WO2023120752A1 - Système d'intégration de découpage réseau pour fournir un service de réseau fermé, et procédé associé - Google Patents

Système d'intégration de découpage réseau pour fournir un service de réseau fermé, et procédé associé Download PDF

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Publication number
WO2023120752A1
WO2023120752A1 PCT/KR2021/019435 KR2021019435W WO2023120752A1 WO 2023120752 A1 WO2023120752 A1 WO 2023120752A1 KR 2021019435 W KR2021019435 W KR 2021019435W WO 2023120752 A1 WO2023120752 A1 WO 2023120752A1
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WO
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Prior art keywords
network
network slice
service
slicing
user terminal
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PCT/KR2021/019435
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English (en)
Korean (ko)
Inventor
유동호
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주식회사 넷큐브
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Publication of WO2023120752A1 publication Critical patent/WO2023120752A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/60—Subscription-based services using application servers or record carriers, e.g. SIM application toolkits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service

Definitions

  • the present invention relates to a system and method for providing network slicing onboarding in a 5th generation mobile communication (5G) system.
  • 5G 5th generation mobile communication
  • an onboarding system and method capable of supporting a dedicated network slice service that builds a closed network such as in-house WIFI using a 5G mobile communication network and provides access control thereto.
  • the 5th generation mobile communication service which is currently being standardized, is undergoing technological developments such as significantly faster speed and ultra-low latency than the existing 4th generation LTE.
  • the 5th generation mobile communication system introduces a virtualized network architecture to accommodate these vertical applications, and through this, a network slice, a virtual closed network that meets high network conditions such as high resolution and high speed, is created for each vertical application service. can be assigned to each.
  • 5G applications can be operated based on a virtual dedicated mobile communication network for user terminals while ensuring the performance required for each application through end-to-end traffic separation and resource separation.
  • 5G is used as a mobile communication network to provide services through a network slice that guarantees a specific speed and quality of service, or to implement a network slice such as internal WIFI of a specific institution using a closed network with enhanced security. possible.
  • an onboarding procedure is required to perform a 5G user's network slice subscriber application, authority confirmation, and provisioning.
  • a user terminal provides an integrated and efficient vertical slicing onboarding procedure for premium streaming or access to an institution's internal network.
  • a technical problem to be achieved by the present invention is to provide a system and method for performing a network slice service in an integrated and efficient manner using a network slice app and a network slice agent in network slicing onboarding.
  • the present invention provides a system and method for efficiently performing network slice service subscription, authority confirmation, and resource allocation using a network slice profile.
  • the present invention provides a system and method capable of efficiently performing network slicing onboarding for access to a high-speed or high-resolution premium streaming service or a closed network requiring selective security.
  • the network slicing onboarding system includes a service request receiver for receiving closed network use service request information from a dedicated network slice app installed in a user terminal; a service subscription confirmation unit that checks whether to subscribe to a network slice service and information on a mobile communication network linkage policy in response to the service request information; a network slice profile setting unit configured to set a network slice profile enabling a PDU session to be established for a network slice corresponding to the closed network service through a network slice agent of the user terminal; and a network slice profile transmitter for transmitting the network slice profile to the user terminal.
  • the network slice profile may further include Network Slice Selection Assistance Information (NSSAI) used for selecting and using the network slice or Data Network Name (DNN) information for identifying a data network.
  • NSSAI Network Slice Selection Assistance Information
  • DNN Data Network Name
  • the closed network use service is a 5G-based in-house wireless service network service
  • the network slice profile may further include service QoS information designating the quality and level of the used service.
  • the onboarding system may further include a network slice agent providing unit providing the network slice agent to the user terminal.
  • the network slicing onboarding system may be implemented on a DMZ (Demilitarized Zone) network blocked by a firewall and a network slice service system providing the network slice service.
  • DMZ Demilitarized Zone
  • the onboarding system further includes a firewall setting unit for setting and managing a firewall for maintaining security with the network slice service system or the mobile communication network.
  • a network slicing onboarding method includes a service subscription application receiving step of receiving closed network service application information from a network slice dedicated app installed in a user terminal; a service subscription confirmation step of confirming whether to subscribe to a network slice service and information on a mobile communication network linkage policy in response to the closed network use service application information; generating a network slice profile enabling a PDU session to be established for a network slice corresponding to the closed network service through a network slice agent of the user terminal; and a network slice profile transmission step of transmitting the generated network slice profile to a user terminal.
  • a network slice agent providing step of providing the user terminal with a network slice agent capable of establishing a PDU session of the network slice using the network slice profile is further included.
  • the network slice profile may further include Network Slice Selection Assistance Information (NSSAI) used for selection and use of the network slice or Data Network Name (DNN) information for identifying a data network.
  • NSSAI Network Slice Selection Assistance Information
  • DNN Data Network Name
  • the closed network use service is a 5G-based in-house wireless service network service
  • the network slice profile may further include service QoS information designating the quality and level of the used service.
  • the user terminal can perform service application, authority check, resource allocation and PDU session-based service use procedures in an integrated manner using a network slice dedicated app and a network slice agent.
  • a network slice agent can integrally perform various network slice-based private network applications using a network slice profile.
  • FIG. 1 illustrates an environment in which a network slicing onboarding system according to an embodiment of the present invention operates.
  • FIG. 2 is a block diagram showing the configuration of a network slicing onboarding system according to an embodiment of the present invention.
  • FIG. 3 is a diagram showing an example of data used in the network slicing onboarding system according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a service process using a network slice according to an embodiment of the present invention.
  • FIG. 5 is a block diagram showing a configuration related to authentication of a dedicated network for network slices according to an embodiment of the present invention.
  • FIG. 6 is a diagram illustrating a signal flow for a network slicing onboarding method according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an onboarding procedure of a network slice providing a closed network service according to an embodiment of the present invention.
  • a “module” includes a unit composed of hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit.
  • a module can be an integral part or a minimal unit or part thereof that performs one or more functions.
  • the module may be composed of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • TS23.501 of 3GPP (3rd Generation Partnership Project), which establishes the 5th generation mobile communication system standards, describes network slicing to support vertical applications (3gpp TS23.501 chapter 5.15) and each vertical application system has its own network It presents a technical standard (3gpp TS23.501 chapter 5.15.10) that can manage subscribers accessing slice through its own authentication system.
  • a network slice is a virtual dedicated mobile network that satisfies a specific quality of service.
  • FIG. 1 illustrates an environment in which a network slicing onboarding system according to an embodiment of the present invention operates.
  • the user terminal 10 includes a network slice dedicated app 11 and a network slice agent 200 .
  • a user terminal is a variety of smart devices connected to a 5G mobile communication network, and may include a communication module and a display module.
  • the network slice service system 300 may be any service system providing a service satisfying a specific quality of service.
  • a streaming service providing multimedia content a service dedicated to autonomous driving, a smart factory IoT service, and a virtual internal closed network service implemented in a 5G mobile communication network may be applicable.
  • the network service system 300 may include a service server 310 providing services, a service internal network 320, and a plurality of switches capable of communicating with the mobile communication network 20 and the network slicing onboarding system 100.
  • the mobile communication network 20 is a mobile communication network conforming to the 5G communication standard.
  • the 5G mobile communication network 20 may include the base station 21 and the AUSF 22, PCF 23, SMF 24, AMF 25, and UPF 26 in units of network functions.
  • the base station 21 performs wireless communication with the user terminal 10 in an RF frequency band.
  • An Access and Mobility Function (AMF) 25 supports mobility with subscriber authentication data, and an Authentication Server Function (AUSF) 22 performs authentication of a user terminal using subscriber authentication data.
  • AMF Access and Mobility Function
  • AUSF Authentication Server Function
  • a Session Management Function (SMF) 24 manages session maintenance/release for a plurality of connection sessions, and a Policy Control Function (PCF) 23 determines policies related to mobility and session management.
  • SMF Session Management Function
  • PCF Policy Control Function
  • a user plane function (UPF) 26 transfers a packet transmitted from a user terminal to a data network (DN).
  • DN data network
  • the network slicing onboarding system 100 performs network slice onboarding between the network slice system 300 and the user terminal 10 .
  • the network slicing onboarding system 100 can be implemented on a DMZ (Demilitarized Zone) network blocked by a firewall from the network slice service, and can be implemented as a web server or FTP server so that it can be accessed from the outside.
  • DMZ Demilitarized Zone
  • the network slicing onboarding system 100 thus implemented supports the user terminal 10 to use the network slice by confirming the service subscription and authority of the user, installing the network slice profile, and distributing the network slice agent 200 .
  • FIG. 2 is a block diagram showing the configuration of a network slicing onboarding system according to an embodiment of the present invention.
  • the network slicing onboarding system 100 includes a service request receiving unit 110, a service subscription confirmation unit 120, a network slice profile ID generation unit 130, a network slice profile setting unit 140, and a mobile communication network-profile storage unit ( 150), a network slice profile transmission unit 160, a network slice agent providing unit 170, an API providing unit 180, and a firewall setting unit 190.
  • the service request receiving unit 110 receives information about the service request from the network slice dedicated app 11 .
  • the service subscription checking unit 120 checks whether to subscribe to the network slice service and information on a mobile communication network interworking policy in response to the service request.
  • the network slice profile ID generation unit 130 generates an ID of a profile to be set in the assigned network slice for the user whose subscription is confirmed.
  • the network slice profile ID is an identifier for a profile setting a dedicated slice corresponding to a specific network slice service.
  • the network slice profile setting unit 140 creates a profile through which the user terminal can use the network slice, including the network slice profile ID.
  • the generated network slice profile is stored in the mobile communication network-profile storage unit 150 and provided to the user terminal through the network slice profile transmitter 160.
  • the network slice agent provider 170 provides a network slice agent through which a user terminal can establish a PDU session using the network slice profile.
  • the API providing unit 180 provides an API capable of adding a function for the network slice dedicated app 11 to access and operate the network slicing onboarding system 100 .
  • the firewall setting unit 190 sets and manages a firewall that maintains security with the network slice service system or mobile communication network through which the network onboarding system 100 communicates.
  • FIG. 3 is a diagram showing an example of data used in the network slicing onboarding system according to an embodiment of the present invention.
  • the network slice dedicated app 11 may be one of apps providing various vertical applications.
  • it could be an OTT app that provides high-speed and high-quality streaming services.
  • it may be a virtual internal network access app that can use data by accessing a closed network such as Wi-Fi or an in-house wireless service network of a specific institution or company.
  • the network slice dedicated app 11 can use network slices and has a function of supporting service subscription and network slicing onboarding for a user terminal for which network slice onboarding has not been performed.
  • an interface of a service subscription button may be provided, and service request data is transmitted to the service request receiving unit 110 through the corresponding interface.
  • the service request data may include service identification information (F1) of the network slice, service request information (F2), and service subscriber information (F3).
  • the service subscription confirmation unit 120 refers to service subscription and authorization information (T1) and communication operator synchronization policy information (T2) for authorization authentication.
  • the network slice profile setting unit 140 sets the network slice profile so that the service subscriber of the user terminal can use the network slice.
  • the network slice profile includes Network Slice Selection Assistance Information (NSSAI) (S1) used to select and use network slices, Data Network Name (DNN) (S2) that identifies data networks, and fixed or flexible for a specific network slice to be used by the user. It includes information about the network slice profile ID (S3) assigned to or service QoS (S4) designating the quality and level of service.
  • NSSAI Network Slice Selection Assistance Information
  • DNN Data Network Name
  • S4 service QoS
  • the network slice profile described above is used by the network slice agent 200 distributed to the user terminal to enable use of a service using a network slice.
  • the network slice agent 200 decodes or decodes the information of the network slice profile generated by the network slicing onboarding system 100 and provides the information to enable the use of the 5G network slice service to the mobile communication network.
  • the network slice agent 200 supports the flow of network slice-based private network application data using the received network slice profile until the network slice profile is updated.
  • FIG. 4 is a diagram illustrating a service process using a network slice according to an embodiment of the present invention.
  • the network slicing onboarding system 100 receives a request for a network slice application service through the network slice dedicated app 11 and confirms subscription.
  • a network slice profile is set and provided to the network slice agent 200, and the network slice agent 200 refers to the network slice profile information to add application-specific slice information when creating a PDU session.
  • the created PDU session creates a tunnel for a service dedicated to a network slice, and the PDU session supports distribution of data of a virtual private network based on a network slice.
  • a network slice can be created by a virtual private network that provides 8K high-quality media streaming, and high-quality media streaming with a corresponding quality can be provided.
  • a dedicated network capable of accessing an internal closed network of an institution or company is created, and it is also possible to create a PDU session having access rights to a specific folder of the closed network.
  • FIG. 5 is a block diagram showing a configuration related to authentication of a dedicated network for network slices according to an embodiment of the present invention.
  • the dedicated network authentication unit 300 may perform authentication for use of the dedicated network.
  • the dedicated network authentication unit 330 communicates with the SMF 24 to check whether a user terminal accessing the internal network 320 is accessible through the generated PDU session, and controls the switch to control the internal network through the generated PDU session. 320) may be supported.
  • FIG. 6 is a diagram illustrating a signal flow for a network slicing onboarding method according to an embodiment of the present invention.
  • step S100 the user terminal 10 transmits a service subscription request to the network slicing onboarding system 100.
  • the service subscription application may use a function provided to a dedicated network slice app installed in the user terminal 10 .
  • the service subscription application function may be implemented ex post using an API distributed by the network onboarding system 100 .
  • the service request data may include service identification information (F1) of the network slice, service request information (F2), and service subscriber information (F3).
  • the network onboarding system 100 communicates with the network service system 300 or the mobile communication network 20 to perform service subscription confirmation (S110).
  • service subscription confirmation refer to service subscription and authority information (T1) and communication operator activation policy information (T2).
  • the network onboarding system 100 creates a network slice profile using a network slice-based application (S120).
  • the network slice profile includes Network Slice Selection Assistance Information (NSSAI) (S1) used to select and use network slices, Data Network Name (DNN) (S2) that identifies data networks, and fixed or flexible for a specific network slice to be used by the user. It may include information about the network slice profile ID (S3) assigned to or service QoS (S4) designating the quality and level of service.
  • NSSAI Network Slice Selection Assistance Information
  • DNN Data Network Name
  • S4 service QoS
  • the network slicing onboarding system 100 provides a network slice agent to perform installation (S130).
  • the network slice agent 200 decodes or decodes the information of the network slice profile generated by the network slicing onboarding system 100 and provides the information to enable the use of the 5G network slice service to the mobile communication network.
  • the network slice agent 200 enables the flow of network slice-based private network application data by using the received network slice profile until the network slice profile is updated.
  • step S140 the network slicing onboarding system 100 transmits the network slice profile, and the network slice agent uses the information included in the network slice profile to generate PDUs between the user terminal 20 and the network service system 200.
  • a dedicated service may be provided by creating a session (S150).
  • the created PDU session creates a tunnel for a service dedicated to a network slice, and the PDU session supports distribution of data of a virtual private network based on a network slice.
  • a network slice can be created by a virtual private network that provides 8K high-quality media streaming, and high-quality media streaming with a corresponding quality can be provided.
  • a dedicated network capable of accessing an internal closed network of an institution or company is created, and it is also possible to create a PDU session having access rights to a specific folder of the closed network.
  • FIG. 7 is a diagram illustrating an onboarding procedure of a network slice providing a closed network service according to an embodiment of the present invention.
  • the network slice dedicated app that provides the internal network of the institution provides 6 storage spaces of A, B, C, D, F and G inside the internal network.
  • the storage space (A, B, C, D, F) stores data that can be accessed through user authentication of a dedicated app.
  • the service corresponding to the storage space G (NS2) stores work data that requires security, and the data in the storage space G can only be accessed through an in-house private network or through in-house Wi-Fi authentication.
  • In-house WIFI corresponds to a closed network that can only be accessed through pre-authenticated users and devices within the area corresponding to the WIFI coverage, and it is impossible to access the storage space G if it is not registered on the closed network.
  • 5G's network slice service makes it possible to build a network slice into a closed network, such as an in-house WIFI. Therefore, institutions can build a closed network that provides communication quality provided by 5G while maintaining security like in-house Wi-Fi.
  • the network slicing onboarding system 100 may provide an interface for requesting subscription to the service.
  • the network slicing onboarding system 100 performs authority check and network slice ID assignment and generation.
  • a network slice profile may be created and a network slice agent capable of using the profile may be distributed to user terminals.
  • the installation completion screen is provided to the user, and the user terminal stores the storage space G of the closed network based on the speed and quality predetermined in the network slice service (NS2). access to and access to.
  • NS2 network slice service
  • a computer-readable recording medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Program instructions recorded on a computer-readable recording medium may be specially designed and configured for the embodiment of the present invention, or may be known and usable to those skilled in the art in the field of computer software.
  • Computer-readable recording media include magnetic recording media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CD-ROMs and DVDs, magneto-optical media such as floptical disks, ROMs, RAMs, and flash memories.
  • Program instructions include machine language codes generated by a compiler and high-level language codes that can be executed on a computer using an interpreter.
  • the hardware may be configured to act as one or more software modules to process the method according to the present invention and vice versa.
  • the method according to an embodiment of the present invention may be executed in an electronic device in the form of program commands.
  • Electronic devices include portable communication devices such as smart phones and smart pads, computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, and home appliances.
  • a method according to an embodiment of the present invention may be provided by being included in a computer program product.
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product may be distributed in the form of a machine-readable recording medium or online through an application store. In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a storage medium such as a manufacturer's server, an application store server, or a relay server's memory.
  • Each component for example, a module or program, according to an embodiment of the present invention may be composed of one or more sub-components, and some of these sub-components may be omitted or other sub-components may be added.
  • Some components may be integrated into one entity and perform the same or similar functions performed by each corresponding component prior to integration. Operations performed by modules, programs, or other components according to embodiments of the present invention are executed sequentially, in parallel, iteratively, or heuristically, or at least some operations are executed in a different order, are omitted, or other operations are added. It can be.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon un mode de réalisation de la présente invention, un système d'intégration de découpage réseau comprend : une unité de réception d'application de service permettant de recevoir des informations demandant un service d'utilisation de réseau fermé en provenance d'une application dédiée à une tranche de réseau installée dans un terminal utilisateur ; une unité de vérification d'abonnement à un service permettant de vérifier si un service de tranche de réseau est souscrit et des informations relatives à une politique de connexion au réseau de communication mobile, en réponse aux informations demandant le service d'utilisation de réseau fermé ; une unité de configuration de profil de tranche de réseau permettant de configurer un profil de tranche de réseau permettant d'établir une session PDU pour une tranche de réseau correspondant au service d'utilisation de réseau fermé au moyen d'un agent de tranche de réseau du terminal utilisateur ; et une unité de transmission de profil de tranche de réseau permettant de transmettre le profil de tranche de réseau au terminal utilisateur.
PCT/KR2021/019435 2021-09-02 2021-12-20 Système d'intégration de découpage réseau pour fournir un service de réseau fermé, et procédé associé WO2023120752A1 (fr)

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KR20210116985 2021-09-02
KR10-2021-0182381 2021-12-20
KR1020210182381A KR20230034113A (ko) 2021-09-02 2021-12-20 폐쇄망 서비스를 제공하는 네트워크 슬라이싱 온보딩 시스템 및 그 방법

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PCT/KR2021/019435 WO2023120752A1 (fr) 2021-09-02 2021-12-20 Système d'intégration de découpage réseau pour fournir un service de réseau fermé, et procédé associé

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KR20200055128A (ko) * 2017-10-16 2020-05-20 후아웨이 테크놀러지 컴퍼니 리미티드 세션 구축 방법과 시스템, 및 장치
KR20210044908A (ko) * 2018-10-18 2021-04-23 애플 인크. Plmn 내의 사설 슬라이스들에 대한 액세스 제어용 시스템들, 방법들, 및 디바이스들
US20210204207A1 (en) * 2018-05-26 2021-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for ue to request appropriate nssai in 5g
KR20210106882A (ko) * 2020-02-21 2021-08-31 유동호 이동 통신망의 버티컬 서비스를 제어하는 플랫폼 시스템 및 그 제어 방법

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
KR20200055128A (ko) * 2017-10-16 2020-05-20 후아웨이 테크놀러지 컴퍼니 리미티드 세션 구축 방법과 시스템, 및 장치
US20210204207A1 (en) * 2018-05-26 2021-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for ue to request appropriate nssai in 5g
KR20200020544A (ko) * 2018-08-17 2020-02-26 주식회사 케이티 5g 통신망에서 전용망 서비스 방법 및 그 시스템
KR20210044908A (ko) * 2018-10-18 2021-04-23 애플 인크. Plmn 내의 사설 슬라이스들에 대한 액세스 제어용 시스템들, 방법들, 및 디바이스들
KR20210106882A (ko) * 2020-02-21 2021-08-31 유동호 이동 통신망의 버티컬 서비스를 제어하는 플랫폼 시스템 및 그 제어 방법

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