WO2008101421A1 - Système, dispositif et procédé de configuration automatique de terminaux d'application dans un réseau domestique - Google Patents

Système, dispositif et procédé de configuration automatique de terminaux d'application dans un réseau domestique Download PDF

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Publication number
WO2008101421A1
WO2008101421A1 PCT/CN2008/070198 CN2008070198W WO2008101421A1 WO 2008101421 A1 WO2008101421 A1 WO 2008101421A1 CN 2008070198 W CN2008070198 W CN 2008070198W WO 2008101421 A1 WO2008101421 A1 WO 2008101421A1
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WO
WIPO (PCT)
Prior art keywords
application terminal
home gateway
configuration
information
configuration server
Prior art date
Application number
PCT/CN2008/070198
Other languages
English (en)
French (fr)
Inventor
Zhiming Ding
Huangwei Wu
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.
Priority to EP08706575A priority Critical patent/EP2106079B1/en
Publication of WO2008101421A1 publication Critical patent/WO2008101421A1/zh
Priority to US12/535,167 priority patent/US20090292794A1/en
Priority to US15/180,990 priority patent/US20160294575A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803Home automation networks
    • H04L12/283Processing of data at an internetworking point of a home automation network
    • H04L12/2834Switching of information between an external network and a home network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/66Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/50Address allocation
    • H04L61/5007Internet protocol [IP] addresses
    • H04L61/5014Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/563Data redirection of data network streams

Definitions

  • the present invention relates to the field of network communications, and in particular, to a system, apparatus, and method for automatically configuring an application terminal in a home network.
  • IPTV Internet TV
  • VoIP Voice over IP
  • PSTN Public Switched Telephone
  • IP application terminals need to be configured to use various IP-based applications, such as configuring the IP address or URL of the application server (Univers al Resourse)
  • Locator universal resource locator, protocol used, and so on. If the operator/service provider manually configures each IP application terminal, it will bring huge cost to the operator/service provider, and it is obviously unreasonable for the user to configure the IP application terminal by himself. Therefore, how to implement automatic configuration of an IP application terminal is an urgent problem to be solved.
  • the server sends a DHCP request, some D HCP in the DHCP request
  • the option (option) carries information such as the device identifier.
  • the DHCP server finds the URL of the ACS (Automatic Configuration Server) to which the CPE belongs according to the device identification information, and then carries the ACS in a DHCP option in the DHCP response message.
  • ACS Automatic Configuration Server
  • the CPE obtains the URL information of the ACS.
  • the ACS URL of the operator can be preset after the device is shipped.
  • the CPE accesses the ACS through the URL of the ACS, obtains the corresponding configuration file, and completes the automatic configuration process according to the configuration file.
  • the process of the URL is insecure and can be easily intercepted, thereby jeopardizing the subsequent automatic configuration process. Therefore, it is not recommended that the CPE obtain the ACS URL through the DHCP protocol, and obtain the ACS without security.
  • PPPoE Point-to-Point Protocol over
  • the application terminal connected to the home gateway can also use the above technical solution to implement automatic configuration.
  • the application terminal sends a DHCP request or a PPPoE request to the home gateway, and the home gateway forwards or relays the DHCP request of the application terminal or transparently transmits the PPPoE request of the application terminal to the DHCP or PPPoE server on the public network, and the home gateway obtains the DHCP or PPPoE server from the DHCP or PPPoE server.
  • the URL is then forwarded, relayed or transparently transmitted to the application terminal.
  • the existing technical solution may be insecure due to the express nature of the DHCP protocol itself. If the PPPoE protocol is used, the PPPoE protocol itself may have a secure authentication process, which may increase the complexity of the application terminal software.
  • the purpose of the embodiments of the present invention is to provide a system, device, and method for automatically configuring an application terminal in a home network, and to solve the problem that the application terminal directly obtains the ACS from the public network without increasing the complexity of the application terminal software.
  • the process of URLs has an issue of insecurity. Thereby, the automatic configuration of the security of the application terminal in the home network is realized.
  • the embodiment of the present invention provides a system for automatically configuring an application terminal in a home network, including: an application terminal, a home gateway, and a home gateway automatic configuration server, where
  • the application terminal is configured to: obtain, by using the home gateway, the address information of the auto-configuration server to which the home gateway belongs, send a configuration request message to the home gateway auto-configuration server, and obtain the address information of the auto-configuration server to which the application terminal belongs, and The automatic configuration server to which the application terminal belongs sends a configuration request message, and automatically obtains configuration information according to the configuration information obtained from the automatic configuration server to which the application terminal belongs.
  • the home gateway receiving a dynamic host configuration protocol DHCP request or notification message sent by the application terminal, and sending the address information of the automatic configuration server to which the home gateway belongs to the application terminal by using a DHCP response message;
  • the home gateway automatic configuration server is configured to receive a configuration request message sent by the application terminal, and obtain the address information of the automatic configuration server to which the application terminal belongs according to the configuration request message, and the automatic configuration server to which the application terminal belongs The address information is sent to the application terminal.
  • the embodiment of the invention further provides a home gateway, including:
  • Dynamic Host Configuration Protocol DHCP server module It is used to send the address information of the auto-configuration server to which the home gateway belongs to the application terminal through the DHCP response message after receiving the DHCP request or notification message sent by the application terminal.
  • the embodiment of the present invention further provides a method for automatically configuring an application terminal in a home network, including
  • [21] acquiring the address information of the automatic configuration server to which the application terminal belongs, which is returned by the home gateway automatic configuration server, and sending the configuration request message to the automatic configuration server to which the application terminal belongs according to the address information of the automatic configuration server to which the application terminal belongs.
  • the configuration information is automatically configured from the automatic configuration server to which the application terminal belongs.
  • the application terminal obtains the ACS from the GACS (Home Gateway Automatic Configuration Server).
  • the URL can be used to ensure that the application terminal securely obtains the URL of the ACS to which the application belongs, without increasing the complexity of the application terminal, and the application terminal directly obtains the ACS from the public network.
  • FIG. 1 is a schematic diagram of networking for automatically configuring an application terminal in a home network according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the automatic configuration system for an application terminal in a home network according to an embodiment of the present invention. Schematic diagram of the body structure;
  • FIG. 3 is a flowchart of a process for automatically configuring an application terminal in a home network according to an embodiment of the present invention.
  • Embodiments of the present invention provide a system, apparatus, and method for automatically configuring an application terminal in a home network.
  • the system, apparatus and method for automatically configuring an application terminal in a home network according to an embodiment of the present invention are described in detail below with reference to the accompanying drawings.
  • FIG. 1 The networking diagram of the system for automatically configuring the application terminal in the home network according to the embodiment of the present invention may be as shown in FIG. 1.
  • the specific structure of the system may be as shown in FIG. 2, including: GACS (Home Gateway) Automatic configuration server), TACS (application terminal auto-configuration server), home gateway and application terminal.
  • GACS Home Gateway
  • TACS application terminal auto-configuration server
  • ACS automatically configures the server, according to a certain management protocol (such as TR069)
  • network operators and service providers can deploy ACS to automatically configure and manage terminal devices within their jurisdiction.
  • the configuration management protocol defined in the management system protocol -TR069 for communication between the CPE (Customer Premises Equipment) and the ACS is taken as an example to describe the functions of the modules in the system according to the embodiment of the present invention.
  • GACS the ACS of the home gateway
  • NSP Network service
  • ISP Internet Service
  • the GACS may be used to send a message (Universal Resourse Locator) information of the TACS to which the application terminal belongs to the application terminal by using the configuration management protocol defined by the TR069 to perform message interaction with the application terminal. Therefore, the GACS includes an information receiving module, an information query module, and an information sending module in addition to the configuration management server-side functional modules of the general ACS.
  • a message Universal Resourse Locator
  • the information receiving module receiving, by the application terminal, a configuration request message defined by TR069, where the configuration request message carries device identification information;
  • the information query module querying, according to the device identification information carried in the configuration request message, the related information of the TACS stored therein, or querying the service support system or the operation support system; [35]
  • the information sending module is configured to: obtain the URL information of the TACS, and send the address information to the application terminal by using the response message of the configuration request message.
  • the URL should send an Inform message to the ACS.
  • the Inform message carries information such as the device ID. If the device wants to obtain the configuration, the BOOTSTRAP event is carried in the Inform message. After receiving the BOOTSTRAP event, the ACS will send a Download message to the device to notify the device to obtain the configuration file.
  • An Inform message carrying a BOOTSTRAP event can be referred to as a configuration request message.
  • the G ACS extracts the device identification information from the Inform message, and determines whether it is a home gateway or other device according to the device type information in the device identifier. If it is not a home gateway, Query the GACS's own database or the BSS (Business Support System) / OSS (Operating Support System) based on the device identification information.
  • BSS Business Support System
  • OSS Operating Support System
  • the URL information is sent to the application terminal through the SetParameterValues method.
  • TACS ie the ACS of the application terminal, is SP (Service)
  • TACS Provider, service provider Deploying, TACS can automatically configure and manage the application terminals it serves through the configuration management protocol defined by TR069.
  • a TACS can configure and manage multiple application terminals. After receiving the configuration request message sent by the application terminal through the configuration management protocol defined by the TR069, the configuration file of the application terminal is returned to the application terminal by using the configuration management protocol.
  • the application terminal is configured to perform message interaction with the GACS according to the configuration information of the GACS obtained from the home gateway, and obtain the URL information of the TACS to which the GACS belongs. According to the URL information of the TACS, the configuration file information is obtained from the TACS through the above configuration management protocol, and the configuration file information is used for automatic configuration.
  • the application terminal may specifically include: a DHCP client module and a configuration management client module.
  • the DHCP client module is configured to obtain an IP address from a DHCP server in the network through a DHCP protocol, and parse out the ACS in an option (option) in the response message of the IP address assigned by the home gateway.
  • the configuration management client module used to interact with the ACS through the configuration management protocol defined by TR069. According to the definition of TR069, if the ACS modifies the ACS on the terminal device
  • the terminal device should send an Inform message to the new ACS and accept the management of the new ACS.
  • the application terminal first accesses the GACS obtained from the home gateway through the DHCP protocol. After the application terminal interacts with the GACS using the configuration management protocol defined by TR069, the GACS sends the URL of the TACS to the application terminal, and the application The terminal gets its own ACS URL, and the configuration management protocol defined by TR069 is built on SSL (Secure Socket).
  • the home gateway is configured to: after receiving the DHCP request sent by the application terminal, assign an IP address to the application terminal, and carry a GACS URL in an option of the response message for assigning the IP address.
  • the home gateway can obtain the URL of its own ACS, GACS, through a secure process such as PPPoE protocol, factory preset, carrier or user manual configuration.
  • Home Gateway gets GACS
  • the URL is configured from the GACS.
  • the home gateway includes:
  • the DHCP server module is configured to: after receiving the dynamic host configuration protocol DHCP request or the notification message sent by the application terminal, send the address information of the auto-configuration server to which the home gateway belongs to the application terminal by using a DHCP response message.
  • TR069 describes obtaining ACS from a DHCP server via the DHCP protocol
  • URL method, but because the DHCP server that assigns an IP address to the home gateway is located on the public network, using the DHC P protocol to obtain the ACS URL is not secure, so the home gateway will obtain the ACS through other security means.
  • URL such as PPPoE protocol, factory defaults, operator or user manual configuration, etc.
  • TACS1 is owned by SP1, and the application terminal 1 using the service provided by SP1 is automatically configured and managed. There may be multiple application terminals in the home network using the services provided by SP1.
  • TA CS2 is owned by SP2, and the application terminal 2 using the service provided by SP2 is automatically configured and managed. There may be multiple application terminals in the home network using the services provided by SP2.
  • SP1 and SP2 can provide the same service, for example, provide VoIP; or provide different services, such as SP1 provides VoIP and SP2 provides IPTV. Therefore, the application terminal 1 and the application terminal 2 may be the same type of device or different types of devices. An SP can also provide multiple services, such as peers providing VoIP and IPTV.
  • the processing flow of the method for automatically configuring the application terminal in the home network according to the embodiment of the present invention is as shown in FIG. 3 , and the TR069 protocol is used as an example, which may include the following steps:
  • Step 31 The application terminal sends a DHCP Request to the home gateway by using the DHCP protocol, and requests to obtain its own IP address.
  • an option in the Request message carries some specific information.
  • the application terminal may include a string of "dslforum.org" in the DHCP option 60 according to the requirements of TR069.
  • Step 32 The home gateway receives the above DHCP
  • the application terminal may also send a DHCP Inform message to the DHCP server in step 31, and then the DHCP server also returns a DHCP ACK message, which may have some impact on step 32.
  • a DHCP Inform message to the DHCP server in step 31
  • the DHCP server also returns a DHCP ACK message, which may have some impact on step 32.
  • Step 33 After receiving the DHCP ACK, the application terminal obtains the URL of the GACS carried in the terminal.
  • the application terminal can use the configuration management protocol defined by TR069 according to the URL, that is, CWMP (wide area network management).
  • the Inform message in the protocol is used to access the GACS.
  • the Inform message contains information such as the manufacturer information, device type, and device serial number of the device. This information can uniquely identify a device and is collectively referred to as a device identifier.
  • the BOOTSTRAP event defined by TR069 is carried in the Inform message, indicating that the device needs to be configured. Such a message is called a configuration request message.
  • the configuration request message defined by other management protocols will be different, and the device identifier may not be consistent with the definition of TR069.
  • Step 34 After receiving the Inform message, the GACS determines, according to the device type information included in the Inform message, that the device is not a home gateway, that is, does not belong to the GACS management, and queries the saved information according to the device identification information. TACS-related information, or querying the BSS/OSS to obtain the URL information of the ACS (ie, TACS) to which the application terminal belongs.
  • the embodiment of the present invention requires the owner SP of the TACS to provide TACS information to the owner of the GACS, the information about the TACS, including: the URL of the TACS, and the manufacturer information of the user application terminal using the service provided by the SP.
  • Device identification information such as device type and device serial number.
  • this information should be stored in some way to the BSS/OSS system of GACS or NSP/ISP.
  • the NSS/ISP BSS/OSS system can provide a client to the SP through which the SP will identify the application terminal and TACS.
  • the URL is input to the BSS/OSS system, and the BSS/OSS system transmits the relevant information of the application terminal to the GACS or not through the GACS northbound interface.
  • the terminal information belonging to the SP is only stored in the BSS/OSS system of the SP, but the BSS/OSS system of the NSP ISP has an interface with the BSS/OSS system of the SP. Through such an interface, the GACS can query the belonging of an application terminal.
  • the URL of the TACS is input to the BSS/OSS system, and the BSS/OSS system transmits the relevant information of the application terminal to the GACS or not through the GACS northbound interface.
  • the terminal information belonging to the SP is only stored in the BSS/OSS system of the SP, but the BSS/OSS system of the NSP ISP has an interface with the BSS/OSS system of the SP. Through such an interface, the GACS can query the belonging of an application terminal.
  • the URL of the TACS is input to the BSS/OSS system, and the BSS/OSS system transmits the relevant information
  • Step 35 The GACS sends the URL of the found TACS to the application terminal.
  • GACS can modify the ACS of the application terminal by using the SetParameterValues method.
  • the GACS should send back an Infor mResponse message to the Inform message sent by the application terminal.
  • the SetParameterValues message issued by the GACS triggered by the configuration request information of the application terminal is also a response to the configuration request message, and the difference in the details of the interactive message generated by the specific protocol does not exceed the method of the present invention.
  • Step 36 The application terminal receives the new ACS sent by the GACS.
  • Step 37 After receiving the above Inform message, the TACS, if the Inform message includes the BOOTSTRAP event, uses the Download method defined by the TR069 to notify the application terminal to obtain the configuration file, and the application terminal obtains the configuration. Of course, before this, TACS also needs to return an InformResponse message first. Details regarding the acquisition of the configuration file are not within the scope of the present invention and are not described in detail herein. Of course, if other configuration management protocols are used, the application terminal may not be configured through a file, or may be configured by the TACS step-by-step parameter setting command.
  • the application terminal only needs to increase the ACS in the DHCP ACK packet in step 33.
  • the URL information and subsequent procedures are all processes of the CWMP protocol defined by TR069.
  • the configuration management protocol does not need to be modified, and no resources required by the application terminal are added.
  • the home gateway only the home gateway's own ACS URL is added to DHCP in step 3 2
  • the first step of the automatic configuration of the application terminal is to obtain the ACS.
  • the URL steps are completed inside the home network, avoiding access to the ACS through the public network.
  • the application terminal obtains the TACS URL from the GACS, thereby securely completing the process of automatically obtaining the ACS to which it belongs. This centralizes the security of the entire configuration process to the home gateway to get its ACS
  • the home gateway can use PPPoE, factory presets, manual settings, etc. to securely obtain ACS.
  • the URL while the home gateway is a small number of devices relative to the application terminal, only one home gateway is needed in a home network, but there may be multiple application terminals that implement various applications.
  • the V3 protocol is not limited to the TR069 protocol and should be covered by the scope of the present invention. Therefore, the scope of protection of the embodiments of the present invention should be determined by the scope of the claims.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computing Systems (AREA)
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Description

说明书 对家庭网络中应用终端进行自动配置的系统、 装置和方法
[1] 技术领域
[2] 本发明涉及网络通信领域, 尤其涉及一种对家庭网络中应用终端进行自动配置 的系统、 装置和方法。
[3] 发明背景
[4] 目前, 各种基于 IP的应用, 例如 IPTV (网络电视) 、 VoIP (网络电话) 等正在 迅速发展, 将逐步取代有线电视、 PSTN (Public Switched Telephone
Network, 公共交换电话网) 电话等专网应用。 IP应用终端都需要经过一定的配 置后才能使用各种基于 IP的应用, 例如配置应用服务器的 IP地址或 URL (Univers al Resourse
Locator, 通用资源定位符) 、 所使用的协议等等。 如果运营商 /服务提供商对每 台 IP应用终端都进行手工配置, 将给运营商 /服务提供商带来巨大的成本, 而让 用户自己对 IP应用终端进行配置显然是不合理的。 因此, 如何实现对 IP应用终端 进行自动配置是一个亟待解决的问题。
[5] 现有技术中, 通过由 CPE (用户驻地设备) , 例如家庭网关, 向运营商的 DHC
P (Dynamic Host Configuration
Protocol, 动态主机配置协议) 服务器发出 DHCP请求, 在 DHCP请求中的某个 D HCP
option (选项) 中携带设备标识等信息, DHCP服务器根据设备标识信息, 找到 该 CPE所属的 ACS (自动配置服务器) 的 URL, 然后在 DHCP应答消息中的某个 DHCP option中携带此 ACS
URL, 这样, CPE就获得了 ACS的 URL信息。 而且, 对于运营商定制的 CPE可以 在设备出厂吋预置入运营商的 ACS的 URL。 CPE通过 ACS的 URL访问 ACS , 获得 相应的配置文件, 根据该配置文件完成自动配置过程。
[6] 由于 DHCP协议的明文性质, 通过 DHCP协议获取 ACS
URL的过程是不安全的, 容易被截取, 从而对后续的自动配置过程造成危害。 因此, 并不推荐 CPE通过 DHCP协议获得 ACS URL, 在没有安全的获取 ACS
URL的方法之前, 推荐釆用设备出厂吋预置入 ACS的 URL的方法, 或者手工配置
ACS URL, 但这样不利于 CPE的零售。
[7] 在实际应用中, 可以用 PPPoE (Point-to-Point Protocol over
Ethernet, 以太网上点到点协议) 代替 DHCP协议来完成上述 CPE获取 ACS
URL的过程, 这需要对 PPPoE的使用作适当规定。
[8] 和家庭网关相连的应用终端也可以使用上述技术方案来实现自动配置。 应用终 端向家庭网关发送 DHCP请求或 PPPoE请求, 家庭网关向公网上的 DHCP或 PPPoE 服务器转发或中继该应用终端的 DHCP请求或透传该应用终端的 PPPoE请求, 家 庭网关从 DHCP或 PPPoE服务器获得应用终端的 ACS
URL, 然后再转发、 中继或透传给应用终端。
[9] 发明人在实现本发明过程中发现, 现有的实现应用终端自动配置的技术方案中
, 如果釆用 DHCP协议, 则由于 DHCP协议本身的明文性质, 可能会导致现有技 术解决方案存在不安全性。 如果釆用 PPPoE协议, 则由于 PPPoE协议本身有安全 的身份验证过程, 将有可能增加应用终端软件的复杂度。
[10] 发明内容
[11] 本发明实施例的目的是提供一种对家庭网络中应用终端进行自动配置的系统、 装置和方法, 在不增加应用终端软件复杂度的前提下, 解决应用终端直接从公 网获取 ACS
URL的过程具有不安全性的问题。 从而实现对家庭网络中应用终端的安全的自 动配置。
[12] 本发明实施例的目的是通过以下技术方案实现的:
[13] 本发明实施例提供了一种对家庭网络中应用终端进行自动配置的系统, 包括: 应用终端、 家庭网关和家庭网关自动配置服务器, 其中,
[14] 应用终端: 用于通过家庭网关, 获取家庭网关所属自动配置服务器的地址信息 , 向所述家庭网关自动配置服务器发送配置请求消息, 获取应用终端所属自动 配置服务器的地址信息, 并向所述的应用终端所属自动配置服务器发送配置请 求消息, 根据从所述的应用终端所属自动配置服务器获得配置信息进行自动配 置;
[15] 家庭网关: 接收应用终端发送的动态主机配置协议 DHCP请求或通知消息, 并 通过 DHCP应答消息将家庭网关所属自动配置服务器的地址信息发送给所述应用 终端;
[16] 家庭网关自动配置服务器: 用于接收应用终端发送的配置请求消息, 根据所述 配置请求消息査询获得应用终端所属自动配置服务器的地址信息, 并将所述的 应用终端所属自动配置服务器的地址信息发送给所述的应用终端。
[17] 本发明实施例还提供了一种家庭网关, 包括:
[18] 动态主机配置协议 DHCP服务器端模块: 用于在接收到应用终端发送的 DHCP 请求或通知消息后, 通过 DHCP应答消息将家庭网关所属自动配置服务器的地址 信息发送给应用终端。
[19] 本发明实施例还提供了一种对家庭网络中应用终端进行自动配置的方法, 包括
[20] 通过与家庭网关进行信息交互, 获得家庭网关自动配置服务器的地址信息, 并 向所述家庭网关自动配置服务器发送配置请求消息;
[21] 获取所述家庭网关自动配置服务器返回的应用终端所属自动配置服务器的地址 信息, 根据所述应用终端所属自动配置服务器的地址信息, 向应用终端所属自 动配置服务器发送所述配置请求消息, 从应用终端所属自动配置服务器获得配 置信息进行自动配置。
[22] 由上述本发明实施例提供的技术方案可以看出, 在本发明实施例中, 应用终端 从 GACS (家庭网关自动配置服务器) 获得 ACS
URL, 从而可以在不增加应用终端复杂度的情况下, 保证应用终端安全地获得 其所属的 ACS的 URL, 解决应用终端直接从公网获取 ACS
URL的过程具有不安全性的问题。
[23] 附图简要说明
[24] 图 1为本发明实施例提供的所述对家庭网络中应用终端进行自动配置系统的组 网示意图;
[25] 图 2为本发明实施例提供的所述对家庭网络中应用终端进行自动配置系统的具 体结构示意图;
[26] 图 3为本发明实施例提供的所述对家庭网络中应用终端进行自动配置方法的处 理流程图。
[27] 实施本发明的方式
[28] 本发明实施例提供了一种对家庭网络中应用终端进行自动配置的系统、 装置和 方法。 为了便于理解, 下面结合附图来详细说明本发明实施例提供的对家庭网 络中应用终端进行自动配置的系统、 装置和方法。
[29] 本发明实施例提供的对家庭网络中应用终端进行自动配置的系统的组网示意图 可以如图 1所示, 该系统的具体结构示意图可以如图 2所示, 包括: GACS (家庭 网关自动配置服务器) 、 TACS (应用终端自动配置服务器) 、 家庭网关和应用 终端。
[30] ACS即自动配置服务器, 对其所属的终端设备按照某种管理协议 (例如 TR069
) 进行自动配置和管理, 网络运营商、 服务提供商都可以部署 ACS , 对其管辖范 围内的终端设备实现自动配置和管理。
[31] 下面以用于在 CPE (用户驻地设备) 和 ACS间通讯的管理体系协议 -TR069所定 义的配置管理协议为例, 分别介绍本发明实施例所述系统中各个模块的功能。
[32] GACS , 即家庭网关的 ACS , 为 NSP (Network service
provider, 网络服务提供商) /ISP (internet Service
Provider, 因特网服务提供者) 部署, 对 NSP/ISP所属的家庭网关进行自动配置 和管理。 在本发明实施例中, GACS还可以用于通过 TR069定义的配置管理协议 和应用终端进行消息交互, 将应用终端所属 TACS的 URL (Universal Resourse Locator, 通用资源定位符) 信息发送给应用终端。 因此, GACS除了包括一般的 ACS所具有的配置管理服务器端功能模块之外, 还包括信息接收模块、 信息査询 模块和信息发送模块。
[33] 其中, 信息接收模块: 接收应用终端发送的 TR069定义的配置请求消息, 所述 配置请求消息中携带设备标识信息;
[34] 其中, 信息査询模块: 根据所述配置请求消息中携带的设备标识信息, 査询其 内部保存的 TACS的相关信息, 或者向业务支撑系统或运营支撑系统进行査询; [35] 其中, 信息发送模块: 获取所述的 TACS的 URL信息, 通过所述的配置请求消 息的响应消息, 将所述的地址信息发送给所述的应用终端。
[36] 根据 TR069的定义, 设备 (例如本发明实施例中所涉及的应用终端) 启动后如 果已获得 ACS
URL, 则应该向 ACS发送一个 Inform (通知) 消息, Inform消息中携带设备标识 等信息。 如果设备希望获得配置, 则在 Inform消息中携带 BOOTSTRAP (开机) 事件, ACS收到 BOOTSTRAP事件后, 将向设备发送一个 Download (下载) 消息 通知设备去获取配置文件。 携带 BOOTSTRAP事件的 Inform消息可称为配置请求 消息。
[37] 如果 GACS收到的 Inform消息中携带 BOOTSTRAP事件, 则 G ACS从 Inform消息 中取出设备标识信息, 根据设备标识中的设备类型信息判断其是家庭网关还是 其它设备, 如果不是家庭网关, 则根据设备标识信息向 GACS自带的数据库或者 向 BSS (Business Support System, 业务支撑系统) /OSS (Operating Support System, 运营支撑系统) 进行査询, 将査询得到的 TACS
URL信息通过 SetParameterValues (设置参数值) 方法发送给应用终端。
[38] 上述 Inform消息、 BOOTSTRAP事件、 SetParameterValues方法等是 TR069所定 义的具体内容, 如果釆用其它管理协议, 会有不同的定义, 其交互过程也会有 所差异, 例如按照 TR069的定义, ACS收到 Inform消息后应先回一个 InformRespo nse (通知响应) 消息, 然后再使用 SetParameterValues等方法对终端设备进行操 作, 而其它管理协议可能并不按照这种方式进行交互, 例如直接在类似于 Inform Response的消息中携带 TACS的 URL, 而不必另外发送一个消息。
[39] TACS, 即应用终端的 ACS , 为 SP (Service
Provider, 服务提供商) 部署, TACS可以通过 TR069定义的配置管理协议实现对 其服务的应用终端进行自动配置和管理。 一个 TACS可以配置和管理多个应用终 端。 在接收到应用终端通过 TR069定义的配置管理协议发送的配置请求消息后, 通过上述配置管理协议将应用终端的配置文件信息返回给应用终端。
[40] 应用终端: 用于根据从家庭网关获得的 GACS的 URL信息, 通过 TR069定义的 配置管理协议与 GACS进行消息交互, 从 GACS获得其所属的 TACS的 URL信息。 根据该 TACS的 URL信息, 通过上述配置管理协议从 TACS获取配置文件信息, 利用该配置文件信息进行自动配置。
[41] 应用终端具体可以包括: DHCP客户端模块、 配置管理客户端模块。
[42] 其中, DHCP客户端模块: 用于通过 DHCP协议从网络中的 DHCP服务器获得 IP 地址, 并从家庭网关分配 IP地址的应答消息中的 option (选项) 中解析出 ACS
URL。 由于应用终端与家庭网关之间的交互发生家庭网络内部, 因此可以认为 这个过程是安全的。
[43] 其中, 配置管理客户端模块: 用于通过 TR069定义的配置管理协议与 ACS进行 交互。 根据 TR069的定义, 如果 ACS修改终端设备上的 ACS
URL, 终端设备应该向新的 ACS发送 Inform消息, 并接受新的 ACS的管理。 禾 1J用 这种机制, 应用终端先访问通过 DHCP协议从家庭网关处得到的 GACS , 在应用 终端与 GACS使用 TR069定义的配置管理协议交互吋, GACS将 TACS的 URL下发 给应用终端, 于是应用终端得到了自己的 ACS的 URL, 而 TR069定义的配置管理 协议是建立在 SSL (Secure Socket
Level, 安全套接字层) 协议基础上的, 因此这个过程是安全的。
[44] 家庭网关: 用于在接收到应用终端发送的 DHCP请求后, 给该应用终端分配 IP 地址, 并在分配 IP地址的应答消息的某个 option中携带 GACS的 URL。 家庭网关 可以通过某种安全的过程, 例如釆用 PPPoE协议、 出厂吋预置、 运营商或用户手 工配置获得其所属 ACS即 GACS的 URL的。 家庭网关获得 GACS
URL之后, 根据该 GACS
URL从 GACS处获得配置。 家庭网关除了包括一般的 ACS所具有的配置管理客户 端模块之外, 还包括:
[45] DHCP服务器端模块: 用于在接收到应用终端发送的动态主机配置协议 DHCP 请求或通知消息后, 通过 DHCP应答消息将家庭网关所属自动配置服务器的地址 信息发送给应用终端。
[46] 虽然 TR069描述了通过 DHCP协议从 DHCP服务器获得 ACS
URL的方法, 但由于为家庭网关分配 IP地址的 DHCP服务器位于公网, 使用 DHC P协议获取 ACS URL不安全, 因此家庭网关将通过其它安全手段获得 ACS URL, 例如 PPPoE协议、 出厂吋预置、 运营商或用户手工配置等等。
[47] 在图 1中, TACS1为 SP1所有, 对使用 SP1所提供的服务的应用终端 1进行自动 配置和管理, 一个家庭网络中可以存在多个使用 SP1所提供服务的应用终端。 TA CS2为 SP2所有, 对使用 SP2所提供的服务的应用终端 2进行自动配置和管理, 一 个家庭网络中可以存在多个使用 SP2所提供服务的应用终端。
[48] SP1和 SP2可以提供相同的业务, 例如都提供 VoIP; 也可以是提供不同的业务 , 例如 SP1提供 VoIP, SP2提供 IPTV。 因此应用终端 1和应用终端 2可以是同一种 类型的设备也可以是不同类型的设备。 一个 SP也可以提供多种业务, 例如同吋 提供 VoIP和 IPTV。
[49] 本发明实施例提供的对家庭网络中应用终端进行自动配置方法的处理流程如图 3所示, 以釆用 TR069协议为例, 具体可以包括如下步骤:
步骤 31、 应用终端使用 DHCP协议向家庭网关发送 DHCP Request (DHCP 请求) , 请求获得自己的 IP地址。
[51] 由于家庭网络中的多个设备可能支持不同的管理规范, 有的支持 TR069, 有的 不支持 TR069, 应用终端为了在 DHCP
ACK消息中获得自己想要的信息, 可以在 DHCP
Request消息中的某个 option内携带一些特定信息, 例如本发明实施例中应用终端 可以按照 TR069的要求, 在 DHCP option 60中包含 "dslforum.org"字符串。
[52] 步骤 32、 家庭网关接收到上述 DHCP
Request后, 为上述应用终端分配 IP地址, 并在分配 IP地址的 DHCP
ACK消息中将家庭网关自己的 ACS (即 GACS) 的 URL填充到 TR069指定的 DHC
P option 43中。
[53] 根据 DHCP协议, 应用终端为了从 DHCP服务器获得相应信息, 也可以在步骤 3 1向 DHCP服务器发送 DHCP Inform消息, 之后 DHCP服务器也会回一个 DHCP ACK消息, 这会对步骤 32产生一些影响, 本例不再详细描述, 本技术领域技术 人员自然明白其中含义和实现方法。
[54] 步骤 33、 应用终端接收到上述 DHCP ACK后, 获取其中携带的 GACS的 URL。
应用终端可以根据该 URL使用 TR069定义的配置管理协议即 CWMP (广域网管 理协议) 中的 Inform消息访问 GACS, 该 Inform消息中包含了设备的厂家信息、 设备类型、 设备序列号等信息, 这些信息可以唯一标识一台设备, 合在一起称 为设备标识。 同吋, 在这个 Inform消息中携带 TR069定义的 BOOTSTRAP事件, 表示设备需要配置, 这样的消息称为配置请求消息。 当然, 其它的管理协议定 义的配置请求消息会与此不同, 设备标识也不一定与 TR069的定义一致。
[56] 步骤 34、 GACS接收到上述 Inform消息后, 根据 Inform消息中包含的设备类型信 息判断出该设备不是家庭网关, 即实际上不属于 GACS管理, 则根据设备标识信 息, 査询其保存的 TACS相关信息, 或者, 向 BSS/OSS进行査询, 获取应用终端 的所属 ACS (即 TACS) 的 URL信息。
[57] 本发明实施例要求 TACS的所有者 SP向 GACS的所有者 NSP ISP提供 TACS的相 关信息, 该 TACS的相关信息包括: TACS的 URL、 使用该 SP所提供业务的用户 应用终端的厂家信息、 设备类型、 设备序列号等设备标识信息。 并且这些信息 应该通过某种途径存储到 GACS或 NSP/ISP的 BSS/OSS系统中。 例如, NSP/ISP的 BSS/OSS系统可以向 SP提供一个客户端, SP通过该客户端将应用终端的标识信 息和 TACS
URL输入到 BSS/OSS系统中, BSS/OSS系统再经过 GACS的北向接口将应用终端 的相关信息传输到 GACS或不传输。 或者, 属于 SP的终端信息仅存储于 SP的 BSS/ OSS系统, 但是 NSP ISP的 BSS/OSS系统与 SP的 BSS/OSS系统存在一个接口, 通 过这样的接口, GACS可以査询一个应用终端所属的 TACS的 URL。
[58] 步骤 35、 GACS将找到的 TACS的 URL发送给应用终端。
[59] 根据 TR069定义的配置管理协议, GACS可以使用 SetParameterValues方法修改 应用终端的 ACS
URL。 不过在这之前, GACS应该针对应用终端发送的 Inform消息回送一个 Infor mResponse消息。 在这里, 由于应用终端的配置请求信息而触发的由 GACS发出 的 SetParameterValues消息也是对配置请求消息的响应, 至于受具体协议而产生 的交互报文细节上的差异并不超出本发明的方法。
[60] 步骤 36、 应用终端接收到 GACS发送来的新的 ACS
URL后, 向新的 ACS即 TACS重发 Inform消息。 [61] 步骤 37、 TACS接收到上述 Inform消息后, 如果 Inform消息中包含 BOOTSTRAP 事件, 就使用 TR069定义的 Download方法通知应用终端取配置文件, 于是该应用 终端获得配置。 当然, 在这之前, TACS也要先回一个 InformResponse消息。 关 于获取配置文件的细节已经不属于本发明的范围, 就不在这里详细描述了。 当 然, 如果釆用其它配置管理协议, 应用终端不一定是通过一个文件而获得配置 的, 也可以是由 TACS逐步下发参数设置命令而得到配置的。
[62] 通过以上步骤, 应用终端只需要在步骤 33增加解析 DHCP ACK报文中的 ACS
URL信息, 后续过程都是 TR069定义的 CWMP协议的过程, 不需要对配置管理协 议作出修改, 也不增加应用终端所需任何资源。 在家庭网关方面, 也仅在步骤 3 2增加了将家庭网关自己的 ACS URL附加到 DHCP
ACK报文的 option中的处理过程, 其它一切不变。 GACS方面, 需要其实现 TACS 的管理和査找。
[63] 通过上述步骤, 应用终端自动配置的第一步即获取 ACS
URL的步骤在家庭网络内部完成, 避幵通过公网获取 ACS
URL存在的安全问题。 接下来利用 TR069或其它配置管理协议本身的安全性, 应 用终端从 GACS获得 TACS的 URL, 从而安全地完成自动获取其所属 ACS的过程 。 这将整个配置过程的安全问题集中到了家庭网关获得其 ACS
URL的步骤, 在这一步, 家庭网关可以使用 PPPoE、 出厂预置、 手工设置等方法 安全获取 ACS
URL, 而家庭网关相对于应用终端是少量设备, 一个家庭网络中只需要一个家 庭网关, 却可能存在多个实现各种应用的应用终端。
[64] 以上所述, 仅为本发明实施例较佳的具体实施方式, 但本发明实施例的保护范 围并不局限于此, 任何熟悉本技术领域的技术人员在本发明实施例揭露的技术 范围内, 可轻易想到的变化或替换, 例如使用 SNMP
V3协议代替 TR069协议, 都应涵盖在本发明实施例的保护范围之内。 因此, 本 发明实施例的保护范围应该以权利要求的保护范围为准。

Claims

权利要求书
[1] 1、 一种对家庭网络中应用终端进行自动配置的系统, 其特征在于, 包括:
应用终端、 家庭网关和家庭网关自动配置服务器, 其中,
应用终端: 用于通过家庭网关, 获取家庭网关所属自动配置服务器的地址 信息, 向所述家庭网关自动配置服务器发送配置请求消息, 获取应用终端 所属自动配置服务器的地址信息, 并向所述的应用终端所属自动配置服务 器发送配置请求消息, 根据从所述的应用终端所属自动配置服务器获得配 置信息进行自动配置;
家庭网关: 接收应用终端发送的动态主机配置协议 DHCP请求或通知消息 , 并通过 DHCP应答消息将家庭网关所属自动配置服务器的地址信息发送 给所述应用终端;
家庭网关自动配置服务器: 用于接收应用终端发送的配置请求消息, 根据 所述配置请求消息査询获得应用终端所属自动配置服务器的地址信息, 并 将所述的应用终端所属自动配置服务器的地址信息发送给所述的应用终端
[2] 2、 根据权利要求 1所述的对家庭网络中应用终端进行自动配置的系统, 其 特征在于, 所述系统还包括:
应用终端所属自动配置服务器: 接收应用终端发送的配置请求消息, 对所 述应用终端进行配置。
[3] 3、 根据权利要求 1所述的对家庭网络中应用终端进行自动配置的系统, 其 特征在于, 所述应用终端包括:
DHCP客户端模块: 用于通过 DHCP协议从网络中的 DHCP服务器获得 IP地 址, 并从家庭网关分配 IP地址的应答消息中解析出家庭网关自动配置服务 器的地址信息。
[4] 4、 根据权利要求 1所述的对家庭网络中应用终端进行自动配置的系统, 其 特征在于, 所述家庭网关自动配置服务器包括:
信息接收模块: 用于接收应用终端发送的配置请求消息, 所述配置请求消 息中携带设备标识信息; 信息査询模块: 用于根据所述配置请求消息中携带的设备标识信息, 査询 其内部保存的应用终端所属自动配置服务器的相关信息, 或者向业务支撑 系统或运营支撑系统査询所述应用终端所属自动配置服务器的相关信息; 信息发送模块: 用于获取所述信息査询模块査询到的所述应用终端所属自 动配置服务器的地址信息, 并通过所述的配置请求消息的响应消息, 将所 述的地址信息发送给所述应用终端。
[5] 5、 根据权利要求 1-4任一项所述的对家庭网络中应用终端进行自动配置的 系统, 其特征在于, 所述配置请求消息为带有开机事件的通知消息; 所述配置请求的响应消息为所述通知消息的响应消息, 且所述通知消息的 响应消息为设置参数值消息。
[6] 6、 一种家庭网关, 其特征在于, 包括:
动态主机配置协议 DHCP服务器端模块: 用于在接收到应用终端发送的 DH CP请求或通知消息后, 通过 DHCP应答消息将家庭网关所属自动配置服务 器的地址信息发送给应用终端。
[7] 7、 一种对家庭网络中应用终端进行自动配置的方法, 其特征在于, 包括: 通过与家庭网关进行信息交互, 获得家庭网关自动配置服务器的地址信息 , 并向所述家庭网关自动配置服务器发送配置请求消息;
获取所述家庭网关自动配置服务器返回的应用终端所属自动配置服务器的 地址信息, 根据所述应用终端所属自动配置服务器的地址信息, 向应用终 端所属自动配置服务器发送所述配置请求消息, 从应用终端所属自动配置 服务器获得配置信息进行自动配置。
[8] 8、 根据权利要求 7所述的对家庭网络中应用终端进行自动配置的方法, 其 特征在于, 所述通过与家庭网关进行信息交互, 获得家庭网关自动配置服 务器的地址信息的过程具体包括:
应用终端向家庭网关发送 DHCP请求或通知消息, 家庭网关在接收到所述 D HCP请求或通知消息后, 通过 DHCP应答消息家庭网关所属自动配置服务 器的地址信息发送给所述应用终端。
[9] 9、 根据权利要求 7所述的方法, 其特征在于, 所述方法在获取所述家庭网 关自动配置服务器返回的应用终端所属自动配置服务器的地址信息之前还 包括:
家庭网关自动配置服务器在接收到应用终端发送的配置请求消息后, 根据 该配置请求消息中携带的设备标识信息, 在其内部保存的应用终端所属自 动配置服务器的相关信息表进行査询或者向业务支撑系统 /运营支撑系统进 行査询, 获得应用终端所属自动配置服务器的地址信息, 通过所述配置请 求消息的响应消息将所述应用终端所属自动配置服务器的地址信息发送给 应用终端。
PCT/CN2008/070198 2007-02-16 2008-01-28 Système, dispositif et procédé de configuration automatique de terminaux d'application dans un réseau domestique WO2008101421A1 (fr)

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