WO2016184078A1 - 一种定向流量包的实现方法及系统 - Google Patents

一种定向流量包的实现方法及系统 Download PDF

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Publication number
WO2016184078A1
WO2016184078A1 PCT/CN2015/096847 CN2015096847W WO2016184078A1 WO 2016184078 A1 WO2016184078 A1 WO 2016184078A1 CN 2015096847 W CN2015096847 W CN 2015096847W WO 2016184078 A1 WO2016184078 A1 WO 2016184078A1
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WIPO (PCT)
Prior art keywords
service
rule
traffic
video
directional
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PCT/CN2015/096847
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English (en)
French (fr)
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左罗
石松
陈亚斌
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中兴通讯股份有限公司
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Publication of WO2016184078A1 publication Critical patent/WO2016184078A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/254—Management at additional data server, e.g. shopping server, rights management server
    • H04N21/2543—Billing, e.g. for subscription services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25891—Management of end-user data being end-user preferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64784—Data processing by the network
    • H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and system for implementing a directed traffic packet.
  • the directional traffic packet service is a service for directional traffic statistics and charging for a specific Internet site or a specific Internet application (Application, APP).
  • Application, APP Application
  • the traffic that occurs when the user uses the specific Internet APP is included in the directional traffic packet.
  • the charging policy of the directed traffic packet the traffic generated when the user uses the non-specific Internet APP is counted in the ordinary traffic package and charged according to the universal traffic accounting policy.
  • the directional traffic packet service is conducive to the telecom operators to develop a post-paid market, and to carry out cooperation with Internet companies based on traffic services, which is conducive to Internet enterprises to promote their own services with traffic as resources, and also helps users to obtain cheaper traffic.
  • the directional traffic packet service is a business form in which operators, Internet companies, and users win together, and therefore is highly valued by operators.
  • the general configuration rule is a three-layer Internet Protocol (IP) address.
  • IP Internet Protocol
  • the mobile packet gateway identifies the directed service through the configured rule. And marked as different charging rules, charging for directed services; the advantage of such a scheme is that the implementation is simple, and the impact on the performance and modification of the mobile packet gateway is small.
  • the disadvantage is that all the corresponding IPs of the service need to be known in advance.
  • the address is manually configured. For the targeted service, there are more IP addresses (such as the number of IP addresses that the video application generally corresponds to) and some IP addresses often change, such as the video application content distribution network (CDN).
  • the server generally adopts a dynamic scheduling method, and the CDN server may increase frequently, resulting in an increase in the IP address, and the solution has a large defect.
  • IP address corresponding to the Internet service cannot exceed 5 for such services.
  • the Deep Packet Inspection (DPI) identification rule of the directed service can be a Uniform Resource Locator (URL) keyword or a feature code when the user uses the directed service.
  • the mobile packet gateway identifies the service through the configured keyword or signature and marks it as a different charging rule to perform charging for the directed service.
  • the advantage of this solution is that the service is identified by the feature code and the keyword, without complicated configuration.
  • the IP address rule does not need to change the configuration rule according to the change of the IP address because the signature and keyword of the service are relatively fixed.
  • the disadvantage of this scheme is that the identification of signatures and keywords depends on the mobile score.
  • the recognition accuracy of the group gateway For some specific services, the accuracy of the signature code and keyword identification is low, which may lead to errors in the directed traffic statistics, resulting in user complaints.
  • FIG. 1 is a structural diagram of a directional traffic packet service provided by the prior art
  • FIG. 2 is a flowchart of a directional traffic packet service provided by the prior art.
  • the existing directional traffic packet service is based on a traditional strategy.
  • the Policy and Charging Control (PCC) architecture the core network element includes a mobile packet gateway (built-in DPI function and Policy Control Execute Function (PCEF)) and a Policy and Charging Function (PCRF).
  • PCEF Policy Control Execute Function
  • PCRF Policy and Charging Function
  • the identification and charging of the directed traffic service is implemented by configuring the identification rules (generally the IP address and the signature code) of the directed service at the mobile packet gateway.
  • the existing schemes in FIG. 1 and FIG. 2 have certain problems in providing a video APP directed traffic packet service.
  • the targeted traffic packet for the video APP application is a very important scenario in the directed traffic packet service, and it is also the most attractive service for users and Internet manufacturers at present, because the video APP application has more server IP addresses, signatures and Key problems such as keyword identification are difficult, so there is currently no good solution to meet this demand.
  • the object of the present invention is to provide a method and a system for implementing a directed traffic packet, which can better solve the problem that the current solution cannot effectively meet the video APP directed traffic packet service requirement.
  • a method for implementing a directed traffic packet including:
  • the step of determining the directional traffic statistics rule for traffic statistics includes:
  • the second statistical rule for video browsing traffic statistics is triggered as the directional traffic statistics rule according to the obtained deep packet detection and identification information of the video browsing service.
  • the step of determining the directional traffic statistics rule for traffic statistics includes:
  • the first statistical rule and the second statistical rule are evaluated, and the determined rule is used as a directed traffic statistical rule.
  • the first statistical rule is evaluated to have a higher priority than the first
  • the second statistical rule determines the first statistical rule as a directed traffic statistical rule.
  • the method further comprises:
  • the QoS parameter information is obtained, and the obtained QoS parameter information is used to establish a video playback dedicated bearer for guaranteeing the QoS.
  • a system for implementing a directed traffic packet including:
  • a detecting module configured to detect the initiated directional traffic service
  • a first acquiring module configured to acquire IP address information of the video playing service when detecting that the initiated directional traffic service is a video playing service
  • a second acquiring module configured to acquire deep packet detection and identification information of the video browsing service, when detecting that the initiated directional traffic service is a video browsing service;
  • a rule determining module configured to determine, according to the IP address information and/or the deep packet detection identification information, a directional traffic statistics rule used for traffic statistics;
  • the traffic statistics module is configured to perform statistics on the corresponding directional traffic according to the directional traffic statistics rule.
  • the rule determining module triggers a pre-configured first statistical rule for video playback traffic statistics according to the obtained IP address information of the video playing service, and uses the triggered first statistical rule as a directional flow to the statistical rule. Or, according to the obtained deep packet detection and identification information of the video browsing service, triggering a pre-configured second statistical rule for video browsing traffic statistics as a directional traffic statistics rule.
  • the rule determining module triggers a pre-configured first statistical rule for video play traffic statistics according to the obtained IP address information of the video play service, and detects the identification information according to the obtained deep packet of the video browsing service. And triggering a pre-configured second statistical rule for video browsing traffic statistics, evaluating the first statistical rule and the second statistical rule, and using the rule determined by the evaluation as a directed traffic statistical rule.
  • the rule determination module evaluates the first statistical rule.
  • the priority is higher than the second statistical rule, and the first statistical rule is determined as a directed traffic statistical rule.
  • the method further comprises:
  • the dedicated bearer establishing module is configured to establish a video playback dedicated bearer for guaranteeing the quality of service by using the quality of service parameter information acquired by the first acquiring module.
  • the invention combines the IP address and the deep packet detection manner to identify, count, and charge the directed traffic, improves the charging accuracy of the video service, and reduces the complexity of the IP address configuration;
  • the present invention can provide a dynamic QoS guarantee function for video playback.
  • FIG. 1 is an architectural diagram of a directed traffic packet service provided by the prior art
  • FIG. 3 is a schematic block diagram of a method for implementing a directed traffic packet according to an embodiment of the present invention
  • FIG. 4 is a block diagram of an implementation system of a directional traffic packet according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a directed traffic packet service according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a directed traffic packet service according to an embodiment of the present invention.
  • FIG. 3 is a schematic block diagram of a method for implementing a directional traffic packet according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • Step S101 Detecting the initiated directional traffic service.
  • Step S102 Acquire IP address information of the video playing service when it is detected that the initiated directional traffic service is a video playing service.
  • the IP address information of the video playing service is obtained by a video player.
  • Step S103 When detecting that the initiated directed traffic service is a video browsing service, obtain the deep packet detection and identification information of the video browsing service.
  • the deep packet detection and identification information of the video browsing service is obtained by using a DPI identification policy, where the deep packet detection and identification information includes a feature code and a keyword of the video browsing service, and may also include the video browsing.
  • the IP address of the service that is, the destination IP address.
  • Step S104 Determine the directional traffic statistics rule for traffic statistics according to the IP address information and/or the deep packet detection identification information.
  • the pre-configured first statistical rule for video playing traffic statistics is triggered according to the acquired IP address information of the video playing service, and the triggered first statistic is generated. Rules are directed to statistical rules.
  • the second statistical rule for video browsing traffic statistics is triggered as the directional traffic statistics rule according to the deep packet detection and identification information of the obtained video browsing service.
  • the pre-configured first statistical rule for video playback traffic statistics is triggered according to the acquired IP address information of the video playback service; Packet detection identification information, triggering a pre-configured second statistical rule for video browsing traffic statistics; The first statistical rule and the second statistical rule are evaluated, and the determined rule is used as a directed traffic statistical rule.
  • the deep packet detection and identification information includes a target IP address, and the included target IP address is the same as the target IP address in the IP address information, the video playing service and the video are illustrated.
  • the browsing service is the same IP address, and the priority of the first statistical rule is higher than the second statistical rule, and the first statistical rule is determined as the directional traffic statistics rule, that is, the subsequent operation only counts the video playing service. Direct traffic, otherwise count the traffic of video playback services and video browsing services.
  • Step S105 Perform statistics on the corresponding directional traffic according to the directional traffic statistics rule.
  • the QoS parameter information may also be obtained, so as to use the obtained QoS parameter information to establish a dedicated bearer for guaranteeing the quality of the video playing service.
  • FIG. 4 is a block diagram of an implementation system of a directional traffic packet according to an embodiment of the present invention. As shown in FIG. 4, the system includes a detection module 10, a first acquisition module 20, a second acquisition module 30, a rule determination module 40, and a traffic statistics module 50.
  • the detecting module 10 is configured to detect the initiated directed traffic service.
  • the first obtaining module 20 obtains the IP address information of the video playing service, and further, the first acquiring module 10 may also obtain the service quality parameter information; when detecting that the initiated directional traffic service is the video playing service,
  • the second obtaining module 30 acquires the deep packet detection and identification information of the video browsing service.
  • the rule determining module 40 determines the directional traffic statistics rule for the traffic statistics. Specifically, when the detecting module 10 only detects the initiation of the video playing service, according to the first acquiring module.
  • the IP address information of the obtained video playback service triggers a pre-configured first statistical rule for video playback traffic statistics, and uses the triggered first statistical rule as a directional flow to the statistical rule; when the detection module 10 only detects the initiation During the video browsing service, the second statistical rule for the video browsing traffic statistics is triggered as the directional traffic statistics rule according to the deep packet detection and identification information of the video browsing service acquired by the second obtaining module 30; when the detecting module 10 detects When the video broadcast service and the video browsing service are initiated, the first statistic rule for the video play traffic statistics is triggered according to the IP address information of the video play service acquired by the first obtaining module 20, and is obtained according to the second obtaining module 30.
  • the depth of the video browsing service detects the identification information and triggers the advance
  • a second set of statistical rules for video browsing traffic statistics statistical rules of the first and second statistical rules are evaluated, and the evaluation rule is determined as the directional flow of the statistical rule.
  • the deep packet detection and identification information includes a target IP address
  • the included target IP address is the same as the target IP address in the IP address information
  • the video playing service and the video are illustrated.
  • the browsing service is the same IP address, and the rule determining module 40 evaluates that the first statistical rule has a higher priority than the second statistical rule, and determines the first statistical rule as a directed traffic statistical rule.
  • the traffic statistics module 50 determines the directional traffic statistics rule determined by the module according to the rule, and performs statistics on the corresponding directional traffic.
  • system further includes a dedicated bearer establishing module (not shown) for establishing the service quality for securing the video playing service by using the quality of service parameter information acquired by the first acquiring module 10 There are bearers.
  • FIG. 5 is a structural diagram of a directional traffic packet service according to an embodiment of the present invention.
  • the directional traffic service SDK, the directional traffic service control system (ie, the traffic management platform), the policy control system, and the mobile packet gateway are respectively
  • the directional traffic service SDK and the directional traffic service control system are added on the basis of the existing architecture shown in FIG. 1.
  • the modules in FIG. 4 can be applied in the architecture of FIG. 5, for example, in the directional traffic service software development kit (SDK), the application detection module 10 and the first acquisition module 20, and the second application in the mobile packet gateway.
  • the obtaining module 30 and the traffic statistic module 50 apply the rule determining module 40 and the like in the policy control system PCRF and the directional traffic service control system, and the specific application location is not limited to the above manner.
  • the directional traffic service SDK is used for the integration of Internet APP, and the functions of directional traffic initiation and directional traffic QoS control are opened to the Internet APP application, and the application side controls the initiation, modification, update and termination of the directional traffic service.
  • the directional traffic service control system integrates the SDK server function and includes the directional traffic rate control function to comprehensively handle the QoS control and traffic accumulation function of the directed traffic service initiated by the SDK.
  • the policy control system PCRF configures the policies and priorities related to the directed traffic, preferentially executes the policies actively transmitted by the Internet APP delivered by the directed traffic service SDK and the traffic management, and the policies identified and triggered by the mobile packet gateway DPI are in the low priority. Level execution.
  • the result of combining the two strategies can ensure that when the user uses the video APP to watch the video (ie, video playback), the entire system can dynamically establish a dedicated bearer for video playback through the policy transmitted by the SDK, and during the statistical video playing period.
  • Directional traffic when the user browses the page using the video APP (ie, video browsing), the entire system can identify the traffic of the triggered policy statistics video APP through the DPI, and the policy control system PCRF and the directional traffic service control system cooperate with each other.
  • the traffic is accumulated, that is, the traffic accumulation generated by the entire process of using the video APP is completed.
  • the mobile packet gateway configures the DPI identification rule of the video directed traffic APP and the dynamic policy rule.
  • the policy control system PCRF configures the charging rule of the video directed traffic service. After the directed traffic service SDK authentication passes and initiates the service, the PCRF first adopts the rule triggered by the directed traffic service control system according to the priority, and then adopts the mobile packet gateway. The rules that the DPI recognizes and triggers, for the same IP address, when the two coexist, the rules passed by the directed traffic service control system are adopted.
  • the directional traffic service SDK obtains the video playing quintuple through the player (including the source IP address, the source).
  • the port, the destination IP address, the destination port, and the transport layer protocol number are dynamically transmitted to the directional traffic service control system in real time; the directional traffic service control system passes the quintuple to the PCRF, triggers the rule, interacts with the mobile packet gateway, and establishes a special
  • the directed traffic service SDK will not be able to obtain the IP address of the current page. This time, the DPI of the mobile packet gateway will be identified and the corresponding rules will be triggered.
  • the PCRF is based on The triggering of the mobile packet gateway also charges such traffic as directed traffic.
  • FIG. 6 is a flowchart of a directed traffic packet service according to an embodiment of the present invention. As shown in FIG. 6, the steps include:
  • Step 1 Pre-configure the directional traffic service-related configuration in the mobile packet gateway and the policy control system PCRF, including configuring the DPI identification policy in the mobile packet gateway, configuring the dynamic policy of the Rx-specific bearer in the PCRF, and nesting the policy of the DPI identification.
  • the strategy is to complete the integration of the directed traffic service SDK and the video APP.
  • Step 2 Open the video app, and the directed traffic service APP&SDK initiates a directed traffic service to the directed service server.
  • Step 3 The video APP transmits the authentication-related parameters by calling the SDK interface (ie, interface A in FIG. 5) to complete the authentication of the directed traffic service control system, so that after the authentication is passed, the video APP is generated during use. The traffic will be counted into the directed traffic package.
  • SDK interface ie, interface A in FIG. 5
  • Step 4 The process of using the video app involves two processes concurrently. Specifically, if the user is currently in the process of playing a video (ie, a video playing service), the process of dynamic QoS guarantee and proprietary bearer traffic statistics initiated by the directed traffic service SDK is triggered, and the video APP will present the current video. The played IP address quintuple and the requested QoS parameters are passed to the directional traffic service control system through the SDK interface. If the current user is in the browsing process of the video APP (ie, the video browsing service), the service identification is performed by the DPI function of the mobile packet gateway, and the feature code of the service is identified.
  • a video ie, a video playing service
  • the service identification is performed by the DPI function of the mobile packet gateway, and the feature code of the service is identified.
  • Step 5 The parameters and policy rules obtained by the directional traffic service control system from the directional traffic service SDK and the rules that the mobile packet gateway identifies and triggers through the DPI will be triggered to the PCRF, and the PCRF will make a tradeoff according to the set priority.
  • the parameters and policies passed by the traffic service SDK are used to establish a dedicated bearer to guarantee QoS and statistics traffic. For the rules triggered by the mobile packet gateway, no dedicated bearer is established, and only traffic is counted.
  • Step 6 The Policy Control System PCRF comprehensively evaluates the policies transmitted by the directed traffic service control system and the policies triggered by the mobile packet gateway based on the pre-configured policy priorities to evaluate the priorities.
  • the rules delivered by the directional traffic service control system are preferred.
  • Step 7 The policy control system sends the evaluated rules to the mobile packet gateway for execution, and performs corresponding QoS guarantee and statistical traffic reporting.
  • Step 8 The mobile packet gateway distributes and reports the traffic according to the traffic fragmentation sent by the directional traffic service control system to the policy control system, and applies for the next traffic fragmentation.
  • the directional traffic service control system accumulates and directs the traffic according to the reported traffic.
  • the traffic in the package account is managed and delivered by the fragmentation.
  • the mobile packet gateway, the policy control system and the directed traffic service control system complete the accumulation of directed traffic.
  • the present invention identifies and bills directed traffic by combining the IP address of the directed traffic service SDK and the mobile packet gateway DPI to identify the directed traffic, and solves the problem of the video application APP directed traffic packet service.
  • the video browsing service faced in the process is inaccurate in flow metering, and the IP address is too large, resulting in high complexity of rule configuration.

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Abstract

本发明公开了一种定向流量包的实现方法及系统，涉及通信领域，所述方法包括：对发起的定向流量业务进行检测；当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息；当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息；根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则；按照所述定向流量统计规则，对相应的定向流量进行统计。本发明通过结合IP地址和深度包检测方式，对定向流量进行识别、统计和计费，实现了对视频浏览业务的准确计费，降低了视频播放业务的配置复杂度。

Description

一种定向流量包的实现方法及系统
本申请要求于2015年5月18日提交中国专利局、申请号为201510252707.6的中国专利申请的优先权，以上全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信领域，特别涉及一种定向流量包的实现方法及系统。
背景技术
随着通信技术的发展，电信运营商和互联网厂商合作推出了定向流量包业务。定向流量包业务是一种针对特定互联网站或者特定互联网应用(Application，APP)的定向流量统计和计费的业务，当用户使用特定互联网APP时所发生的流量则计入到定向流量包中，按照定向流量包的计费策略进行计费，当用户使用非特定互联网APP时所发生的流量则计入到普通流量套装包中按照通用流量计费策略进行计费。定向流量包业务有利于电信运营商开拓后向付费的市场，开展与互联网企业基于流量业务的合作，有利于互联网企业以流量为资源推广自身的业务，同时也有利于用户获取更加便宜的流量。定向流量包业务是一种运营商，互联网企业以及用户三方共赢的业务形式，因此受到运营商的极大重视。
现有实现定向流量包的常见方案有两种：
一、通过在移动分组网关上手动配置定向业务的识别规则，一般配置规则为三层的互联网协议(Internet Protocol，IP)地址，当用户使用定向业务时候，移动分组网关通过配置的规则识别定向业务，并标记为不同的计费规则，进行定向业务的计费；此种方案的优点在于实现方式简单，对移动分组网关的性能和改动影响较小，缺点在于需要事先了解该业务所有对应的IP地址并进行手动配置，对于定向业务对应较多IP地址(如视频应用一般对应的IP地址数量极大)和部分IP地址经常有变化的场景，例如视频应用内容分发网络(Content Delivery Network，CDN)服务器一般采用动态调度的手段，且CDN服务器有可能会经常增加，导致IP地址的增加，该方案存在很大的缺陷。
因此，该方案只适合于特定合作单位能够提供明确的定向业务IP地址，IP地址数量有限且相对固定的情况下开展，目前某运营商对于此类业务，要求互联网业务对应的IP地址不能超过5个。
二、通过在移动分组网关上配置定向业务的深度包检测(Deep Packet Inspection，DPI)识别规则，可以为统一资源定位符(Uniform Resource Locator,URL)关键字或者特征码，当用户使用定向业务的时候，移动分组网关通过配置的关键字或者特征码识别业务并标记为不同的计费规则，进行定向业务的计费；此种方案的优点在于以特征码和关键字识别业务，无需配置复杂的IP地址规则，也无需根据IP地址的变更进行配置规则的变更，因为业务的特征码和关键字相对固定。该方案的缺点在于特征码和关键字的识别依赖于移动分 组网关的识别精度，对于某些特定业务，由于特征码和关键字识别的精度较低，会导致定向流量统计出现差错，从而导致用户的投诉。
图1是现有技术提供的定向流量包业务的架构图，图2是现有技术提供的定向流量包业务的流程图，如图1和图2所示，现有定向流量包业务基于传统策略计费控制(Policy and Charging Control，PCC)架构，核心网元包括移动分组网关(内置DPI功能和策略控制执行功能(Policy Control Execute Function,PCEF))和策略控制系统(Policy and Charging Function，PCRF)，通过在移动分组网关配置定向业务的识别规则(一般为IP地址和特征码)来实现定向流量业务的识别和计费。图1和图2涉及的现有方案在提供视频APP定向流量包业务是存在一定的问题，比如需要提前知道IP地址导致定向业务开展不够便利，IP地址池太复杂和变动频繁导致配置困难，DPI识别准确率不够导致流量统计有偏差，同时此方案也无法提供针对视频播放过程中的动态服务质量(Quality of Service，QoS)保障功能。
针对视频APP应用的定向流量包是定向流量包业务中的一种非常重要的场景，而且也是目前最能吸引用户及互联网厂家关注的业务，由于视频APP应用具有服务端IP地址多，特征码和关键字识别较为困难等多种问题，所以当前未能有较好的方案来满足这一需求。
发明内容
本发明的目的在于提供一种定向流量包的实现方法及系统，能更好地解决当前方案不能有效满足视频APP定向流量包业务需求的问题。
根据本发明的一个方面，提供了一种定向流量包的实现方法，包括：
对发起的定向流量业务进行检测；
当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息；
当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息；
根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则；
按照所述定向流量统计规则，对相应的定向流量进行统计。
优选地，所述的确定用于流量统计的定向流量统计规则的步骤包括：
根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则；或者，
根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则。
优选地，所述的确定用于流量统计的定向流量统计规则的步骤包括：
根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计 的第一统计规则；
根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则；
对所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。
优选地，当所述深度包检测识别信息中包含目标IP地址，且所述目标IP地址与所述IP地址信息中的目标IP地址相同时，评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则。
优选地，还包括：
当检测到发起的定向流量业务是视频播放业务时，获取服务质量参数信息，并利用所获取的服务质量参数信息，建立用于保障服务质量的视频播放专有承载。
根据本发明的另一方面，提供了一种定向流量包的实现系统，包括：
检测模块，用于对发起的定向流量业务进行检测；
第一获取模块，用于当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息；
第二获取模块，用于当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息；
规则确定模块，用于根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则；
流量统计模块，用于按照所述定向流量统计规则，对相应的定向流量进行统计。
优选地，所述规则确定模块根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则，或者，根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则。
优选地，所述规则确定模块根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则，对所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。
优选地，当所述深度包检测识别信息中包含目标IP地址，且所述目标IP地址与所述IP地址信息中的目标IP地址相同时，所述规则确定模块评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则。
优选地，还包括：
专有承载建立模块，用于利用所述第一获取模块获取的服务质量参数信息，建立用于保障服务质量的视频播放专有承载。
与现有技术相比较，本发明的有益效果在于：
1、本发明通过结合IP地址和深度包检测方式，对定向流量进行识别、统计和计费，提高了视频业务的计费准确度，降低了IP地址配置复杂度；
2、本发明能够提供针对视频播放过程中的动态QoS保障功能。
附图说明
图1是现有技术提供的定向流量包业务的架构图；
图2是现有技术提供的定向流量包业务的流程图；
图3是本发明实施例提供的定向流量包的实现方法原理框图；
图4是本发明实施例提供的定向流量包的实现系统框图；
图5是本发明实施例提供的定向流量包业务的架构图；
图6是本发明实施例提供的定向流量包业务的流程图。
具体实施方式
以下结合附图对本发明的优选实施例进行详细说明，应当理解，以下所说明的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
图3是本发明实施例提供的定向流量包的实现方法原理框图，如图3所示，包括：
步骤S101：对发起的定向流量业务进行检测。
步骤S102：当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息。
具体地说，通过视频播放器获取所述视频播放业务的IP地址信息。
步骤S103：当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息。
具体地说，通过DPI识别策略，获取所述视频浏览业务的深度包检测识别信息，所述深度包检测识别信息包括所述视频浏览业务的特征码和关键字，有时还可以包括所述视频浏览业务的IP地址，即目标IP地址。
步骤S104：根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则。
具体地说，当仅检测到发起视频播放业务时，根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则。当仅检测到发起视频浏览业务时，根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则。
当检测到发起视频播放业务和视频浏览业务时，根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则；根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则；对 所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。需要注意的是，当所述深度包检测识别信息中包含目标IP地址，且所包含的目标IP地址与所述IP地址信息中的目标IP地址相同时，说明所述视频播放业务和所述视频浏览业务为同一IP地址，此时评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则，即后续操作仅统计视频播放业务的定向流量，否则同时统计视频播放业务和视频浏览业务的流量。
步骤S105：按照所述定向流量统计规则，对相应的定向流量进行统计。
进一步地，当检测到发起的定向流量业务是视频播放业务时，还可以获取服务质量参数信息，以便利用所获取的服务质量参数信息，建立用于保障视频播放业务服务质量的专有承载。
图4是本发明实施例提供的定向流量包的实现系统框图，如图4所示，包括检测模块10、第一获取模块20、第二获取模块30、规则确定模块40和流量统计模块50。
检测模块10用于对发起的定向流量业务进行检测。当检测到发起的定向流量业务是视频播放业务时，第一获取模块20获取所述视频播放业务的IP地址信息，进一步地，第一获取模块10还可以获取服务质量参数信息；当检测到发起的定向流量业务是视频浏览业务时，第二获取模块30获取所述视频浏览业务的深度包检测识别信息。根据IP地址信息和/或深度包检测识别信息，规则确定模块40确定用于流量统计的定向流量统计规则，具体地说，当检测模块10仅检测到发起视频播放业务时，根据第一获取模块20获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则；当检测模块10仅检测到发起视频浏览业务时，根据第二获取模块30获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则；当检测模块10检测到发起视频播放业务和视频浏览业务时，根据第一获取模块20获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，根据第二获取模块30所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则，对所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。需要注意的是，当所述深度包检测识别信息中包含目标IP地址，且所包含的目标IP地址与所述IP地址信息中的目标IP地址相同时，说明所述视频播放业务和所述视频浏览业务为同一IP地址，此时规则确定模块40评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则。流量统计模块50按照所述规则确定模块确定的定向流量统计规则，对相应的定向流量进行统计。
进一步地，所述系统还包括专有承载建立模块(图中未示出)，其用于利用所述第一获取模块10获取的服务质量参数信息，建立用于保障视频播放业务服务质量的专有承载。
图5是本发明实施例提供的定向流量包业务的架构图，如图5所示，包括定向流量业务SDK、定向流量业务控制系统(即流量经营平台)、策略控制系统和移动分组网关，即 在图1所示的现有架构的基础上增加了定向流量业务SDK和定向流量业务控制系统。图4中各个模块可以应用在图5的架构中，例如在定向流量业务软件开发工具包(Software Development Kit，SDK)中应用检测模块10和第一获取模块20，在移动分组网关中应用第二获取模块30和流量统计模块50，在策略控制系统PCRF和定向流量业务控制系统中应用规则确定模块40等等，具体应用位置不限于上述方式。
定向流量业务SDK用于互联网APP的集成，将定向流量发起，定向流量QoS控制等功能开放给互联网APP应用，由应用端控制定向流量业务的发起、修改、更新和结束。定向流量业务控制系统集成了SDK服务端功能，同时包含定向流量费率控制功能，综合处理由SDK发起的定向流量业务的QoS控制和流量累计的功能。策略控制系统PCRF则配置定向流量相关的策略和优先级，优先执行由定向流量业务SDK和流量经营传递的由互联网APP主动发送的策略，而由移动分组网关DPI识别并触发的策略则处于低优先级执行。两种策略相结合的结果，能够保证当用户在使用视频APP观看视频(即视频播放)的时候，整套系统能够通过SDK传递的策略针对视频播放动态建立专有承载进行QoS保障同时统计视频播放期间的定向流量，当用户在使用视频APP浏览页面(即视频浏览)的时候，整套系统能够通过DPI识别触发的策略统计视频APP浏览的流量，策略控制系统PCRF和定向流量业务控制系统配合将两者的流量进行累积，即完成了对视频APP使用的整个过程产生的流量累计。
工作原理如下：
1、移动分组网关配置视频定向流量APP的DPI识别规则，以及动态策略规则。
2、策略控制系统PCRF配置视频定向流量业务的计费规则，在定向流量业务SDK鉴权通过并发起业务之后，PCRF根据优先级先采用定向流量业务控制系统触发的规则，然后再采用移动分组网关DPI识别并触发的规则，对于同一IP地址，当两者并存时，采用定向流量业务控制系统传递的规则。
3、当定向流量业务发起时，对于视频业务APP，如果当前用户处于视频播放过程中(即视频播放业务)，定向流量业务SDK会通过播放器获取视频播放五元组(包括源IP地址、源端口、目的IP地址、目的端口和传输层协议号)，并实时动态传递给定向流量业务控制系统；定向流量业务控制系统将五元组传递给PCRF，触发规则，与移动分组网关交互，建立专有承载，并针对专有承载进行定向流量的计费过程。
4、如果当前用户处于页面浏览的过程中(即视频浏览业务)，定向流量业务SDK将无法获取当前页面的IP地址，此次会通过移动分组网关的DPI进行识别并触发相应的规则，PCRF根据移动分组网关的触发，将此类流量也作为定向流量进行计费。
图6是本发明实施例提供的定向流量包业务的流程图，如图6所示，步骤包括：
第1步：预先在移动分组网关和策略控制系统PCRF完成定向流量业务相关的配置，包括在移动分组网关配置DPI识别策略，在PCRF配置Rx专有承载的动态策略和DPI识别的策略嵌套的策略，完成定向流量业务SDK与视频APP的集成。
第2步：打开视频APP，定向流量业务APP&SDK向定向业务服务端发起定向流量业务。
第3步：视频APP通过调用SDK接口(即图5中的接口A)传递鉴权相关的参数，完成在定向流量业务控制系统的鉴权，以便在鉴权通过后，视频APP使用过程中产生的流量将会计入到定向流量包中。
第4步：视频APP使用过程中会涉及到两个流程并发进行。具体地说，如果用户当前处于播放视频的过程中(即视频播放业务)，则会触发由定向流量业务SDK发起的动态QoS保障及专有承载流量统计的过程，此时视频APP会将当前视频播放的IP地址五元组及请求的QoS参数通过SDK接口传递给定向流量业务控制系统。如果当前用户处于视频APP的浏览过程中(即视频浏览业务)，则通过移动分组网关的DPI功能进行业务识别，识别出业务的特征码。
第5步：定向流量业务控制系统从定向流量业务SDK获取的参数及策略规则以及移动分组网关通过DPI识别并触发的规则，都将触发到PCRF，PCRF根据设定的优先级进行取舍，针对定向流量业务SDK传递的参数和策略，通过建立专有承载，保障QoS，同时统计流量；针对移动分组网关触发的规则，不建立专有承载，仅统计流量。
需要注意的是，当同一IP地址同时存在两种规则时，优先采用由定向流量业务控制系统下发的规则。
第6步：策略控制系统PCRF根据预先配置的策略优先级，综合评估由定向流量业务控制系统传递的策略和移动分组网关触发的策略，评估优先级。
对于同一个IP地址，优先采用由定向流量业务控制系统下发的规则。
第7步：策略控制系统PCRF将评估好的规则下发给移动分组网关执行，进行相应的QoS保障及统计流量上报的工作。
第8步：移动分组网关根据定向流量业务控制系统下发给策略控制系统的流量分片，累计并上报流量，同时申请下一个流量分片，定向流量业务控制系统根据上报的流量累积以及定向流量包账号中的流量进行分片的管理和下发，最终由移动分组网关，策略控制系统和定向流量业务控制系统三方完成定向流量的累积工作。
综上所述，本发明通过定向流量业务SDK传递视频的IP地址和移动分组网关DPI识别两种方式相结合的方案来对定向流量进行识别和计费，解决了视频应用APP定向流量包业务开展过程中面临的视频浏览类业务流量计费不准确，IP地址过多导致规则配置复杂度高等问题。
尽管上文对本发明进行了详细说明，但是本发明不限于此，本技术领域技术人员可以根据本发明的原理进行各种修改。因此，凡按照本发明原理所作的修改，都应当理解为落入本发明的保护范围。

Claims (10)

  1. 一种定向流量包的实现方法，其特征在于，包括：
    对发起的定向流量业务进行检测；
    当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息；
    当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息；
    根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则；
    按照所述定向流量统计规则，对相应的定向流量进行统计。
  2. 根据权利要求1所述的方法，其特征在于，所述的确定用于流量统计的定向流量统计规则的步骤包括：
    根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则；或者，
    根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则。
  3. 根据权利要求1所述的方法，其特征在于，所述的确定用于流量统计的定向流量统计规则的步骤包括：
    根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则；
    根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则；
    对所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。
  4. 根据权利要求3所述的方法，其特征在于，当所述深度包检测识别信息中包含目标IP地址，且所述目标IP地址与所述IP地址信息中的目标IP地址相同时，评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则。
  5. 根据权利要求1-4任意一项所述的方法，其特征在于，还包括：
    当检测到发起的定向流量业务是视频播放业务时，获取服务质量参数信息，并利用所获取的服务质量参数信息，建立用于保障服务质量的视频播放专有承载。
  6. 一种定向流量包的实现系统，其特征在于，包括：
    检测模块，用于对发起的定向流量业务进行检测；
    第一获取模块，用于当检测到发起的定向流量业务是视频播放业务时，获取所述视频播放业务的IP地址信息；
    第二获取模块，用于当检测到发起的定向流量业务是视频浏览业务时，获取所述视频浏览业务的深度包检测识别信息；
    规则确定模块，用于根据IP地址信息和/或深度包检测识别信息，确定用于流量统计的定向流量统计规则；
    流量统计模块，用于按照所述定向流量统计规则，对相应的定向流量进行统计。
  7. 根据权利要求6所述的系统，其特征在于，所述规则确定模块根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并将所触发的第一统计规则作为定向流向统计规则，或者，根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则作为定向流量统计规则。
  8. 根据权利要求6所述的系统，其特征在于，所述规则确定模块根据所获取的视频播放业务的IP地址信息，触发预先配置的用于视频播放流量统计的第一统计规则，并根据所获取的视频浏览业务的深度包检测识别信息，触发预先配置的用于视频浏览流量统计的第二统计规则，对所述第一统计规则和第二统计规则进行评估，并将评估确定的规则作为定向流量统计规则。
  9. 根据权利要求8所述的系统，其特征在于，当所述深度包检测识别信息中包含目标IP地址，且所述目标IP地址与所述IP地址信息中的目标IP地址相同时，所述规则确定模块评估所述第一统计规则的优先级高于第二统计规则，并将所述第一统计规则确定为定向流量统计规则。
  10. 根据权利要求6-9任意一项所述的系统，其特征在于，还包括：
    专有承载建立模块，用于利用所述第一获取模块获取的服务质量参数信息，建立用于保障服务质量的视频播放专有承载。
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