WO2014017629A1 - Système de communication, appareil de nœud, procédé et programme - Google Patents

Système de communication, appareil de nœud, procédé et programme Download PDF

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Publication number
WO2014017629A1
WO2014017629A1 PCT/JP2013/070315 JP2013070315W WO2014017629A1 WO 2014017629 A1 WO2014017629 A1 WO 2014017629A1 JP 2013070315 W JP2013070315 W JP 2013070315W WO 2014017629 A1 WO2014017629 A1 WO 2014017629A1
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WO
WIPO (PCT)
Prior art keywords
access network
terminal
network
mobile communication
filtering
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Ceased
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PCT/JP2013/070315
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English (en)
Japanese (ja)
Inventor
拓也 久保
田村　利之
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NEC Corp
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NEC Corp
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Filing date
Publication date
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Publication of WO2014017629A1 publication Critical patent/WO2014017629A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data

Definitions

  • the present invention is based on a Japanese patent application: Japanese Patent Application No. 2012-167235 (filed on July 27, 2012), and the entire description of the application is incorporated herein by reference.
  • the present invention relates to a communication system, a node device, a method, and a program.
  • a mobile operator uses GSM (registration) defined by 3GPP for communication from a mobile terminal (UE) of a subscriber.
  • GSM registration
  • WCDMA registered trademark
  • LTE Long Term Evolution
  • 3GPP2 stipulated CDMA, CDMA2000, WiMAX, PHS and other access networks (hereinafter referred to as mobile communication access network), for example, Wi-Fi (Wireless Fidelity: Wi-Fi is Focusing on offloading (diverted) switching to other networks, such as wireless LAN (Local Area Network) using Wi-Fi Alliance registered technology, wireless LAN access points (simply access points, or Actively promote off-road measures such as expansion of hot spots) That.
  • Wi-Fi refers to a test conducted by the Wi-Fi Alliance to verify the interoperability compatibility of IEEE (The Institute of Electrical and Electronics Electronics Inc) 802.11 series wireless LANs. .
  • filtering for adolescents is performed on the mobile network.
  • the mobile operator -Restrict access destinations and restrict access except for specific sites.
  • the content filter monitors communication between the Internet and a mobile terminal using a gateway (gateway node) on the mobile operator's network, and connects to an access restriction target based on, for example, URL (Universal Resource Locator) information. Or filtering according to the content of the page, or a combination of these.
  • a mobile terminal is connected to the Internet via a wireless LAN network in a wireless LAN network environment such as Wi-Fi (for example, within a public wireless LAN access point area such as a cafe, a fast food restaurant, a station, or an airport).
  • Wi-Fi for example, within a public wireless LAN access point area such as a cafe, a fast food restaurant, a station, or an airport.
  • the communication by the mobile terminal (UE) is outside the scope of the filtering service by the mobile operator.
  • the mobile terminal (UE) of the child (youth) enters the coverage (range) of a network other than the mobile operator, such as a Wi-Fi network, and the mobile phone of the child (youth) If the communication from the terminal (UE) is offloaded from the mobile communication access network to a network other than the mobile communication access network, such as a Wi-Fi network, the filtering service by the mobile operator is not implemented and the child (youth) There is a problem that it is impossible to restrict access to harmful sites by mobile terminals (for example, children cannot be protected from harmful sites).
  • a network other than the mobile operator such as a Wi-Fi network
  • the access network discovery selection function ANDSF (Access Network Discovery and Selection Function) is connected to a mobile terminal (UE) such as a mobile communication access network or an access network other than the mobile communication access network such as Wi-Fi. It is possible to provide information on connectable access networks.
  • the portable terminal (UE) includes an antenna and a wireless unit that wirelessly communicate with a portable network, and an antenna and a wireless unit that wirelessly communicate with a network other than a portable network.
  • ANDSF for example, 3GPP TS24.312 V.11 (3rd Generation Partnership Project; Technical Technical Specification Group Core Core Network and Terminals; Access Network Discovery and Selection Selection Function (ANDSF) Management Object (MO) (Release 11)
  • 3GPP TS24.312 V.11 3rd Generation Partnership Project; Technical Technical Specification Group Core Core Network and Terminals; Access Network Discovery and Selection Selection Function (ANDSF) Management Object (MO) (Release 11)
  • 3GPP TS24.312 V.11 3rd Generation Partnership Project; Technical Technical Specification Group Core Core
  • a mobile terminal enters the coverage (range) of a network other than a mobile communication access network such as Wi-Fi, and the mobile operator is offloaded to a network other than the mobile communication access network
  • the terminal is an adult, it may be offloaded easily, but if the user of the mobile terminal (UE) is a youth, it needs to be done carefully. That is, for mobile terminals (UE) that require filtering processing (for example, the youth mobile terminal in FIG. 1), it is possible to provide a filtering service by a mobile operator, as in the case of access to a normal mobile communication access network. It is desirable to realize a safe network usage environment.
  • the present invention has been made in view of the above-described problems, and its purpose is when a terminal is offloaded from a mobile communication access network to another radio access network or connected to the radio access network.
  • a terminal an access network other than a mobile communication access network capable of connecting the terminal and the Internet, and an access other than the terminal and the mobile communication access network
  • a node that controls connection with a network and when the terminal connects to an access network other than the mobile communication access network, the node refers to subscriber information of the terminal, and When it is determined whether or not the terminal is set as an execution target of the filtering process, and it is determined that the terminal corresponds to the execution target of the filtering process, the terminal performs the filtering process from an access network other than the mobile communication access network Connect to the Internet via a network that can The identity of the other access network for a communication system for notifying the terminal is provided.
  • a terminal and a node on an access network that is an offload destination from a mobile communication access network are provided, and when the node receives a packet transmitted from the terminal, Reference is made to flag information indicating whether or not a subscriber of the terminal corresponds to a predetermined filtering process execution target, and when the packet is from a filtering process execution target terminal, the output destination of the packet
  • a communication system is provided for automatically policy routing to a network that performs filtering.
  • a node device for controlling connection of an access network other than a mobile communication access network capable of connecting a terminal and the Internet, wherein the terminal is other than the mobile communication access network.
  • the subscriber information of the terminal is referred to, it is determined whether or not the terminal is set as a filtering process execution target, and the terminal becomes a filtering process execution target.
  • the terminal notifies the terminal of identification information of the other access network for connecting to the Internet via a network that can perform filtering processing from an access network other than the mobile communication access network.
  • a node device is provided.
  • a node device for controlling connection from a mobile communication access network capable of connecting a terminal and the Internet to a node on an offload destination access network, which is transmitted from the terminal.
  • the subscriber of the terminal refers to flag information as to whether or not the filtering process is performed, and if the packet is from the filtering process performed terminal, the packet output
  • a node device is provided that automatically policy-routes the destination to a network that performs filtering processing.
  • a node that controls connection of an access network other than the mobile communication access network that can connect the terminal and the Internet is configured such that the terminal When connecting to an access network, the node refers to subscriber information of the terminal to determine whether or not the terminal is set as a filtering process target, and the terminal performs a filtering process target. If the terminal is determined to fall under the above, identification information of the other access network for connecting to the Internet via a network in which the terminal can perform filtering processing from an access network other than the mobile communication access network is transmitted to the terminal.
  • a communication method of notifying is provided.
  • a communication method is provided in which when the packet is from a terminal that is subject to filtering processing, the destination of the packet is automatically policy-routed to a network that performs filtering processing.
  • the terminal accesses the mobile communication access to a computer that constitutes a node device that controls connection of an access network other than the mobile communication access network that can connect the terminal and the Internet.
  • the subscriber information of the terminal is referred to, it is determined whether or not the terminal is set as a filtering process execution target, and the terminal performs the filtering process. If the terminal is determined to fall under the target, the identification information of the other access network for connecting to the Internet via a network in which the terminal can perform filtering processing from an access network other than the mobile communication access network, Pro to execute processing to notify Lamb is provided.
  • the terminal when a packet transmitted from a terminal is received by a computer constituting a gateway on an offload destination access network from a mobile communication access network, the terminal performs a predetermined filtering process.
  • a computer-readable recording medium such as a semiconductor memory in which the program according to the aspect 7 or 8 is recorded, and a magnetic disk / optical disk.
  • the terminal when a terminal is offloaded from a mobile communication access network to another radio access network or connected to another radio access network, the terminal is offloaded or connected to a radio access network suitable for the terminal. It is possible to connect to a filtering-accessible radio access network.
  • FIG. 1 is a diagram illustrating a first exemplary embodiment of the present invention. It is a figure which shows the sequence of the 1st Embodiment of this invention. It is a figure which shows the sequence of the 2nd Embodiment of this invention.
  • a communication terminal (UE) enters another radio access network area that can be offloaded from a mobile communication access network
  • the subscriber information of the communication terminal (UE) is referred to, and the communication terminal (UE) It is determined whether or not (UE) is a predetermined filtering target. If it is determined that it is a filtering target, information for connecting to the network that performs filtering processing on the communication terminal (UE) is transmitted to the communication terminal (UE).
  • the communication terminal (UE) enters the coverage (range) of an access network other than the mobile communication access network (network other than the mobile phone), and the mobile operator accesses the mobile communication.
  • the ANDSF sends information that enables offload to the access network corresponding to the communication terminal (UE) to the communication terminal (UE). )
  • the communication terminal As another access network of the offload destination An access network connected to a network that performs a filtering process of communication from (UE) is selected. For this reason, provision of the filtering service corresponding to a communication terminal (UE) is enabled.
  • FIG. 2 is a diagram showing a configuration of the entire system according to the first embodiment of the present invention.
  • a communication terminal (UE) 10 is connected to the Internet 40 via a mobile communication access network 20.
  • the communication terminal (UE) 10 includes an antenna and a wireless unit that wirelessly communicate with the mobile communication access network 20 (mobile network), and an antenna and a wireless unit that wirelessly communicate with an access network 30 other than the mobile communication access network. It shall be.
  • the communication terminal (UE) 10 is not limited to a mobile terminal, but may be a mobile terminal mounted on a vehicle or the like, or a fixed terminal installed in a home, the public, or the like.
  • the mobile communication access network 20 is connected to a 3G (3rd Generation) / LTE (Long Term Evolution) connection via a terminal device of GGSN (Gateway GPRS (General Packet Radio Service) Support Node) / PGW (Packet Data network Gateway).
  • GGSN Globalstar GPRS (General Packet Radio Service) Support Node)
  • PGW Packet Data network Gateway
  • the Internet 40 which is an external packet network.
  • the external packet network may be SIP (Session Initiation Protocol) -based IMS (IP Multimedia System) or the like.
  • Communication traffic from a communication terminal (UE) subject to a contract for the content filtering service is filtered by a gateway (GW) 21 on the mobile communication access network 20 to prevent access to an access-restricted site or the like.
  • the gateway (GW) 21 may be the above-described GGSN / PGW or the like.
  • Wi-Fi for example, public wireless such as a cafe, a fast food store, a station premises, an airport, etc.
  • the ANDSF 50 receives the subscriber information (UE) corresponding to the communication terminal (UE) 10 ( For example, it is determined whether or not the communication terminal (UE) 10 is a content filtering target by referring to a contract condition, an identification number, and the like. If the communication terminal (UE) 10 is a content filtering target, it is turned off.
  • the ANDSF 50 can be used as an access network 30 other than an offload destination mobile communication access network for a communication terminal (UE) 10 that is a content filtering target, for example, a mobile operator network having a gateway 21 that performs content filtering. Notifies the identification information of the access network to be connected.
  • the communication terminal (UE) 10 that has received this notification connects to the Internet 40 via a node (gateway (GW) 21) that performs filtering from an access network 30 other than the off-road destination mobile communication access network.
  • GW node
  • information on whether or not the communication terminal (UE) 10 is a content filtering target is managed by subscriber profile information.
  • the subscriber profile information is stored in a home subscriber server HSS (Home Subscriber Server) 60 which is a subscriber database node.
  • HSS Home Subscriber Server
  • the ANDSF 50 refers to, for example, a subscriber profile repository SPR (Subscriber Profile Repository) that stores subscriber profile information and a user data repository UDR (User Data Repository). You may do it.
  • SPR Subscriber Profile Repository
  • UDR User Data Repository
  • FIG. 3 is a diagram for explaining the operation principle of the first embodiment.
  • the mobile operator sets two identification codes SSID (Service (Set Identifier) in a wireless access network such as Wi-Fi.
  • the SSID is an identifier of an IEEE 802.1x wireless network (wireless AN access point), and is used by a wireless device for establishing and maintaining a wireless connection.
  • a plurality of different SSIDs can be set in one wireless access point (WLAN AP).
  • the communication terminal (UE) can make a connection request (association request) to the wireless LAN access point regardless of which SSID is used.
  • the mobile communication access network includes ANDSF 50, 3GPP (3rd Generation Partnership Project), AAA (Authentication, Authorization, Accounting), HSS 60, and gateway 21.
  • a wireless LAN network which is an access network other than the mobile communication wireless access network (30 in FIG. 2), includes a wireless LAN access point (WLAN AP) for wireless communication with a communication terminal (UE) and a wireless LAN access point (WLAN AP). And a wireless LAN gateway (WLG) connected to the Internet and a portable (mobile) operator network.
  • WLAN AP wireless LAN access point
  • UE communication terminal
  • WLAN AP wireless LAN access point
  • WGW wireless LAN gateway
  • the ANDSF 50 receives a request from a communication terminal (UE) in a wireless LAN environment (within a radio access network), accesses the HSS 60, refers to subscriber information corresponding to the communication terminal (UE), and ) Is a content filtering target.
  • SSID a
  • VLAN Virtual LAN
  • WLAN AP wireless LAN access point
  • WSG wireless LAN gateway
  • WLAN AP wireless LAN access point
  • WLG wireless LAN gateway
  • WLG wireless LAN gateway
  • FIG. 4 is a sequence diagram illustrating the operation flow of the embodiment.
  • the UE, AP, WLG, 3GPP AAA, HSS, and ANDSF in FIG. 4 correspond to the UE, WLAN AP, WLG, 3GPP AAA, HSS, and ANDSF in FIG. 3, respectively.
  • Sequence 1 When the communication terminal (UE) enters the coverage (coverage) of an access network (wireless LAN access point) other than the mobile communication access network, the communication terminal (UE) makes an access network information request (access network) to the ANDSF. information request).
  • an access network information request access network
  • Sequence 2 The ANDSF that has received the access network information request from the communication terminal (UE) uses the subscriber identification number included in the access network information request message as a key, and the subscriber information request (HS) as a HSS. Send to.
  • the HSS receives a subscriber information request for a communication terminal (UE) from the ANDSF, the HSS determines whether the communication terminal (UE) is a content filtering target.
  • 3GPP AAA performs authentication with HSS.
  • EAP Extensible Authentication Protocol
  • SIM Subscriber Identity Module
  • GSM Global System for Mobile communications
  • Wi-Fi Wireless Fidelity
  • Sequence 7 If the authentication is successful, the user traffic (data traffic) of the communication terminal (UE) is transferred to the operator network via the wireless LAN access point (AP) and the gateway (WLG). A predetermined filtering process according to the service contract content of the communication terminal (UE) is performed in the gateway (21 in FIG. 2) of the operator network. As a result, access to the harmful site or the like of the communication terminal (UE) is blocked.
  • the downlink data is transferred from the Internet, operator network, gateway (WLG), and wireless LAN access point (AP) to the communication terminal (UE).
  • the function of the ANDSF may be realized by a program executed by a computer constituting the ANDSF.
  • Embodiment 2 of the present invention will be described.
  • the traffic of the communication terminal (UE) subject to content filtering is forcibly redirected to the operator network by the wireless LAN controller (WLC) without using the ANDSF described in the first embodiment.
  • Content filtering is performed on the operator network.
  • an authentication protocol (RADIUS, Diameter) transmitted / received between WLG-3GPP AAA-HSS is extended, and a filter flag indicating whether or not content filtering is necessary is added.
  • FIG. 5 is a diagram illustrating a sequence operation example according to the second embodiment of the present invention.
  • Sequence 1 When a communication terminal (UE) enters an area within an access network (wireless LAN access point) other than the mobile communication access network, it transmits a connection request (association request) to the wireless LAN access point (AP).
  • association request the SSID of the radio access network is not specified as in the first embodiment.
  • the wireless LAN access point (AP) periodically transmits a beacon signal to the client in the wireless access network, and the communication terminal (UE) transmits the probe request packet (SSID (ESS-ID set in the communication terminal (UE)).
  • SSID ESS-ID set in the communication terminal (UE)
  • Extended Service Set Identifier is transmitted to search for a wireless LAN access point, and if the wireless LAN access point is the same SSID (ESS-ID), a probe response packet is returned to the communication terminal (UE).
  • the communication terminal (UE) may transmit an association request to the wireless LAN access point.
  • Sequence 2 At the time of authentication of the communication terminal (UE), the wireless LAN gateway (WLG) determines whether the communication terminal (UE) is a content filtering processing target communication terminal (UE) via 3GPP AAA. The filter flag mounted on the authentication response message is received from (HSS).
  • Sequence 3 When the wireless LAN gateway (WLG) receives an IP (Internet Protocol) packet transmitted from the communication terminal (UE), the IP packet is a packet from the communication terminal (UE) subject to content filtering processing (IP packet)
  • IP packet IP packet
  • the packet header source IP address is the IP address of the communication terminal (UE) to be filtered)
  • the IP packet is forcibly (unconditionally) redirected to the operator network by the wireless LAN controller (WLC)
  • Content filtering processing is performed on the operator network.
  • the wireless LAN controller (WLC) may be mounted on the wireless LAN gateway (WLG), or the wireless LAN gateway (WLG) may execute the function of the wireless LAN controller (WLC). .
  • the function of the wireless LAN gateway (WLG) may be realized by a program executed by a computer constituting the wireless LAN gateway (WLG).
  • the filtering service can be provided by redirecting the communication terminal (UE) to be subjected to the filtering process to the mobile operator's network.
  • UE communication terminal
  • GW Gateway
  • Access networks other than mobile communication access networks other networks
  • Internet Internet 50
  • ANDSF access network discovery selection function
  • HSS Home Subscriber Server

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/JP2013/070315 2012-07-27 2013-07-26 Système de communication, appareil de nœud, procédé et programme Ceased WO2014017629A1 (fr)

Applications Claiming Priority (2)

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JP2012167235 2012-07-27
JP2012-167235 2012-07-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016148224A1 (fr) * 2015-03-19 2016-09-22 日本電気株式会社 Dispositif de commande, système de communication, dispositif de fourniture de fonction réseau, dispositif de communication, procédé de communication, et programme
JP2016220044A (ja) * 2015-05-20 2016-12-22 株式会社Ｎｔｔドコモ 通信制御装置、端末装置および移動体通信システム
WO2023013078A1 (fr) * 2021-08-06 2023-02-09 株式会社Ｎｔｔドコモ Nœud de réseau et procédé de communication

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JP2009253431A (ja) * 2008-04-02 2009-10-29 Alcatel-Lucent Usa Inc Ｉｕインターフェースを有するＵＭＴＳフェムトセル解法においてＰＳトラフィックをオフロードする方法。
JP2009271842A (ja) * 2008-05-09 2009-11-19 Fujitsu Ltd ウェブサーバへのアクセス制限方法、フェムトセル基地局装置及びアクセス制限判断装置
WO2010041440A1 (fr) * 2008-10-08 2010-04-15 パナソニック株式会社 Système de commutation d’interface, nœud mobile, nœud mandataire et nœud de gestion mobile
WO2012032782A1 (fr) * 2010-09-09 2012-03-15 パナソニック株式会社 Système de communication, procédé de communication, terminal mobile et dispositif de station de base

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2009253431A (ja) * 2008-04-02 2009-10-29 Alcatel-Lucent Usa Inc Ｉｕインターフェースを有するＵＭＴＳフェムトセル解法においてＰＳトラフィックをオフロードする方法。
JP2009271842A (ja) * 2008-05-09 2009-11-19 Fujitsu Ltd ウェブサーバへのアクセス制限方法、フェムトセル基地局装置及びアクセス制限判断装置
WO2010041440A1 (fr) * 2008-10-08 2010-04-15 パナソニック株式会社 Système de commutation d’interface, nœud mobile, nœud mandataire et nœud de gestion mobile
WO2012032782A1 (fr) * 2010-09-09 2012-03-15 パナソニック株式会社 Système de communication, procédé de communication, terminal mobile et dispositif de station de base

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016148224A1 (fr) * 2015-03-19 2016-09-22 日本電気株式会社 Dispositif de commande, système de communication, dispositif de fourniture de fonction réseau, dispositif de communication, procédé de communication, et programme
JPWO2016148224A1 (ja) * 2015-03-19 2017-12-28 日本電気株式会社 制御装置、通信システム、ネットワーク機能提供装置、通信装置、通信方法及びプログラム
JP2016220044A (ja) * 2015-05-20 2016-12-22 株式会社Ｎｔｔドコモ 通信制御装置、端末装置および移動体通信システム
WO2023013078A1 (fr) * 2021-08-06 2023-02-09 株式会社Ｎｔｔドコモ Nœud de réseau et procédé de communication
JP7671354B2 (ja) 2021-08-06 2025-05-01 株式会社Ｎｔｔドコモ ネットワークノード及び通信方法

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