WO2009015537A1 - A method for providing content based on content verification - Google Patents

A method for providing content based on content verification Download PDF

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Publication number
WO2009015537A1
WO2009015537A1 PCT/CN2007/003827 CN2007003827W WO2009015537A1 WO 2009015537 A1 WO2009015537 A1 WO 2009015537A1 CN 2007003827 W CN2007003827 W CN 2007003827W WO 2009015537 A1 WO2009015537 A1 WO 2009015537A1
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WO
WIPO (PCT)
Prior art keywords
content
management platform
user
service management
summary information
Prior art date
Application number
PCT/CN2007/003827
Other languages
French (fr)
Chinese (zh)
Inventor
Zunyou Ke
Original Assignee
Zte Corporation
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 Zte Corporation filed Critical Zte Corporation
Publication of WO2009015537A1 publication Critical patent/WO2009015537A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/75Media network packet handling
    • H04L65/762Media network packet handling at the source 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • H04L65/61Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast

Definitions

  • the present invention relates to a content providing technology in a broadcast multicast system, and more particularly to a content providing method based on content verification.
  • the CP registers content services through the carrier's Broadcast and Multicast Service Center (BM-SC, Broadcast and Multicast Service Center) or the Broadcast and Multicast Service (BCMCS) management platform to provide services for users.
  • BM-SC Broadcast and Multicast Service Center
  • BCMCS Broadcast and Multicast Service
  • the content of the CP operation itself is not uploaded to the operator system for management, but the content server maintained by the CP directly provides services to the user.
  • the content providing system includes a user terminal 101, a service management platform 102, a CP content server 103, and a CP terminal 104.
  • the user terminal 101 is connected through an Internet network.
  • the service management platform 102 and the CP content server 103, the service management platform 102 and the CP content server 103 are connected by a network or a data transmission line, the CP terminal 104 is connected to the CP content server 103 via a data transmission line, and the CP terminal 104 passes through a graphical user interface. (GUI, Graphical User Interface) is connected to the service management platform 102.
  • GUI Graphical User Interface
  • the user terminal 101 is configured to obtain a content guide uploaded from the service management platform 102 to the service management platform 102, and select a required service content according to the content guide.
  • the user terminal 101 is further configured to initiate an authentication request to the service management platform 102.
  • the content service parameters are parsed, and the content data is obtained from the CP content server 103 and displayed.
  • the service management platform 102 is configured to provide a CP registration content service function, perform legality verification on the content provided by the CP, and complete authentication of the user terminal.
  • the CP content server 103 is used to provide a content service for the user terminal 101 to carry various contents.
  • the CP terminal 104 is configured to perform content service registration with the service management platform 102 and manage the CP content server 103.
  • the CP content server 103 and the CP terminal 104 may be of a unitary structure. Since the CP can maintain the content on the CP content server, in the content providing system shown in FIG. 1, the content provided by the CP may be inconsistent with the content that the CP registers with the service management platform and passes the legal check. In this way, the rights of operators and users may be violated. The content provided by CP may be illegal, and in serious cases may endanger the public safety of the state and society.
  • the technical problem to be solved by the present invention is to provide a content providing method based on content verification, which can verify the content provided by the CP and ensure consistency with the registered content.
  • a content verification method based on content verification which is applicable to a broadcast multicast content providing system, including:
  • the service management platform stores the summary information of the verified media content when the media content provided by the content server is verified and uploaded; when the user requests the content service, the service management platform utilizes the pre-stored summary information of the media content requested by the user.
  • the relevant media content on the content server is verified, and only the verified media content is provided to the user.
  • the summary information is data obtained by encoding all or part of the media content.
  • the service management platform verifies the content provided by the content server, uploads the service item of the verified media content, and the service item includes at least the summary information of the verified media content, and the method further includes the following steps. :
  • the service management platform authenticates the user when receiving the content service request of the user, and ends the current processing when the authentication fails, otherwise performs the next step;
  • the service management platform sends a verification instruction to the content server, where the content server calculates the media content requested by the user to obtain summary information, and returns the calculated summary information to the service management platform, where the service management platform is After receiving the summary information returned by the content server, it compares with the stored summary information of the to-be-requested media content, and if yes, returns the to-be-requested content address to the user, otherwise the current processing ends.
  • the method further includes the following steps: M. After receiving the content service request of the user, the service management platform returns a to-be-requested content address, and the user accesses the content server by using the content address to request to obtain the media content; After receiving the request from the user, the content server calculates the media content requested by the user to obtain summary information, and sends the calculated summary information to the service management platform; 0, the service management platform receives the content server. The summary information is compared with the stored summary information of the to-be-requested media content, and if they are consistent, the confirmation information is returned to the content server, and the content server provides the media content service to the user.
  • the service management platform sends the verification instruction to the content server in step B, it is determined whether the content to be requested by the user satisfies a preset verification condition, and sends a verification instruction to the content server when satisfied.
  • the content server after receiving the request from the user, the content server interacts with the service management platform, and after the service management platform confirms that the verification is required according to the preset verification condition, the content server performs the summary information again. Calculation.
  • the preset verification condition at least includes: the content verification period to be requested arrives, and the number of requested content requests reaches a set threshold.
  • the preset check condition refers to one of the following: whether the content verification period to be requested is coming; whether the number of requests for the content to be requested reaches a set threshold; determining whether one of the following two conditions is met: The content verification period is requested, and the number of requests for content to be requested reaches a set threshold.
  • the method of calculating summary information employed by the content server is provided or specified by the service management platform.
  • the service management platform verifies the media content provided by the content server, and uploads the service item of the verified media content, where the service item at least includes: Summary information for the media content.
  • the registration content is verified for legality.
  • the verified content uploads its content service item and stores the summary information on the service management platform.
  • the service management The platform determines whether the content requested by the user needs to be verified.
  • the verification is required, the content on the CP content server is verified according to the stored content summary information, and the content that fails the verification is limited to be provided to the user.
  • the invention ensures that the content provided by the CP is consistent with the registered content, and the rights of the operator and the majority of users are guaranteed.
  • FIG. 1 is a schematic structural diagram of a conventional content providing system
  • FIG. 2 is a flow chart of a content providing method based on content verification according to the present invention.
  • the core idea of the present invention is: storing the summary information of the content verified by the CP through the service management platform, and verifying the related content on the CP content server by using the stored content summary information in the service management platform, and the content that fails the verification will be limited. Provided to the user. This guarantees the rights of operators and large users.
  • the present invention is implemented on the basis of the structure shown in FIG. 1.
  • the service management platform 102 newly adds a function of storing media content summary information, and the service management platform 102 verifies the media content provided by the CP content server 103.
  • the summary information of the verified media content is stored during uploading, and the summary information is data generated by using an encoding algorithm for the media content; in addition, the service management platform 102 further adds a content verification function, and receives a user request.
  • the corresponding content provided on the CP content server 103 will be verified.
  • the content provided on the CP content server 103 is provided to the user when the content registered on the service management platform 102 is identical, otherwise it will be rejected for the user.
  • the present invention newly adds a media content summary information item in an existing media content service item, and the summary information is data generated after all or part of the media content is encoded.
  • Summary information by The service management platform 102 is responsible for collecting and storing, and may be encoded data of a certain segment of the media content, or encoded data of a certain number of media contents at different time points, and the encoding algorithm may adopt any one of the existing encoding algorithms. It should be noted that the service management platform 102 and the CP content server 103 need to uniformly select a method and an encoding algorithm for the media content, so that the service management platform 102 can perform verification according to the content provided by the CP content server 103.
  • the service management platform 102 verifies the content provided by the CP content server 103. Before the uploading, the service management platform 102 provides a GUI interface for registering content to the CP, and the CP uses the CP terminal 104 to complete content registration through the GUI interface, that is, completes the CP. The identity authentication, the legality verification of the provided content, and the like, and providing a service item by verifying the content, the service management platform 102 stores the summary information of the verified content.
  • the service items of the media content include but are not limited to: content summary information, content guide, content name or ID, and service parameter description.
  • the service parameter description expresses the IP, port, and media encoding parameters of the content provided by the CP, such as a Session Description Protocol (SDP) file.
  • SDP Session Description Protocol
  • the content guide is a list of service content provided by the operator to the user, and may be a list of content topics.
  • the content providing method of the present invention includes the following steps:
  • Step 201 The user terminal 101 obtains a content guide from the service management platform 102, selects a required content according to the content guide, and sends a content service request, and the service management platform 102 authenticates the user terminal 101 after receiving the content service request of the user. Including authentication of the user identity and determination of whether the user right has reached the permission to set the content to be requested, etc., if the authentication succeeds in performing the steps
  • the interaction mode the user terminal 101 obtains the content guide information through the interaction request response mode with the service management platform 102.
  • the broadcast mode the broadcast channel of the user terminal 101 from the known service management platform 102 Get business guide information.
  • Step 202 After the user authentication is passed, the service management platform 102 determines whether the content to be requested by the user meets the verification condition, and if the verification condition is met, step 203 is performed, and if not, the process proceeds to step 204;
  • the verification condition at least includes: the content verification period to be requested arrives, and the number of requested content requests reaches a set threshold.
  • the verification condition refers to one of the following:
  • the content verification period to be requested arrives, and the number of requests for content to be requested reaches a set threshold. Setting the check condition can improve the flexibility and robustness of the system. In addition, it takes into account the workload of the business management platform 102 and avoids consuming too much resources.
  • the calibration condition may not be set according to actual needs, and when the content request of the user is received, the process proceeds to step 203.
  • Step 203 The service management platform 102 sends a verification instruction to the CP content server 103.
  • the CP content server 103 encodes and calculates the corresponding content to obtain summary information, and returns the calculation result to the service management platform 102.
  • the management platform 102 compares with the stored summary information of the to-be-requested content to determine whether the information is consistent. If yes, the process proceeds to step 204, otherwise the current process ends.
  • the algorithm for summary information calculation is specified or provided by the service management platform 102. Abstract
  • the algorithm for information calculation can be any of the existing algorithms.
  • the service management platform 102 may delete the service item corresponding to the content, and send a message to notify the CP.
  • Step 204 Return the to-be-requested content address to the user, and the user can access the corresponding content on the CP content server 103 through the content address, and the content can be parsed and displayed.
  • the following methods may also be used for verification:
  • Step 301 The user terminal 101 sends a content service request to the service management platform 102. (This step is the same as step 201)
  • Step 302 The service management platform 102 returns a content address to be requested to the user, and the user accesses the CP content server 103 through the content address to request to obtain the media content.
  • Step 303 after receiving the request of the user, the CP content server 103 interacts with the service management platform 102. Interacting, inquiring whether the service management platform 102 needs to perform verification, the service management platform can judge according to the verification condition (the verification condition is the same as the verification condition in step 202), and notify the CP content server 103 when the verification is needed;
  • the CP server may directly perform step 304 for subsequent insurance processing after receiving the request.
  • Step 304 the CP content server 103 calculates the corresponding content to obtain the summary information, and returns the calculation result to the service management platform 102.
  • Step 305 the service management platform 102 receives the media content summary operation result returned by the CP content server 103, and The stored summary information of the to-be-requested content is compared to determine whether they are consistent, and if they are consistent, the message that the verification is successful is returned to the CP content server 103;
  • Step 306 the CP content server 103 provides the user with the requested media content only after the service management platform 102 returns the verification success message.
  • the invention is simple to implement and can guarantee the interests of the majority of users and operators, and realizes the monitoring of the CP.
  • the service management platform When the CP uploads its content service item to the service management platform, the summary information of the verified content is stored. When the user requests the required content, the service management platform checks the content on the CP content server according to the stored content summary information. Content that fails verification will be restricted to the user. The invention ensures that the content provided by the CP is consistent with the registered content, and the rights of the operator and the majority of users are guaranteed.

Abstract

A method for providing content based on content verification, can verify content provided by CP, so that it can ensure the conformity between the content provided by the CP and registered content. The method is applied to a broadcast multicast content providing system, and includes the following steps: when validating and loading the media content provided by the content server by a service management platform, storing a digest information of the media content which passes verification, wherein, the digest information is obtained by encoding all or part of the media content; when requesting content service by a user, verifying the relevant media content in the content server by the service management platform using the prestored digest information of media content requested by the user, and providing only the media content which passes verification to the user. The method of the invention ensures conformity between the content provided by the CP and the registered content, and ensures rights and interests of operators and users.

Description

基于内容校验的内容提供方法  Content verification method based on content verification
技术领域 Technical field
本发明涉及广播组播系统中内容提供技术,尤其涉及一种基于内容校验 的内容提供方法。  The present invention relates to a content providing technology in a broadcast multicast system, and more particularly to a content providing method based on content verification.
背景技术 Background technique
随着移动网络通讯技术的发展,各种媒体内容信息的传播越来越方便和 丰富多彩。 例如, 各种音乐、 视频、 游戏等大为用户所接受。 各种丰富内容 相当程度上依赖内容提供商(CP, Content Provider )制作提供, 部分内容甚 至由 CP专有。 这已是丰富增值业务市场的可行方式之一。  With the development of mobile network communication technology, the dissemination of various media content information has become more convenient and colorful. For example, various music, videos, games, etc. are widely accepted by users. The rich content is quite dependent on the content provider (CP), and some of the content is even proprietary to CP. This is one of the viable ways to enrich the value-added business market.
CP通过运营商的广播组播业务中心 (BM-SC, Broadcast and Multicast Service Center )或广播组播业务(BCMCS, Broadcast and Multicast Service ) 管理平台注册内容服务, 为用户提供服务。 但 CP运营的内容本身不上传到 运营商系统进行管理, 而是由 CP维护的内容服务器直接为用户提供服务。  The CP registers content services through the carrier's Broadcast and Multicast Service Center (BM-SC, Broadcast and Multicast Service Center) or the Broadcast and Multicast Service (BCMCS) management platform to provide services for users. However, the content of the CP operation itself is not uploaded to the operator system for management, but the content server maintained by the CP directly provides services to the user.
图 1为现有的内容提供系统组成结构示意图, 如图 1所示, 内容提供系 统包括有用户终端 101、 业务管理平台 102、 CP内容服务器 103和 CP终端 104, 用户终端 101通过 Internet网络连接于业务管理平台 102和 CP内容服 务器 103 , 业务管理平台 102与 CP内容服务器 103之间通过网络或数据传 输线路连接, CP终端 104通过数据传输线路连接于 CP内容服务器 103, CP 终端 104通过图形用户接口 ( GUI, Graphical User Interface )连接于业务管 理平台 102。 其中, 用户终端 101用于从业务管理平台 102获得上载到该业 务管理平台 102的内容指南, 并根据内容指南选择所需服务内容; 用户终端 101还用于向业务管理平台 102发起鉴权请求, 解析内容服务参数, 从 CP 内容服务器 103获得内容数据并展示。  1 is a schematic structural diagram of a conventional content providing system. As shown in FIG. 1, the content providing system includes a user terminal 101, a service management platform 102, a CP content server 103, and a CP terminal 104. The user terminal 101 is connected through an Internet network. The service management platform 102 and the CP content server 103, the service management platform 102 and the CP content server 103 are connected by a network or a data transmission line, the CP terminal 104 is connected to the CP content server 103 via a data transmission line, and the CP terminal 104 passes through a graphical user interface. (GUI, Graphical User Interface) is connected to the service management platform 102. The user terminal 101 is configured to obtain a content guide uploaded from the service management platform 102 to the service management platform 102, and select a required service content according to the content guide. The user terminal 101 is further configured to initiate an authentication request to the service management platform 102. The content service parameters are parsed, and the content data is obtained from the CP content server 103 and displayed.
业务管理平台 102用于提供 CP注册内容服务功能, 对 CP提供的内容 进行合法性校验以及完成对用户终端的鉴权。  The service management platform 102 is configured to provide a CP registration content service function, perform legality verification on the content provided by the CP, and complete authentication of the user terminal.
CP内容服务器 103用于为用户终端 101提供内容服务,承载各种内容。 CP终端 104用于向业务管理平台 102进行内容服务注册以及对 CP内容 服务器 103进行管理。 The CP content server 103 is used to provide a content service for the user terminal 101 to carry various contents. The CP terminal 104 is configured to perform content service registration with the service management platform 102 and manage the CP content server 103.
在某些情况下, CP内容服务器 103和 CP终端 104可为一体结构。 由于 CP可对 CP内容服务器上的内容进行维护, 因此, 在图 1所示的 内容提供系统中, CP所提供的内容, 有可能与 CP在业务管理平台注册、 通过合法校验的内容不一致。 这样, 运营商和广大用户的权益可能受侵犯, CP所提供内容可能会违法, 严重时可能危害国家和社会的公共安全。  In some cases, the CP content server 103 and the CP terminal 104 may be of a unitary structure. Since the CP can maintain the content on the CP content server, in the content providing system shown in FIG. 1, the content provided by the CP may be inconsistent with the content that the CP registers with the service management platform and passes the legal check. In this way, the rights of operators and users may be violated. The content provided by CP may be illegal, and in serious cases may endanger the public safety of the state and society.
发明内容 Summary of the invention
本发明要解决的技术问题是提供一种基于内容校验的内容提供方法,能 对 CP提供的内容进行校验, 保证与注册过的内容的一致性。  The technical problem to be solved by the present invention is to provide a content providing method based on content verification, which can verify the content provided by the CP and ensure consistency with the registered content.
为达到上述目的, 本发明的技术方案是这样实现的:  In order to achieve the above object, the technical solution of the present invention is achieved as follows:
一种基于内容校验的内容提供方法, 适用于广播组播内容提供系统, 包 括:  A content verification method based on content verification, which is applicable to a broadcast multicast content providing system, including:
业务管理平台对内容服务器所提供的媒体内容进行验证、上载时,存储 通过验证的媒体内容的摘要信息; 在用户请求内容服务时,业务管理平台利用预先存储的用户请求的媒体 内容的摘要信息对内容服务器上相关媒体内容进行校验,只有通过校验的媒 体内容才会提供给用户。  The service management platform stores the summary information of the verified media content when the media content provided by the content server is verified and uploaded; when the user requests the content service, the service management platform utilizes the pre-stored summary information of the media content requested by the user. The relevant media content on the content server is verified, and only the verified media content is provided to the user.
进一步地,所述摘要信息是对全部或部分媒体内容的进行编码计算得到 的数据。 Further, the summary information is data obtained by encoding all or part of the media content.
进一步地, 业务管理平台对内容服务器所提供的内容进行验证, 上载通 过验证的媒体内容的服务项目,所述服务项目中至少包括所述通过验证的媒 体内容的摘要信息, 该方法进一步包括以下步骤:  Further, the service management platform verifies the content provided by the content server, uploads the service item of the verified media content, and the service item includes at least the summary information of the verified media content, and the method further includes the following steps. :
A、 业务管理平台接收到用户的内容服务请求时对用户进行鉴权, 在鉴 权失败时结束当前处理, 否则执行下一步; B、 业务管理平台向内容服务器发送校验指令, 所述内容服务器对用户 请求的媒体内容的进行计算得到摘要信息,将计算得到的摘要信息返回给所 述业务管理平台,所述业务管理平台在收到内容服务器返回的摘要信息后与 所存储的待请求媒体内容的摘要信息进行比较,若一致则向用户返回待请求 内容地址, 否则结束当前处理。 A. The service management platform authenticates the user when receiving the content service request of the user, and ends the current processing when the authentication fails, otherwise performs the next step; The service management platform sends a verification instruction to the content server, where the content server calculates the media content requested by the user to obtain summary information, and returns the calculated summary information to the service management platform, where the service management platform is After receiving the summary information returned by the content server, it compares with the stored summary information of the to-be-requested media content, and if yes, returns the to-be-requested content address to the user, otherwise the current processing ends.
进一步地, 所述方法进一步包括以下步骤: M、 业务管理平台接收到用 户的内容服务请求后向其返回待请求内容地址,用户通过该内容地址访问内 容服务器, 请求获取媒体内容; N、 所述内容服务器收到用户的请求后, 对 用户请求的媒体内容的进行计算得到摘要信息,将计算得到的摘要信息发送 给所述业务管理平台; 0, 所述业务管理平台在收到内容服务器发送的摘要 信息后与所存储的待请求媒体内容的摘要信息进行比较,若一致则向所述内 容服务器返回确认信息, 所述内容服务器向用户提供媒体内容服务。  Further, the method further includes the following steps: M. After receiving the content service request of the user, the service management platform returns a to-be-requested content address, and the user accesses the content server by using the content address to request to obtain the media content; After receiving the request from the user, the content server calculates the media content requested by the user to obtain summary information, and sends the calculated summary information to the service management platform; 0, the service management platform receives the content server. The summary information is compared with the stored summary information of the to-be-requested media content, and if they are consistent, the confirmation information is returned to the content server, and the content server provides the media content service to the user.
进一步地,所述步骤 B中业务管理平台向内容服务器发送校验指令之前 先判断用户待请求内容是否满足预设的校验条件,在满足时向内容服务器发 送校验指令。  Further, before the service management platform sends the verification instruction to the content server in step B, it is determined whether the content to be requested by the user satisfies a preset verification condition, and sends a verification instruction to the content server when satisfied.
进一步地, 在所述步骤 N 中, 内容服务器收到用户的请求后, 与所述 业务管理平台进行交互, 业务管理平台根据预设的校验条件确认需要校验 后, 内容服务器再进行摘要信息计算。  Further, in the step N, after receiving the request from the user, the content server interacts with the service management platform, and after the service management platform confirms that the verification is required according to the preset verification condition, the content server performs the summary information again. Calculation.
进一步地, 所述预设校验条件至少包括: 待请求内容校验周期到来、 待 请求内容请求次数达到设定阈值。  Further, the preset verification condition at least includes: the content verification period to be requested arrives, and the number of requested content requests reaches a set threshold.
进一步地, 所述预设的校验条件是指以下之一: 待请求内容校验周期是 否到来; 待请求内容请求次数是否达到设定阈值; 判断是否满足以下两个条 件中的任意一个: 待请求内容校验周期到来、待请求内容请求次数达到设定 阈值。  Further, the preset check condition refers to one of the following: whether the content verification period to be requested is coming; whether the number of requests for the content to be requested reaches a set threshold; determining whether one of the following two conditions is met: The content verification period is requested, and the number of requests for content to be requested reaches a set threshold.
进一步地,内容服务器所采用的计算摘要信息的方法由业务管理平台提 供或指定。  Further, the method of calculating summary information employed by the content server is provided or specified by the service management platform.
进一步地, 业务管理平台对内容服务器所提供的媒体内容进行验证, 上 载通过验证的媒体内容的服务项目, 所述服务项目至少包括: 所述通过验证 的媒体内容的摘要信息。 Further, the service management platform verifies the media content provided by the content server, and uploads the service item of the verified media content, where the service item at least includes: Summary information for the media content.
在 CP向业务管理平台进行内容注册时,对其注册内容进行合法性验证, 通过验证的内容才在业务管理平台上载其内容服务项目并存储其摘要信息, 在用户请求所需内容时, 业务管理平台判断用户请求内容是否需进行校验, 需要校验时根据存储的内容摘要信息对 CP内容服务器上内容进行校验, 未 通过校验的内容将被限制提供给用户。 本发明保证了 CP所提供内容与所注 册内容一致, 保证了运营商和广大用户的权益。 附图概述 When the CP registers the content with the service management platform, the registration content is verified for legality. The verified content uploads its content service item and stores the summary information on the service management platform. When the user requests the required content, the service management The platform determines whether the content requested by the user needs to be verified. When the verification is required, the content on the CP content server is verified according to the stored content summary information, and the content that fails the verification is limited to be provided to the user. The invention ensures that the content provided by the CP is consistent with the registered content, and the rights of the operator and the majority of users are guaranteed. BRIEF abstract
图 1为现有的内容提供系统组成结构示意图;  1 is a schematic structural diagram of a conventional content providing system;
图 2为本发明基于内容校验的内容提供方法的流程图。  2 is a flow chart of a content providing method based on content verification according to the present invention.
本发明的较佳实施方式 Preferred embodiment of the invention
本发明的核心思想是: 通过业务管理平台存储 CP通过验证的内容的摘 要信息, 在业务管理平台利用存储的内容摘要信息对 CP内容服务器上相关 内容进行校验, 未通过校验的内容将限制提供给用户。 以此保证运营商和广 大用户的权益。 以下结合附图对本发明进行详细描述。  The core idea of the present invention is: storing the summary information of the content verified by the CP through the service management platform, and verifying the related content on the CP content server by using the stored content summary information in the service management platform, and the content that fails the verification will be limited. Provided to the user. This guarantees the rights of operators and large users. The invention is described in detail below with reference to the accompanying drawings.
本发明是在图 1所示的结构基础上实现的,其中的业务管理平台 102新 增设了存储媒体内容摘要信息的功能, 业务管理平台 102对 CP内容服务器 103所提供的媒体内容进行验证、 上载时存储这些通过验证的媒体内容的摘 要信息, 所述摘要信息是对媒体内容使用编码算法而产生的数据; 此外, 业 务管理平台 102还新增设了内容校验功能, 在收到用户请求时将会对 CP内 容服务器 103上所提供的相应内容进行校验, CP内容服务器 103上所提供 内容与业务管理平台 102上注册内容一致时才向用户提供,否则将被拒绝提 供给用户。  The present invention is implemented on the basis of the structure shown in FIG. 1. The service management platform 102 newly adds a function of storing media content summary information, and the service management platform 102 verifies the media content provided by the CP content server 103. The summary information of the verified media content is stored during uploading, and the summary information is data generated by using an encoding algorithm for the media content; in addition, the service management platform 102 further adds a content verification function, and receives a user request. The corresponding content provided on the CP content server 103 will be verified. The content provided on the CP content server 103 is provided to the user when the content registered on the service management platform 102 is identical, otherwise it will be rejected for the user.
具体地,本发明在现有媒体内容服务项目中新增加了媒体内容摘要信息 一项, 该摘要信息是媒体内容的全部或部分编码后产生的数据。摘要信息由 业务管理平台 102负责收集并保存, 可以是媒体内容中某一段的编码数据, 或者是不同时间点上某几段媒体内容的编码数据 ,编码算法可以采用现有编 码算法中任意一种。需要注意的是,业务管理平台 102与 CP内容服务器 103 需统一选取媒体内容的方法和编码算法, 以便业务管理平台 102 能够根据 CP内容服务器 103提供的内容进行校验。 Specifically, the present invention newly adds a media content summary information item in an existing media content service item, and the summary information is data generated after all or part of the media content is encoded. Summary information by The service management platform 102 is responsible for collecting and storing, and may be encoded data of a certain segment of the media content, or encoded data of a certain number of media contents at different time points, and the encoding algorithm may adopt any one of the existing encoding algorithms. It should be noted that the service management platform 102 and the CP content server 103 need to uniformly select a method and an encoding algorithm for the media content, so that the service management platform 102 can perform verification according to the content provided by the CP content server 103.
业务管理平台 102对 CP内容服务器 103所提供的内容进行验证, 上载 前所述, 业务管理平台 102向 CP提供注册内容用的 GUI接口, CP利用 CP 终端 104通过 GUI接口完成内容注册, 即完成 CP的身份认证、 所提供内容 的合法性校验等, 并提供通过校验内容的服务项目, 业务管理平台 102存储 这些通过验证内容的摘要信息。  The service management platform 102 verifies the content provided by the CP content server 103. Before the uploading, the service management platform 102 provides a GUI interface for registering content to the CP, and the CP uses the CP terminal 104 to complete content registration through the GUI interface, that is, completes the CP. The identity authentication, the legality verification of the provided content, and the like, and providing a service item by verifying the content, the service management platform 102 stores the summary information of the verified content.
所述媒体内容的服务项目包括但不限于: 内容摘要信息、 内容指南、 内 容名称或 ID、服务参数描述。其中,服务参数描述表达了 CP提供内容的 IP、 端口、媒体编码参数等,如会话描述协议( SDP, Session Description Protocol ) 文件。 内容指南即是运营商向用户提供的服务内容的列表, 可以是内容主题 列表。  The service items of the media content include but are not limited to: content summary information, content guide, content name or ID, and service parameter description. The service parameter description expresses the IP, port, and media encoding parameters of the content provided by the CP, such as a Session Description Protocol (SDP) file. The content guide is a list of service content provided by the operator to the user, and may be a list of content topics.
图 2为本发明基于内容校验的内容提供方法的流程图, 如图 2所示, 本 发明的内容提供方法包括以下步骤:  2 is a flowchart of a method for providing content based on content verification according to the present invention. As shown in FIG. 2, the content providing method of the present invention includes the following steps:
步骤 201 : 用户终端 101从业务管理平台 102获取内容指南, 根据内容 指南选择所需的内容, 并发送内容服务请求, 业务管理平台 102接收到用户 的内容服务请求后对用户终端 101进行鉴权,包括对用户身份进行认证以及 对用户权限是否达到待请求内容设定权限进行判定等,若鉴权成功执行步骤 Step 201: The user terminal 101 obtains a content guide from the service management platform 102, selects a required content according to the content guide, and sends a content service request, and the service management platform 102 authenticates the user terminal 101 after receiving the content service request of the user. Including authentication of the user identity and determination of whether the user right has reached the permission to set the content to be requested, etc., if the authentication succeeds in performing the steps
202, 若鉴权失败则结束当前处理; 202. If the authentication fails, the current processing ends.
获取内容指南方式可以有多种, 如交互方式: 用户终端 101通过与业务 管理平台 102的交互请求应答方式, 获得内容指南信息; 广播方式: 用户终 端 101从已知的业务管理平台 102的广播信道中获取业务指南信息。  There are various ways to obtain the content guide, such as the interaction mode: the user terminal 101 obtains the content guide information through the interaction request response mode with the service management platform 102. The broadcast mode: the broadcast channel of the user terminal 101 from the known service management platform 102 Get business guide information.
步骤 202: 在用户鉴权通过后, 业务管理平台 102判断用户待请求内容 是否满足校验条件, 满足校验条件的则执行步骤 203, 若不满足则进入步骤 204; 所述校验条件至少包括: 待请求内容校验周期到来、待请求内容请求次 数达到设定阈值。 具体地, 所述校验条件是指以下之一: Step 202: After the user authentication is passed, the service management platform 102 determines whether the content to be requested by the user meets the verification condition, and if the verification condition is met, step 203 is performed, and if not, the process proceeds to step 204; The verification condition at least includes: the content verification period to be requested arrives, and the number of requested content requests reaches a set threshold. Specifically, the verification condition refers to one of the following:
待请求内容校验周期是否到来;  Whether the request content verification cycle is coming;
待请求内容请求次数是否达到设定阈值;  Whether the number of requests for content to be requested reaches a set threshold;
判断是否满足以下两个条件中的任意一个: 待请求内容校验周期到来、 待请求内容请求次数达到设定阈值。 设置校验条件可以提高系统灵活性和健壮性,另外也是考虑到业务管理 平台 102的工作量, 避免占用其过多资源。 根据实际需要, 也可以不设置校 验条件, 在接收到用户的内容请求时即进入步骤 203。  It is judged whether any one of the following two conditions is met: The content verification period to be requested arrives, and the number of requests for content to be requested reaches a set threshold. Setting the check condition can improve the flexibility and robustness of the system. In addition, it takes into account the workload of the business management platform 102 and avoids consuming too much resources. The calibration condition may not be set according to actual needs, and when the content request of the user is received, the process proceeds to step 203.
步骤 203: 业务管理平台 102向 CP内容服务器 103发送校验指令, CP 内容服务器 103 收到此校验指令后对相应的内容进行编码计算得到摘要信 息, 并将计算结果返回业务管理平台 102, 业务管理平台 102在收到 CP内 容服务器 103 返回的媒体内容摘要信息后与所存储的该待请求内容的摘要 信息进行比较,判断是否一致, 若一致则进入步骤 204, 否则结束当前处理; 本发明中, 摘要信息计算的算法由业务管理平台 102指定或提供。 摘要 信息计算的算法可以是现有算法的任何一种。 本步骤中, 当校验出 CP内容 服务器 103上的内容与注册内容不一致时,可由业务管理平台 102删除该内 容对应的服务项目, 并发消息通知 CP。  Step 203: The service management platform 102 sends a verification instruction to the CP content server 103. After receiving the verification instruction, the CP content server 103 encodes and calculates the corresponding content to obtain summary information, and returns the calculation result to the service management platform 102. After receiving the media content summary information returned by the CP content server 103, the management platform 102 compares with the stored summary information of the to-be-requested content to determine whether the information is consistent. If yes, the process proceeds to step 204, otherwise the current process ends. The algorithm for summary information calculation is specified or provided by the service management platform 102. Abstract The algorithm for information calculation can be any of the existing algorithms. In this step, when it is verified that the content on the CP content server 103 is inconsistent with the registered content, the service management platform 102 may delete the service item corresponding to the content, and send a message to notify the CP.
步骤 204: 向用户返回待请求内容地址, 用户通过内容地址即可访问到 CP内容月 务器 103上的相应内容, 即可解析并显示该内容。  Step 204: Return the to-be-requested content address to the user, and the user can access the corresponding content on the CP content server 103 through the content address, and the content can be parsed and displayed.
根据业务管理平台实现方式的不同, 在另一实施例中, 也可采用如下的 方法进行校验: According to different implementations of the service management platform, in another embodiment, the following methods may also be used for verification:
步骤 301, 用户终端 101向业务管理平台 102发送内容服务请求; (本 步骤同步骤 201 )  Step 301: The user terminal 101 sends a content service request to the service management platform 102. (This step is the same as step 201)
步骤 302, 业务管理平台 102向用户返回待请求内容地址, 用户通过内 容地址访问到 CP内容服务器 103 , 请求获取媒体内容;  Step 302: The service management platform 102 returns a content address to be requested to the user, and the user accesses the CP content server 103 through the content address to request to obtain the media content.
步骤 303, CP内容服务器 103收到用户的请求后, 与业务管理平台 102 进行交互, 询问业务管理平台 102是否需要进行校验, 业务管理平台可根据 校验条件进行判断(校验条件同步骤 202中的校验条件), 需要校验时通知 CP内容服务器 103; Step 303, after receiving the request of the user, the CP content server 103 interacts with the service management platform 102. Interacting, inquiring whether the service management platform 102 needs to perform verification, the service management platform can judge according to the verification condition (the verification condition is the same as the verification condition in step 202), and notify the CP content server 103 when the verification is needed;
在其他实施例中, CP服务器也可以在收到请求后直接执行步骤 304进 行后续校险处理。  In other embodiments, the CP server may directly perform step 304 for subsequent insurance processing after receiving the request.
步骤 304, CP内容服务器 103对相应的内容进行计算得到摘要信息, 并将计算结杲返回业务管理平台 102; 步骤 305 , 业务管理平台 102收到 CP内容服务器 103返回的媒体内容 摘要运算结果后与所存储的该待请求内容的摘要信息进行比较,判断是否一 致, 若一致则向 CP内容服务器 103返回验证成功的消息;  Step 304, the CP content server 103 calculates the corresponding content to obtain the summary information, and returns the calculation result to the service management platform 102. Step 305, the service management platform 102 receives the media content summary operation result returned by the CP content server 103, and The stored summary information of the to-be-requested content is compared to determine whether they are consistent, and if they are consistent, the message that the verification is successful is returned to the CP content server 103;
步骤 306, CP内容服务器 103只有在业务管理平台 102返回验证成功 消息后才向用户提供其请求的媒体内容。  Step 306, the CP content server 103 provides the user with the requested media content only after the service management platform 102 returns the verification success message.
本发明实现简单且可保证广大用户和运营商的利益, 实现了对 CP的监 测。 The invention is simple to implement and can guarantee the interests of the majority of users and operators, and realizes the monitoring of the CP.
以上所述仅为本发明的较佳实施例而已,并非用于限定本发明的保护范 围。  The above description is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
工业实用性 Industrial applicability
在 CP向业务管理平台上载其内容服务项目时, 存储验证后的内容的摘 要信息, 当在用户请求所需内容时, 业务管理平台根据存储的内容摘要信息 对 CP内容服务器上内容进行校验,未通过校验的内容将被限制提供给用户。 本发明保证了 CP所提供内容与所注册内容一致, 保证了运营商和广大用户 的权益。  When the CP uploads its content service item to the service management platform, the summary information of the verified content is stored. When the user requests the required content, the service management platform checks the content on the CP content server according to the stored content summary information. Content that fails verification will be restricted to the user. The invention ensures that the content provided by the CP is consistent with the registered content, and the rights of the operator and the majority of users are guaranteed.

Claims

权 利 要 求 书 Claim
1、 一种基于内容校验的内容提供方法,适用于广播组播内容提供系统, 其特征在于, A content providing method based on content verification, which is applicable to a broadcast multicast content providing system, wherein
业务管理平台对内容服务器所提供的媒体内容进行验证、上载时, 存储 通过验证的媒体内容的摘要信息;  The service management platform stores the summary information of the verified media content when the media content provided by the content server is verified and uploaded;
在用户请求内容服务时,业务管理平台利用预先存储的用户请求的媒体 内容的摘要信息对内容服务器上相关媒体内容进行校验,只有通过校验的媒 体内容才会提供给用户。  When the user requests the content service, the service management platform verifies the related media content on the content server by using the pre-stored summary information of the media content requested by the user, and only the verified media content is provided to the user.
2、 根据权利要求 1所述的方法, 其特征在于, 所述摘要信息是对全部 或部分媒体内容的进行编码计算得到的数据。 2. The method according to claim 1, wherein the summary information is data obtained by encoding all or part of the media content.
3、 根据权利要求 2所述的方法, 其特征在于, 业务管理平台对内容服 务器所提供的内容进行验证, 上载通过验证的媒体内容的服务项目, 所述服 务项目中至少包括所述通过验证的媒体内容的摘要信息,该方法进一步包括 以下步骤: A、 业务管理平台接收到用户的内容服务请求时对用户进行鉴权, 在鉴 权失败时结束当前处理, 否则执行下一步; The method according to claim 2, wherein the service management platform verifies the content provided by the content server, uploads the service item of the verified media content, and the service item includes at least the verified The summary information of the media content, the method further includes the following steps: A. The service management platform authenticates the user when receiving the content service request of the user, and ends the current process when the authentication fails, otherwise performs the next step;
B、 业务管理平台向内容服务器发送校验指令, 所述内容服务器对用户 请求的媒体内容的进行计算得到摘要信息,将计算得到的摘要信息返回给所 述业务管理平台,所述业务管理平台在收到内容服务器返回的摘要信息后与 所存储的待请求媒体内容的摘要信息进行比较,若一致则向用户返回待请求 内容地址, 否则结束当前处理。  The service management platform sends a verification instruction to the content server, where the content server calculates the media content requested by the user to obtain summary information, and returns the calculated summary information to the service management platform, where the service management platform is After receiving the summary information returned by the content server, it compares with the stored summary information of the to-be-requested media content, and if yes, returns the to-be-requested content address to the user, otherwise the current processing ends.
4、 根据权利要求 2所述的方法, 其特征在于, 所述方法进一步包括以 下步骤: 4. The method according to claim 2, wherein the method further comprises the following steps:
M、业务管理平台接收到用户的内容服务请求后向其返回待请求内容地 址, 用户通过该内容地址访问内容服务器, 请求获取媒体内容;  M. After receiving the content service request of the user, the service management platform returns a requesting content address to the user, and the user accesses the content server through the content address to request to obtain the media content.
N、 所述内容服务器收到用户的请求后, 对用户请求的媒体内容的进行 计算得到摘要信息, 将计算得到的摘要信息发送给所述业务管理平台;N. After receiving the request of the user, the content server performs media content requested by the user. Calculating the summary information, and sending the calculated summary information to the service management platform;
0, 所述业务管理平台在收到内容服务器发送的摘要信息后与所存储的 待请求媒体内容的摘要信息进行比较,若一致则向所述内容服务器返回确认 信息, 所述内容服务器向用户提供媒体内容服务。 0. After receiving the summary information sent by the content server, the service management platform compares with the stored summary information of the to-be-requested media content, and if yes, returns confirmation information to the content server, where the content server provides the user with Media content service.
5、 居权利要求 3所述的方法, 其特征在于, 所述步骤 B中业务管理 平台向内容服务器发送校验指令之前先判断用户待请求内容是否满足预设 的校验条件, 在满足时向内容服务器发送校验指令。 The method of claim 3, wherein the service management platform in step B determines whether the content to be requested by the user satisfies a preset verification condition before sending the verification instruction to the content server, and when the content is satisfied, The content server sends a verification command.
6、 根据权利要求 4所述的方法, 其特征在于, 在所述步骤 N中, 内容 服务器收到用户的请求后, 与所述业务管理平台进行交互, 业务管理平台根 据预设的校验条件确认需要校验后, 内容服务器再进行摘要信息计算。 The method according to claim 4, wherein, in the step N, after receiving the request of the user, the content server interacts with the service management platform, and the service management platform is configured according to a preset verification condition. After confirming that verification is required, the content server performs summary information calculation.
7、 根据权利要求 5或 6所述的方法, 其特征在于, 所述预设校验奈件 至少包括: 待请求内容校验周期到来、 待请求内容请求次数达到设定阈值。 The method according to claim 5 or 6, wherein the preset verification component comprises at least: the content verification period to be requested arrives, and the number of requested content requests reaches a set threshold.
8、 根据权利要求 7所述的方法, 其特征在于, 所述预设的校验条件是 指以下之一: 8. The method according to claim 7, wherein the preset verification condition is one of the following:
待请求内容校验周期是否到来;  Whether the request content verification cycle is coming;
待请求内容请求次数是否达到设定阔值; 判断是否满足以下两个条件中的任意一个: 待请求内容校验周期到来、 待请求内容请求次数达到设定阔值。  Whether the number of requests for the requested content reaches the set threshold; determining whether one of the following two conditions is met: The content verification period to be requested arrives, and the number of requests for the requested content reaches the set threshold.
9、 根据权利要求 1至 4中任一权利要求所述的方法, 其特征在于, 内 容服务器所采用的计算摘要信息的方法由业务管理平台提供或指定。 The method according to any one of claims 1 to 4, characterized in that the method for calculating summary information used by the content server is provided or specified by the service management platform.
10、 根据权利要求 1或 2或 4所述的方法,其特征在于, 业务管理平台 对内容服务器所提供的媒体内容进行验证,上载通过验证的媒体内容的服务 项目, 所述服务项目至少包括: 所述通过验证的媒体内容的摘要信息。 The method according to claim 1 or 2 or 4, wherein the service management platform verifies the media content provided by the content server, and uploads the service item of the verified media content, the service item at least comprising: The summary information of the verified media content.
PCT/CN2007/003827 2007-07-31 2007-12-27 A method for providing content based on content verification WO2009015537A1 (en)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101102315B (en) * 2007-07-31 2011-05-11 中兴通讯股份有限公司 Content provision method based on content verification
CN101674154B (en) * 2008-09-08 2012-12-19 鸿富锦精密工业(深圳)有限公司 Communication system and communication method
CN101917594A (en) * 2010-08-31 2010-12-15 百视通网络电视技术发展有限责任公司 IPTV (Internet Protocol Television) business system, central and regional business management systems and operation methods
CN101951497B (en) * 2010-08-31 2013-10-23 百视通网络电视技术发展有限责任公司 IPTV (Internet Protocol Television) business system, central business management system, regional business management systems and operation methods
CN103377346B (en) * 2012-04-12 2016-05-04 金蝶软件(中国)有限公司 attachment management method and system
CN107967597A (en) * 2017-11-28 2018-04-27 中国工商银行股份有限公司 Electronic identification processing, storage method and device and electronic identification processing system
CN111090691B (en) * 2019-12-19 2021-02-09 北京百度网讯科技有限公司 Data processing method and device, electronic equipment and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030005306A1 (en) * 2001-06-29 2003-01-02 Hunt Preston J. Message digest based data synchronization
CN1791095A (en) * 2004-12-17 2006-06-21 上海证券通信有限责任公司 Data concentrated backup method, reduction method and its system
CN1851659A (en) * 2005-12-21 2006-10-25 华为技术有限公司 Method for verifying data between main device and back-up device
CN101051963A (en) * 2007-05-24 2007-10-10 中国联合通信有限公司 Content monitor method and device
CN101102315A (en) * 2007-07-31 2008-01-09 中兴通讯股份有限公司 Content provision method based on content verification

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100566322C (en) * 2004-12-13 2009-12-02 上海贝尔阿尔卡特股份有限公司 The method and the corresponding modulation and demodulation device of indication indicated and informed in the transmission paging
CN100561918C (en) * 2005-01-13 2009-11-18 华为技术有限公司 Content-based Verification System and the authentication method that system is provided

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030005306A1 (en) * 2001-06-29 2003-01-02 Hunt Preston J. Message digest based data synchronization
CN1791095A (en) * 2004-12-17 2006-06-21 上海证券通信有限责任公司 Data concentrated backup method, reduction method and its system
CN1851659A (en) * 2005-12-21 2006-10-25 华为技术有限公司 Method for verifying data between main device and back-up device
CN101051963A (en) * 2007-05-24 2007-10-10 中国联合通信有限公司 Content monitor method and device
CN101102315A (en) * 2007-07-31 2008-01-09 中兴通讯股份有限公司 Content provision method based on content verification

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