WO2009059533A1 - Procédé, dispositif et système de commande de gestion de stratégie - Google Patents

Procédé, dispositif et système de commande de gestion de stratégie Download PDF

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Publication number
WO2009059533A1
WO2009059533A1 PCT/CN2008/072860 CN2008072860W WO2009059533A1 WO 2009059533 A1 WO2009059533 A1 WO 2009059533A1 CN 2008072860 W CN2008072860 W CN 2008072860W WO 2009059533 A1 WO2009059533 A1 WO 2009059533A1
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WO
WIPO (PCT)
Prior art keywords
user
server
control information
service
policy control
Prior art date
Application number
PCT/CN2008/072860
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English (en)
Chinese (zh)
Inventor
Haifeng Duan
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2009059533A1 publication Critical patent/WO2009059533A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections

Definitions

  • the present invention relates to the field of communications, and in particular, to a policy management control method, apparatus, and system. Background technique
  • Various IP-based network access technologies allow people to easily access various terminals to the Internet or intranet networks.
  • Various network access technologies require a corresponding network access server (NAS, Network Access Server) device and an authentication and authorization accounting server (AAA, Autentication Authorization Accounting) device.
  • NAS Network Access Server
  • AAA Autentication Authorization Accounting
  • GPRS General Packet Radio Service
  • GGSN Gate GPRS Supporting Node
  • AAA AAA
  • the NAS device is responsible for accessing the user session from the bearer network of different standards to the IP service network, so that the user enjoys the services provided by various service servers in the IP service network, and the AAA device is responsible for the user session from the NAS device.
  • the user is authenticated and authorized. After the authentication and authorization are passed, the user session is charged.
  • the inventor has found that, at present, between the NAS device and the AAA device, the NAS device actively requests the AAA device to authenticate, authorize, and charge the user access session.
  • the NAS device and the various service servers in the IP service network request service services from the service servers through the NAS device.
  • the AAA server After the user passes the authentication and authorization and successfully accesses the IP service network, the AAA server will not actively talk to the user. Perform re-authentication, authorization, and update accounting.
  • the service server will perform corresponding control on the user's session, such as cutting off the user session or blocking the user's message based on the access IP address, port, and IP protocol number.
  • Service The user session status of the server will change.
  • the NAS device cannot understand the control action of the user server on the service server side, the user session on the NAS device side will remain in the original state, for example, when the service server has cut off the user session or is blocked.
  • the NAS device When the user accesses a packet based on the access IP address, the port, and the IP layer protocol number, the NAS device does not cut the user session or block the packet based on the access IP address, port, and IP layer protocol number accessed by the user.
  • the reliability of the user session on the NAS device side during service use is very low. Summary of the invention
  • the embodiments of the present invention provide a policy management control method, apparatus, and system, which can improve the reliability of a user session on a NAS device side during service usage.
  • the embodiment of the invention provides a policy management control server, and the server includes:
  • a policy generating unit configured to generate policy control information according to user service usage status information obtained by the service server and/or the authentication and authorization charging server, where the policy control information is used to instruct the network access server to manage the session of the user and Control
  • a policy sending unit configured to send the policy control information generated by the policy generating unit to the network access server.
  • the embodiment of the present invention provides a network system, where the network system includes a network access server, an authentication and authorization accounting server, and a service server.
  • the network system further includes: a policy management control server, configured to use the service
  • the user service usage status information obtained by the server and/or the authentication and authorization accounting server generates policy control information, where the policy control information is used to instruct the network access server to manage and control the session of the user; Sending the policy control information to the network server;
  • the network access server manages and controls the session of the user according to the policy control information.
  • an embodiment of the present invention provides a service server, including:
  • a service providing unit configured to provide a service service for a user
  • An obtaining unit configured to obtain service usage status information of the user
  • a session control unit configured to use, according to the obtaining unit, the service usage status letter of the user Controlling the session of the session user, so that the user uses the service service provided by the service providing unit within the scope of authority;
  • the service server further includes:
  • a policy management control unit configured to generate policy control information according to the service usage state information of the user obtained by the obtaining unit, where the policy control information is used to instruct the network access server to manage and control the session of the user; And sending the generated policy control information to the network access server.
  • the embodiment of the present invention provides a network system, including a network access server, an authentication and authorization accounting server, and a service server, where the service server includes:
  • a service providing unit configured to provide a service service for a user
  • An obtaining unit configured to obtain service usage status information of the user
  • a session control unit configured to control, according to the service usage status information of the user obtained by the obtaining unit, a session of the session user, so that the user uses a service service provided by the service providing unit within a scope of rights;
  • the service server further includes:
  • a policy management control unit configured to generate policy control information according to the service usage state information of the user obtained by the obtaining unit, where the policy control information is used to instruct the network access server to manage and control the session of the user; And sending the generated policy control information to the network access server.
  • the network access server manages and controls the session of the user according to the policy control information.
  • the embodiment of the present invention provides an authentication and authorization accounting server, which includes an authentication unit, an authorization unit, and a charging unit.
  • the authentication and authorization accounting server further includes:
  • an obtaining unit configured to obtain, according to the authentication unit, the authorization unit, and the user authentication and authorization charging information recorded by the charging unit, the service usage status information of the user;
  • a policy management control unit configured to generate policy control information according to the service usage state information of the user obtained by the obtaining unit, where the policy control information is used to instruct the network access server to manage and control the session of the user; And sending the generated policy control information to the network access server.
  • an embodiment of the present invention provides a network system, including a network access server and a certificate.
  • the authorization and accounting server includes an authentication unit, an authorization unit, and a charging unit.
  • the authentication and authorization accounting server further includes:
  • an obtaining unit configured to obtain, according to the authentication unit, the authorization unit, and the user authentication and authorization charging information recorded by the charging unit, the service usage status information of the user;
  • a policy management control unit configured to generate policy control information according to the service usage state information of the user obtained by the obtaining unit, where the policy control information is used to instruct the network access server to manage and control the session of the user; And sending the generated policy control information to the network access server.
  • the network access server manages and controls the session of the user according to the policy control information.
  • an embodiment of the present invention provides a policy management control method, including:
  • the embodiment of the present invention controls the network access server to manage and control the session of the user by using the business service state information generation policy control information obtained by the service server and/or the authentication and authorization accounting server, and can improve the NAS during the service use process.
  • FIG. 1 is a schematic structural diagram of an embodiment of a network system of the present invention
  • FIG. 2 is a schematic flowchart of a policy management control method in an embodiment of a network system according to the present invention
  • FIG. 3 is a schematic structural diagram of an embodiment of a network system according to the present invention
  • FIG. 4 is a schematic structural diagram of an embodiment of a network system of the present invention. detailed description
  • the network system of the first embodiment includes a network access server 10, an authentication and authorization accounting server 20, a service server 30, and a policy management control server 40, wherein
  • the network access server 10 is configured to access user sessions from different types of bearer networks to the IP service network to enable users to enjoy the service services provided by various service servers 30 in the IP service network.
  • the network access server 10 for example, a LAN/WLAN NAS, a GPSN, a Gate General Packet Radio Sevice Supporting Node (GGSN), a dial-up access server, a Dial-up NAS, or an Xdsl NAS.
  • the user session can be accessed from the bearer network of various standards such as a LAN/WLAN network, a GPRS/CDMAAVCDMA network, or a Dial-up Xdsl network to the IP service network.
  • the authentication and authorization accounting server 20 is configured to authenticate and authorize the user when the network access server 10 accesses the user session from the bearer network of different standards to the IP service network. After the authentication and authorization are passed, the user enjoys the user. In the service process provided by the various service servers 30, the user session is charged.
  • the authentication and authorization accounting server 20 can use traffic, time or other charging methods.
  • the service server 30 is configured to provide a variety of service services for users accessing the IP service network, such as web browsing, music download, etc., to obtain service usage status information of the user, and according to the obtained service of the user.
  • the user's session is controlled using status information to enable the user to use the service services provided by the service server 30 within the scope of authority.
  • the service server 30 may be a Wireless Application Protocol GateWay (MGW, Multimedia Messaging Service Centre).
  • MGW Multimedia Messaging Service Centre
  • CCG Content Charging Gateway
  • Stream Server Streaming Server
  • the network system of this embodiment further includes a policy management control server 40, configured to generate policy control information according to user service usage status information obtained by the service server 30 or/and the authentication and authorization charging server 20, where the policy control information is used to indicate the network.
  • the access server 10 manages and controls the session of the user; and sends the generated policy control information to the network access server 10.
  • the network access server 10 manages and controls the session of the user according to the policy control information.
  • the service server 30 controls the user's session, which may be a controlled service.
  • the control policy is sent to the network access server 10, so as to achieve the purpose of controlling the user's access side session; and the network access server 10 controls the user-side session according to the policy control information sent by the policy management control server 40, that is, the user.
  • the service server or the AAA server controls the network access server to control the session on the user side, the reliability of the user session on the NAS device side is improved.
  • the policy management control server 40 includes a policy generating unit 41 and a policy sending unit 42 , where the policy generating unit 41 is configured to generate policy control information according to the user service usage state information obtained by the service server 30, where the policy sending unit is used. 42.
  • the policy control information generated by the policy generating unit 41 is sent to the network access server 10.
  • the service server 30 may find that the user status is incorrect according to the user authentication and authorization charging information recorded by the authentication and authorization charging server 20, the prepaid user balance is insufficient, the credit amount of the postpaid user is insufficient, and the user is not allowed for a certain service.
  • the service server uses the status information of the service, and the service server 30 performs a control operation such as cutting off the access session of the user or blocking the user based on the access IP address, the port, and the IP protocol number according to the service usage status information.
  • the policy management control server 40 is inaccurate according to the user status obtained by the service server 30, the prepaid user balance is insufficient, the credit amount of the postpaid user is insufficient, and the user is not allowed to access the service.
  • Information, generating policy control information for example, generating policy control information of "cutting off user access session" according to "user status is incorrect” information; generating "blocking the user based access IP according to "prepaid and insufficient balance” information Policy control information for address messages.
  • the policy control information may be implemented based on a Radius protocol, a Diameter protocol, a COPS protocol, or a TCP/IP-based application protocol, where the policy control information includes information that can uniquely identify a user based on a user identifier (which may be a phone number, a mobile phone number, etc.) Policy control information or policy control information based on the user IP layer 5-tuple (source IP address, destination IP address, source port number, destination port number, and IP protocol number).
  • Table 1 shows the control interface and key parameters between the policy control server 40 and the network access server 10 based on the Radius protocol, the Diameter protocol, the COPS protocol, or the TCP/IP-based application protocol extension.
  • the policy control information in this embodiment is controlled by the relevant interface and parameters in Table 1.
  • the server 40 is sent to the network access server 10, for example, when the policy control server 40 generates a policy of "blocking the user based on the access IP address message" based on the information of "prepaid and insufficient balance" obtained by the service server 30.
  • the Visit-Ip parameter of the extension interface SubSessionCtrlRequest of the protocol data based on the Radius protocol, the Diameter protocol, the COPS protocol or the TCP/IP-based application protocol carries the "access IP address" information, and the "Action Block" is carried in the Action parameter item.
  • the information is sent to the network access server 10, and after the network access server 10 receives the protocol data, the content of the Visit-Ip parameter item and the Action parameter item of the extended interface item SubSessionCtrlRequest is parsed, and the content can be obtained.
  • the policy control information of the user based on accessing the IP address message is blocked.
  • Session ID needs to be re-recognized
  • ReAccessResponse needs to re-recognize and authorize the token and authorization
  • the policy management control server 40 may also generate policy control information according to the service usage state information of the user obtained by the authentication and authorization charging server 20.
  • FIG. 2 is a schematic flowchart of a policy management control method in an embodiment of a network system according to the present invention, as shown in FIG. 2
  • the policy management control method in the network system embodiment specifically includes:
  • Step S100 The service server or the authentication and authorization accounting server obtains the service usage status information of the user. For example, the service server may obtain the user status incorrectly, the prepaid user balance is insufficient, the postpaid user's credit limit is insufficient, and the user is for a certain service. Service status information such as access is not allowed.
  • Step S101 The policy management control server generates policy control information according to the service usage state information of the user obtained by the service server or the authentication and authorization accounting server, where the policy control information is used to instruct the network access server to manage the session of the user.
  • Control, session management control includes activating, discarding all IP packets of the IP access session, re-initiating authentication and authorization, packet loss, forwarding, mirroring, redirection, and deletion.
  • the policy management control server generates policy control information of "cutting off the user access session" according to the information of "the user status is incorrect"; generating “blocking the user based access IP address message according to the information of "prepaid and insufficient balance” Policy control information; or generate policy control information that requires the network access server to initiate authentication and authorization to the AAA server based on the user's service usage status information.
  • the policy control information may be implemented based on a Radius protocol, a Diameter protocol, a COPS protocol, or a TCP/IP-based application protocol, where the policy control information includes information that can uniquely identify a user based on a user identifier (which may be a phone number, a mobile phone number, etc.) Policy control information or policy control information based on the user IP layer 5-tuple (source IP address, destination IP address, source port number, destination port number, and IP protocol number).
  • Some of the control interfaces and protocol parameters based on the Radius protocol, Diameter protocol, COPS protocol or TCP/IP-based application protocol extension between the policy control server and the network access server are still referred to the foregoing Table 1.
  • Step S102 The policy management control server sends the policy control information to the network access server.
  • the network access server manages and controls the user session according to the policy control information. For example, when receiving the policy control information of "cutting off the user access session", performing the operation of cutting off the user access session; when receiving the policy control information requesting the network access server to initiate authentication and authorization to the AAA server again The network access server re-authenticates and authorizes the AAA server, and performs session control according to the response result of the AAA server.
  • FIG. 3 is a schematic structural diagram of an embodiment of a network system according to the present invention; as shown in FIG. 3, the difference between the embodiment and the foregoing embodiment is that the policy management control function is integrated in the service server in this embodiment, specifically,
  • the network system of this embodiment includes a network entry server 10, and an authentication and authorization fee. Server 20 and service server 50.
  • the service server 50 further includes a service providing unit 51, an obtaining unit 52, a session control unit 53, and a policy management control unit 54.
  • the service providing unit 51 is configured to provide a service service for the user;
  • the obtaining unit 52 is configured to obtain service usage status information of the user;
  • the session control unit 53 is configured to obtain the service of the user according to the obtaining unit 52.
  • the policy management control unit 54 is configured to obtain according to the obtaining unit 52.
  • the service usage status information of the user generates policy control information, and the generated policy control information is sent to the network access server 10.
  • the network access server 10 manages and controls the session of the user according to the policy control information.
  • the policy management control method in this embodiment specifically includes: the service server obtains service usage status information of the user; the service server generates policy control information according to the service usage status information of the user obtained by the service server, where the policy control information is used to indicate the network.
  • the access server manages and controls the user's session; the service server sends the policy control information to the network access server. After receiving the policy control information, the network access server establishes a user access session according to the policy control information.
  • the network access server manages and controls the user session according to the policy control information.
  • the network system of this embodiment includes a network access server 10, an authentication and authorization charging server 60, and a service server 30.
  • the authentication and authorization accounting server 60 further includes an authentication unit 61, an authorization unit 62, a charging unit 63, an obtaining unit 64, and a policy management control unit 65, where the authentication unit 61 is configured to authenticate the access user session.
  • the authorization unit 62 is configured to authorize the access user session;
  • the charging unit 63 is configured to charge the access user session;
  • the obtaining unit 52 is configured to use the authentication unit 61, the authorization unit 62, and the
  • the user authentication authorization charging information recorded by the charging unit 63 obtains the service usage status information of the user;
  • the policy management control unit 65 is configured to generate a policy according to the service usage status information of the user obtained by the obtaining unit 62. Controlling the information, and transmitting the generated policy control information to the network access server 10.
  • the network access server 10 manages and controls the session of the user according to the policy control information.
  • the policy management control method in this embodiment includes: the authentication and authorization accounting server obtains the service usage status information of the user; and the authentication authorization accounting server generates the policy control according to the service usage status information of the user obtained by the authentication and authorization accounting server.
  • the embodiment of the present invention controls the network access server to manage and control the session of the user by using the business service state information generation policy control information obtained by the service server and/or the authentication and authorization accounting server, and can improve the NAS during the service use process.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un système de réseau qui comporte un serveur d'accès au réseau (10), un serveur d'authentification, d'autorisation et de comptabilité (20, 60) et un serveur de service (30, 50). Le système comporte également un serveur de commande de gestion de stratégie (40) servant à créer des informations de commande de stratégie selon les informations d'un état d'utilisation d'un service utilisateur obtenu par le serveur de service (30, 50) et/ou le serveur d'authentification, d'autorisation et de comptabilité (20, 60) (S101), où on utilise les informations de commande de stratégie pour indiquer le serveur d'accès au réseau (10) pour gérer et commander une session d'utilisateur, et pour envoyer les informations de commande de stratégie créées au serveur d'accès au réseau (10) (S102). Le serveur d'accès au réseau (10) gère et commande la session de l'utilisateur selon les informations de commande de stratégie. L'invention concerne également un serveur de commande de gestion de stratégie (40), un serveur de service (30, 50) et un serveur d'authentification, d'autorisation et de comptabilité (20, 60). La fiabilité de la session de l'utilisateur côté dispositif NAS peut par conséquent être améliorée durant l'utilisation du service.
PCT/CN2008/072860 2007-10-29 2008-10-28 Procédé, dispositif et système de commande de gestion de stratégie WO2009059533A1 (fr)

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CNA2007100311195A CN101150853A (zh) 2007-10-29 2007-10-29 一种网络系统、策略管理控制服务器及策略管理控制方法

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CN102065426B (zh) * 2009-11-17 2013-09-18 中国移动通信集团公司 支撑网系统及数据传输控制方法
CN101741924B (zh) * 2009-12-09 2012-07-25 赛尔网络有限公司 支持IPv4环境下可扩展IPv6接入的业务控制方法
CN102098275A (zh) * 2009-12-14 2011-06-15 中兴通讯股份有限公司 控制用户策略的方法和装置
CN101945370B (zh) * 2010-09-25 2015-03-25 中兴通讯股份有限公司 一种实施动态策略控制的方法及系统
CN102196533B (zh) * 2011-04-15 2014-01-22 华为数字技术（成都）有限公司 网络接入控制方法及相关装置
CN102238547B (zh) * 2011-07-19 2013-12-04 华为软件技术有限公司 控制用户会话的方法、会话服务器、aaa服务器和系统
CN107666505B (zh) * 2016-07-29 2020-09-15 京东方科技集团股份有限公司 对资源接入进行控制的方法和装置

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