sont reçues en provenance du deuxième dispositif de relais, génère, sur la base des informations de notification, une seconde règle d'attributions associant la plage d'adresses à une ressource comprise dans le deuxième dispositif de relais et le troisième dispositif de relais.
PCT/JP2021/031406 2021-08-26 2021-08-26 Système de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations WO2023026442A1 (fr)

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