WO2018059266A1 - 一种数据传输的控制方法及终端 - Google Patents

一种数据传输的控制方法及终端 Download PDF

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Publication number
WO2018059266A1
WO2018059266A1 PCT/CN2017/102178 CN2017102178W WO2018059266A1 WO 2018059266 A1 WO2018059266 A1 WO 2018059266A1 CN 2017102178 W CN2017102178 W CN 2017102178W WO 2018059266 A1 WO2018059266 A1 WO 2018059266A1
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Prior art keywords
data
address
sent
terminal
transmitted
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PCT/CN2017/102178
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English (en)
French (fr)
Inventor
陈宁宇
丁飞
徐晓东
胡南
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China Mobile Communications Group Co Ltd
Research Institute of China Mobile Communication Co Ltd
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Research Institute of China Mobile Communication Co Ltd
China Mobile Communications Corp
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Priority to US16/321,407 priority Critical patent/US11356891B2/en
Publication of WO2018059266A1 publication Critical patent/WO2018059266A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101—Access control lists [ACL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2475—Traffic characterised by specific attributes, e.g. priority or QoS for supporting traffic characterised by the type of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control

Definitions

  • the present disclosure relates to the field of data communication technologies, and in particular, to a data transmission control method and terminal.
  • ACDC Application Specific Congestion Control for Data Communication
  • the operator can allow or block the access of specific applications when the user equipment (UE, User equipment) is idle. request.
  • ACDC is only applicable to UEs in idle state. It is not applicable to UEs in the connected state. Its function is to reduce the overload of the access network or the core network.
  • ACDC has the following basic characteristics.
  • ACDC is applicable to the Universal Mobile Telecommunications System Terrestrial Radio Access Network (UTRAN) and Evolved UTRAN (E-UTRAN).
  • UTRAN Universal Mobile Telecommunications System Terrestrial Radio Access Network
  • E-UTRAN Evolved UTRAN
  • the home network configures at least four ACDC categories for the UE, which correspond to the applications defined by the operator.
  • Opening the ACDC category in the UE is the obligation of the home network, and how to classify is not defined by 3GPP.
  • the UE has a mechanism to verify that it is a trusted source for its ACDC category.
  • the serving network broadcasts control information on the access network side, including: blocking information of each ACDC category, and whether a roaming UE should be restricted by ACDC control.
  • the blocking information of the broadcast in each cell is different, and the correspondence between the application in the UE and the ACDC category is configured by the home network.
  • the UE can decide whether to allow the transmission of the access request of the specific application.
  • the service network should indicate ACDC while performing other access control, when ACDC and connection When the ACB (Access Class Barring) control is simultaneously indicated, the ACDC should override the ACB.
  • ACB Access Class Barring
  • the access network should be able to perform ACDC separately for different core networks.
  • the blocking ratio setting for different operators should be the same.
  • the operating system of the UE allocates an application identifier (ID) for each application, and the UE obtains a correspondence between the application ID and the ACDC category by receiving a home network broadcast or writing through a remote SIM card of the core network. There may be multiple different application IDs corresponding to one ACDC category.
  • the home network configures the following ACDC application categories for the UE.
  • the application that is the lightest (the highest access priority) is configured as the highest ACDC category, which is ACDC#1.
  • ACDC#1 The application that is restricted to more than ACDC#1 is configured as the second highest ACDC category, which is ACDC#2; and so on.
  • An application on the UE that is not configured with an ACDC category should be considered by the UE to be the lowest ACDC category.
  • the service network broadcast blocks the information, blocking the information from being sent from the highest to the lowest of the ACDC category.
  • Home network and service networks may use different classification methods. The serving network decides whether to apply ACDC to the roaming UE.
  • the number of ACDC categories on the UE may be different from the number of ACDC categories broadcast by the service network. This situation occurs when the UE roams, and the number of ACDC categories broadcast by the service network is different from that of the UE's home network. Therefore, the following strategy is adopted at this time.
  • the UE uses the blocking information corresponding to the ACDC, and uses the lowest category of blocking information in the serving cell broadcast for the unclassified application. And ignore other blocking information that does not match its own ACDC category.
  • the UE uses the corresponding blocking information for the matched ACDC category, and uses the blocking information of the lowest category in the serving cell for other applications.
  • a matching ACDC category refers to the ACDC that blocks the information broadcast by the service network.
  • the sorting of the categories is the same as the ordering of the ACDC categories configured by the UE itself.
  • the service network sequentially broadcasts different types of ACDC blocking parameters, including "blocking time” and "blocking probability”.
  • Blocking time If the ACDC category corresponding to application a is #1 and the blocking time of broadcast ACDC#1 is 100ms, then the connection request of application a is blocked by ACDC policy, and the application is within 100ms of the next blocking time. The connection request for program a will always be blocked.
  • Blocking probability if the ACDC category corresponding to the application b is #2, the blocking probability of the broadcast ACDC#2 is 0.6, and when the application b initiates the connection request, the UE generates a random number between 0-1, if the random number If it is less than or equal to 0.6, access is allowed, and if it is greater than 0.6, access is denied.
  • the non-access stratum (NAS, Non Access Stratum) layer transmits the service request (SR, Service Request) to the radio resource control (RRC) layer, including ACDC category (category); the RRC layer can know the blocking parameters from the system message, and the RRC layer performs the ACDC decision.
  • NAS Non Access Stratum
  • RRC radio resource control
  • the UE when the UE is in the connected state, the UE will send data directly at the application layer, and the NAS layer will not send an SR request to the RRC layer. Therefore, the new service initiated in the connected state will not pass the ACDC.
  • the conventional ACDC only acts on the UE in the idle state and does not act on the UE in the connected state, this may cause a free-riding problem: since the ACDC can only make an admission decision in the idle state, when an application is allowed to access the network, Establish an RRC connection with the network; before the RRC connection is disconnected, other low-priority applications will not make ACDC decisions, and can bypass the ACDC decision and directly access the network.
  • the related art ACDC is not conducive to separate control of different applications, which is not conducive to the fairness of priority between applications.
  • the technical problem to be solved by the embodiments of the present disclosure is to provide a data transmission control method and a terminal, which can perform access control for an application of a connected state terminal, thereby achieving more fair application priority management and network congestion control.
  • the data transmission control method provided by the embodiment of the present disclosure includes:
  • the terminal that has established the user plane bearer link with the network determines the advance before transmitting the data to be sent. Whether the destination address of the to-be-sent data is recorded in the established address white list;
  • the data to be transmitted is transmitted through the user plane bearer link.
  • the embodiment of the present disclosure further provides a terminal, including:
  • a data filtering unit configured to determine, when the terminal has established a user plane bearer link with the network, whether the destination address of the to-be-sent data is recorded in the pre-established address white list before transmitting the data to be sent ;
  • An access determining unit configured to acquire an application identifier corresponding to the to-be-sent data when the destination address of the to-be-sent data is not recorded in the address whitelist, and perform an access control decision according to the application identifier , obtain the judgment result;
  • a sending unit configured to transmit the to-be-sent data through the user plane bearer link when the determination result allows the data to be transmitted to be transmitted.
  • the embodiment of the present disclosure further provides a terminal, including a processor, a memory, and a transmitter, where:
  • the processor by calling and executing the program or data stored in the memory, is used to determine that the terminal is established before the data is to be sent before the terminal transmits the data to be sent. Whether the destination address of the to-be-sent data is recorded in the address whitelist; when the destination address of the to-be-sent data is not recorded in the address whitelist, the application identifier corresponding to the to-be-sent data is obtained, and according to The application identifier performs an access control decision to obtain a decision result;
  • the transmitter is configured to transmit the to-be-sent data through the user plane bearer link when the determination result obtained by the processor allows the data to be transmitted to be transmitted.
  • the application corresponding to the to-be-sent data is obtained. And performing an access control decision according to the application identifier to obtain a determination result; and when the determination result allows the data to be transmitted to be transmitted, transmitting the to-be-sent data through the user plane bearer link.
  • the data transmission control method and the terminal implement the access control of the application of the connected state terminal, thereby achieving more fair application priority management and network congestion control, and avoiding The low priority application bypasses the ACDC decision to directly access the network after the RRC connection is established.
  • FIG. 1 is a schematic flowchart diagram of a method for controlling data transmission according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a relationship between a terminal module and a current protocol stack structure of a terminal according to an embodiment of the present disclosure.
  • the terminal may be a mobile phone (or a mobile phone), or other capable of sending or A device that receives wireless signals, including user equipment (UE), personal digital assistant (PDA), wireless modem, wireless communication device, handheld device, laptop computer, cordless telephone, wireless local loop (WLL) station, capable of moving signals A CPE (Customer Premise Equipment) that is converted to a WiFi signal, a mobile smart hotspot, a smart home appliance, or other device that can spontaneously communicate with a mobile communication network without the operation of a person.
  • UE user equipment
  • PDA personal digital assistant
  • WLL wireless local loop
  • CPE Customer Premise Equipment
  • an embodiment of the present disclosure provides a data transmission control method, where the method includes:
  • Step 11 The terminal that has established the user plane bearer link with the network determines whether the destination address of the to-be-sent data is recorded in the pre-established address white list before transmitting the data to be sent.
  • the terminal has established a user plane bearer, and the terminal is in a connected state.
  • the address whitelist is used to record the destination address of data that has been sent by the application that has passed the access control decision.
  • the destination address here can be represented by an IP address.
  • Step 12 When the destination address of the to-be-sent data is not recorded in the address whitelist, obtain an application identifier corresponding to the to-be-sent data, and perform an access control decision according to the application identifier to obtain a determination result. .
  • the application identifier corresponding to the data to be sent may be obtained, that is, the application identifier corresponding to the data to be sent is triggered, and the ACDC category corresponding to the application identifier is queried, and corresponding to the application identifier.
  • the ACDC category performs the ACDC decision.
  • Step 13 When the result of the decision allows transmission of the to-be-sent data, transmit the to-be-sent data through the user plane bearer link.
  • the data to be transmitted may be directly transmitted through a pre-established user plane bearer link.
  • the destination address of the to-be-sent data may be added to the address whitelist, so that subsequent data for the same destination address may be directly performed according to the address whitelist. judgment.
  • the embodiment of the present disclosure implements access control of the application of the connected terminal, thereby achieving more fair application priority management and network congestion control, and avoiding low priority.
  • the level application bypasses the ACDC decision to directly access the network after the RRC connection is established.
  • the method further includes: discarding the to-be-sent data.
  • the embodiment of the present disclosure may further maintain an address blacklist.
  • the destination address of the to-be-sent data may be added to the The address blacklist is started, and the aging timer is started.
  • the aging timer reaches the preset value, the destination address of the to-be-sent data is deleted from the address blacklist.
  • the preset value may be set according to the blocking time of the ACDC decision.
  • the access decision in step 12 above may specifically include:
  • the application identifier corresponding to the to-be-sent data is obtained, and an access control decision is performed according to the application identifier, and a determination result is obtained.
  • the existing ACDC policy is enhanced in the embodiment of the present disclosure.
  • the existing ACDC policy can perform access control on an application that requests to access the network in the idle state of the UE, but an application is executed on the terminal side. After the ACDC decision, access to the network is allowed. Other low-priority applications can continue to send data on the original bearer, bypassing the ACDC decision, which is not conducive to fairness between applications.
  • the data transmission control method proposed by the embodiment of the present disclosure after an application has established a connection, other applications cannot directly transmit data on the original connection, and the ACDC decision needs to be re-executed to ensure the fairness of the application priority.
  • the embodiment of the present disclosure further provides a terminal.
  • the terminal includes:
  • the data filtering unit 21 is configured to: when the terminal has established a user plane bearer link with the network, before transmitting the data to be sent, determining whether the pre-established address white list records the to-be-sent The destination address of the data to be sent;
  • the access decision unit 22 is configured to acquire an application identifier corresponding to the to-be-sent data when the destination address of the to-be-sent data is not recorded in the address whitelist, and perform access control according to the application identifier. Judgment, obtain the judgment result;
  • the sending unit 23 is configured to transmit the to-be-sent data through the user plane bearer link when the determination result allows the data to be transmitted to be transmitted.
  • the sending unit 21 is further configured to: when the destination address of the to-be-sent data is recorded in the address whitelist, transmit the to-be-sent data through the user plane bearer link, and When the decision result obtained by the access decision unit 22 does not allow the data to be transmitted to be transmitted, the data to be transmitted is discarded.
  • the access decision unit 22 includes:
  • the ACDC decision unit is configured to query an ACDC category corresponding to the application identifier, and perform an ACDC decision according to the ACDC category corresponding to the application identifier.
  • the above terminal may further include:
  • the first address maintenance unit is configured to add the destination address of the to-be-sent data to the address whitelist when the determination result obtained by the access determination unit allows the data to be transmitted to be transmitted.
  • the access decision unit 22 described above includes:
  • a determining unit configured to: when the destination address of the to-be-sent data is not recorded in the address whitelist, determine whether the destination address of the to-be-sent data is recorded in the pre-established address blacklist: if yes, discard the Data to be sent; otherwise, the ACDC decision unit is triggered;
  • the ACDC decision unit is configured to acquire an application identifier corresponding to the to-be-sent data according to the trigger of the first determining unit, and perform an access control decision according to the application identifier to obtain a determination result.
  • the terminal further includes: a second address maintenance unit, configured to add a destination address of the to-be-sent data to the address when the determination result allows not to transmit the to-be-sent data
  • a second address maintenance unit configured to add a destination address of the to-be-sent data to the address when the determination result allows not to transmit the to-be-sent data
  • the aging timer is started, and the destination address of the to-be-sent data is deleted from the address blacklist when the aging timer reaches the preset value.
  • the foregoing terminal further includes: a third address maintenance unit, configured to After the terminal establishes and/or releases a user plane bearer link with the network, the address whitelist is cleared.
  • the third address maintenance unit may be further configured to clear the address blacklist after the terminal establishes and/or releases a user plane bearer link with the network.
  • Figure 3 further provides the relationship between the modules of the terminal and the existing protocol stack structure of the terminal.
  • the foregoing data filtering unit may be included in an IP layer and/or an application layer.
  • the above access decision unit may be included in the NAS layer and/or the RRC layer.
  • the decision process can have the following different implementations:
  • a possible decision mode is: the non-access (NAS) layer receives the application identifier (APP ID), and queries the corresponding ACDC category, sends the ACDC category to the RRC layer, and the RRC layer performs the ACDC decision. Judgment result;
  • a possible decision method is: the NAS layer receives the APP ID, and queries the corresponding ACDC category, and the NAS layer performs an ACDC decision to obtain a decision result;
  • a possible decision mode is: the RRC layer receives the APP ID, and queries the corresponding ACDC category, and the RRC layer performs an ACDC decision to obtain a decision result.
  • a possible implementation manner of implementing the foregoing access control in the LTE in the embodiment of the present disclosure is an LTE-based service flow template (SDF, see the protocol 3GPP TS 23.401).
  • SDF LTE-based service flow template
  • the UE is established at the IP layer.
  • the service flow template, the IP address matching the template can be transmitted through the pipeline of the template, and if it does not match, it is discarded. Therefore, the whitelist in the embodiment of the present disclosure is to establish an SDF template corresponding to the IP address, and the blacklist is to delete the SDF template corresponding to the IP address.
  • the embodiment of the present disclosure can perform ACDC access control on an application requesting access to the network in both the idle state and the connected state of the UE, thereby avoiding the free rider effect.
  • the first application successfully accesses the network, other applications are used. If the program wants to send data, it still needs to re-execute the admission decision, ensuring the priority of fairness between applications.
  • the embodiment of the present disclosure further provides a terminal, which may include a processor, a transmitter, and a memory.
  • the memory can include read only memory or random access memory and provides instructions or data to the processor.
  • the processor, the transmitter and the memory are coupled together by a bus system, wherein the bus system includes a power bus, a control bus, a status signal bus, and the like in addition to the data bus.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • the processor 601 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP, Network Processor), etc.; can also be Digital Signal Processing (DSP), Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA), or other programmable logic Devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processing
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the method steps disclosed in the embodiments of the present disclosure may be implemented or performed.
  • the processor by invoking and executing a program or data stored in the memory, for transmitting a to-be-sent when the terminal has established a user plane bearer link with the network Before the data, the destination address of the to-be-sent data is recorded in the pre-established address whitelist; and the destination address of the to-be-sent data is not recorded in the address whitelist, and the corresponding data to be sent is obtained.
  • An application identifier and performing an access control decision according to the application identifier, obtaining a determination result; and the transmitter, configured to: when the determination result obtained by the processor allows to transmit the to-be-sent data, The user plane bearer link transmits the to-be-sent data.

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Abstract

本公开提供了一种数据传输的控制方法及终端。该数据传输的控制方法包括：与网络建立有用户面承载链路的终端，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。

Description

一种数据传输的控制方法及终端
相关申请的交叉引用
本申请主张于2016年9月27日提交中国专利局、申请号为201610855578.4的优先权，其全部内容据此通过引用并入本申请。
技术领域
本公开涉及数据通信技术领域，具体涉及一种数据传输的控制方法及终端。
背景技术
数据通信中应用程序专属拥塞控制(ACDC，Application specific Congestion control for Data Communication)是一种接入控制机制，运营商可以允许或者阻止用户设备(UE，User equipment)空闲态时特定应用程序的接入请求。ACDC只适用于空闲态的UE，不适用于连接态的UE，其作用是减轻接入网或核心网的负载超载，ACDC具有如下基本特性。
1.ACDC适用于通用移动通信系统地面无线接入网(UTRAN)和演进UTRAN(E-UTRAN)。
2.家乡网络为UE配置至少4个ACDC类别，分别对应到运营商定义的应用。
3.开通UE内的ACDC类别是家乡网络的义务，如何分类不受3GPP定义。
4.UE有一套机制来验证为其开通ACDC类别的是一个受信源。
5.服务网络在接入网侧广播控制信息，包括：每一个ACDC类别的阻拦信息、一个漫游的UE是否应该受限于ACDC控制。
6.每个小区内广播的阻拦信息是不同的，UE内应用与ACDC类别的对应关系由家乡网络配置。
7.基于广播的这个阻拦信息和UE内部的ACDC类别配置，UE可以决定是否允许特定应用的接入请求的传输。
8.服务网络应该在执行其他接入控制的同时指示ACDC，当ACDC和接 入类型受限(ACB，Access Class Barring)控制同时指示时，ACDC应该覆盖ACB。
9.在多个核心网共享同一个接入网时，接入网应该可以为不同的核心网分别单独执行ACDC。为了缓和一个共享的接入网的拥塞，为了公平，对不同的运营商的阻拦比率设置应该相同。
UE的操作系统为每一个应用程序分配应用程序标识(ID)，UE通过接收家乡网络广播或者通过核心网的远程SIM卡写入，获得应用程序ID与ACDC类别的对应关系。可能会有多个不同的应用程序ID对应一个ACDC类别。
家乡网络为UE配置如下ACDC应用类别。
1.被限制得最轻的应用(接入优先级最高)，被配置为最高的ACDC类别，即为ACDC#1。
2.被限制得比ACDC#1多的应用，被配置为第二高的ACDC类别，即为ACDC#2；以此类推。
3.被限制得最多的应用(接入优先级最低)，或者被配置为最低的ACDC类别，或者不配置ACDC类别。
UE上未被配置ACDC类别的应用，应该被UE认为是最低的ACDC类别。当使用ACDC时，服务网络广播阻拦信息，阻拦信息从ACDC类别的最高到最低依次发送。家乡网络和服务网络可能使用不同的分类方法。服务网络决定是否将ACDC应用到漫游的UE上。
UE上的ACDC类别个数可能和服务网络广播的ACDC类别数不同。这种情况会发生于UE漫游时，服务网络广播的ACDC类别数与UE的家乡网络不同。因此，此时采用如下策略。
1.如果服务网络广播的ACDC类别数比UE自身配置的多，UE使用与ACDC对应的阻拦信息，对于未分类别的应用采用服务小区广播中最低类别的阻拦信息。并忽视其他与自身ACDC类别不匹配的阻拦信息。
2.如果服务网络广播的阻拦信息对应的ACDC类别数少于UE自身的配置，UE为匹配的ACDC类别采用对应的阻拦信息，对其他应用采用服务小区中最低类别的阻拦信息。
这里，一个匹配的ACDC类别是指，服务网络广播的阻拦信息的ACDC 类别排序与UE自身配置的ACDC类别排序相同。
服务网络内的ACDC接入控制过程中，服务网络顺序广播不同类别的ACDC阻拦参数，包含“阻拦时间”、“阻拦概率”。
阻拦时间：若应用程序a对应的ACDC类别为#1，广播的ACDC#1的阻拦时间为100ms，则应用程序a的连接请求一旦被ACDC策略阻拦后，在接下来的阻拦时间100ms内，应用程序a的连接请求将一直被阻拦。
阻拦概率：若应用程序b对应的ACDC类别为#2，广播的ACDC#2的阻拦概率为0.6，应用程序b发起连接请求时，UE为其生成0-1之间的随机数，若随机数小于或等于0.6，则允许接入，若大于0.6，则拒绝接入。
传统ACDC是空闲态的UE发起随机接入前，非接入层(NAS，Non Access Stratum)层把服务请求(SR，Service Request)传下来给无线资源控制(RRC，Radio Resource Control)层，包含ACDC类别(category)；RRC层从系统消息中可以知道阻拦参数，RRC层执行ACDC判决。
然而当UE处于连接态时，由于已经建好用户面承载，UE会在应用层直接发数据，NAS层不再发SR请求给RRC层，因此连接态时发起的新业务不会通过ACDC。
由于传统ACDC只作用于空闲态的UE，而不作用于连接态的UE，这会导致搭便车的问题：由于ACDC只能在空闲状态做准入判决，当有一个应用被允许接入网络，与网络建立RRC连接；在RRC连接断开之前，其他低优先级的应用都不会再做ACDC判决，便可以绕过ACDC判决，直接接入网络。显然，相关技术的ACDC不利于对不同的应用程序分别管控，不利于应用程序之间优先级的公平性。
发明内容
本公开实施例要解决的技术问题是提供一种数据传输的控制方法及终端，可以针对连接态终端的应用程序进行接入控制，实现更公平的应用程序优先级管理和网络拥塞控制。
为解决上述技术问题，本公开实施例提供的数据传输的控制方法，包括：
与网络已建立用户面承载链路的终端，在传输待发送数据之前，判断预先 建立的地址白名单中是否记录有所述待发送数据的目的地址；
在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；
在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
本公开实施例还提供了一种终端，包括：
数据过滤单元，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；
接入判决单元，用于在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；
发送单元，用于在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
本公开实施例还提供了一种终端，包括处理器、存储器以及发射机，其中：
所述处理器，通过调用并执行所述存储器中所存储的程序或数据，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；以及
所述发射机，用于在所述处理器获得的所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
本公开实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有实现如下步骤的指令：
与网络建立有用户面承载链路的终端，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程 序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
与相关技术相比，本公开实施例提供的数据传输的控制方法及终端，通过对连接态终端的应用程序进行接入控制，从而实现了更公平的应用程序优先级管理和网络拥塞控制，避免了低优先级的应用在RRC连接建立后绕过ACDC判决直接接入网络的问题。
附图说明
图1为本公开实施例提供的数据传输的控制方法的流程示意图；
图2为本公开实施例提供的终端的结构示意图；
图3为本公开实施例提供的终端模块与终端现有协议栈结构之间的关系示意图。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。在下面的描述中，提供诸如具体的配置和组件的特定细节仅仅是为了帮助全面理解本公开的实施例。因此，本领域技术人员应该清楚，可以对这里描述的实施例进行各种改变和修改而不脱离本公开的范围和精神。另外，为了清楚和简洁，省略了对已知功能和构造的描述。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本公开的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本公开的各种实施例中，应理解，下述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本公开实施例的实施过程构成任何限定。
本公开实施例中，终端可以是移动电话(或手机)，或者其他能够发送或 接收无线信号的设备，包括用户设备(UE)、个人数字助理(PDA)、无线调制解调器、无线通信装置、手持装置、膝上型计算机、无绳电话、无线本地回路(WLL)站、能够将移动信号转换为WiFi信号的CPE(Customer Premise Equipment，客户终端)或移动智能热点、智能家电、或其他不通过人的操作就能自发与移动通信网络通信的设备等。
请参照图1，本公开实施例提供了一种数据传输的控制方法，该方法包括：
步骤11，与网络已建立用户面承载链路的终端，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址。
这里，所述终端已建立用户面承载，此时终端处于连接态。所述地址白名单用于记录已经通过接入控制判决的应用程序所发送的数据的目的地址。这里的目的地址可以用IP地址来表示。在终端建立和/或释放与网络之间的用户面承载链路后，可以清空所述地址白名单。
步骤12，在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果。
这里，在待发送数据的目的地址不存在于所述地址白名单中时，需要进一步判断触发发送所述待发送数据的应用程序是否满足预设的接入控制条件。具体的，可以获取所述待发送数据对应的应用程序标识(即触发发送所述待发送数据对应的应用程序标识)，查询所述应用程序标识对应的ACDC类别，并根据所述应用程序标识对应的ACDC类别，执行ACDC判决。具体的ACDC判决的实现可以参考相关技术，此处不再赘述。
步骤13，在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
这里，当判决结果允许传输所述待发送数据时，可以通过已预先建立的用户面承载链路，直接传输所述待发送数据。在所述判决结果允许传输所述待发送数据时，还可以将所述待发送数据的目的地址加入至所述地址白名单中，从而后续针对相同目的地址的数据，可以直接依据地址白名单进行判决。
本公开实施例通过以上步骤中，通过对连接态终端的应用程序进行接入控制，从而实现了更公平的应用程序优先级管理和网络拥塞控制，避免了低优先 级的应用在RRC连接建立后绕过ACDC判决直接接入网络的问题。
以上方法中，若上述步骤11中，所述地址白名单中记录有所述待发送数据的目的地址，则可以通过所述用户面承载链路传输所述待发送数据。若上述步骤12中，所述判决结果不允许传输所述待发送数据，则上述方法还包括：丢弃所述待发送数据。
更进一步的，本公开实施例还可以维护地址黑名单，在上述步骤12中如果所述判决结果不允许传输所述待发送数据时，则可以将所述待发送数据的目的地址加入至所述地址黑名单并启动老化定时器，其中，在老化定时器计时到达预设值时，将所述待发送数据的目的地址从所述地址黑名单中删除。这里，所述预设值可以根据ACDC判决的阻拦时间进行设置。当然，在所述终端建立和/或释放与网络之间的用户面承载链路后，本公开实施例还可以清空所述地址黑名单。
此时，在上述步骤12的接入判决具体可以包括：
在所述地址白名单中未记录所述待发送数据的目的地址时，判断所述地址黑名单中是否记录有所述待发送数据的目的地址：
若是，则丢弃所述待发送数据；
否则，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果。
可以看出，本公开实施例对现有ACDC策略进行了增强，现有ACDC策略可以在UE的空闲态对申请接入网络的应用程序进行接入控制，但在终端侧当一个应用程序被执行ACDC判决后，允许接入网络，其他低优先级的应用程序可以在原有承载上继续发送数据，绕过了ACDC判决，这样不利于应用程序之间的公平性。本公开实施例提出的数据传输的控制方法，在某应用程序已建立连接后，其他应用程序不能在原有连接上直接发送数据，需要重新执行ACDC判决，保障了应用程序优先级的公平性。
需要指出的是，本公开实施例中“应用程序”，也可以是“业务”。
本公开实施例还提供了一种终端，如图2所示，该终端包括：
数据过滤单元21，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待 发送数据的目的地址；
接入判决单元22，用于在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；
发送单元23，用于在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
这里，所述发送单元21，还用于在所述地址白名单中记录有所述待发送数据的目的地址时，通过所述用户面承载链路传输所述待发送数据，以及，在所述接入判决单元22获得的所述判决结果不允许传输所述待发送数据时，丢弃所述待发送数据。
其中，所述接入判决单元22，包括：
ACDC判决单元，用于查询所述应用程序标识对应的ACDC类别，并根据所述应用程序标识对应的ACDC类别，执行ACDC判决。
上述终端还可以包括：
第一地址维护单元，用于在所述接入判决单元获得的所述判决结果允许传输所述待发送数据时，将所述待发送数据的目的地址加入至所述地址白名单中。
上述接入判决单元22包括：
判断单元，用于在所述地址白名单中未记录所述待发送数据的目的地址时，判断预先建立的地址黑名单中是否记录有所述待发送数据的目的地址：若是，则丢弃所述待发送数据；否则，触发ACDC判决单元；
ACDC判决单元，用于根据第一判断单元的触发，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果。
为实现地址黑名单的维护，上述终端还包括：第二地址维护单元，用于在所述判决结果允许不传输所述待发送数据时，将所述待发送数据的目的地址加入至所述地址黑名单并启动老化定时器，其中，在老化定时器计时到达预设值时，将所述待发送数据的目的地址从所述地址黑名单中删除。
为实现地址白名单的维护，上述终端还包括：第三地址维护单元，用于在 所述终端建立和/或释放与网络之间的用户面承载链路后，清空所述地址白名单。当然，第三地址维护单元，还可以用于在所述终端建立和/或释放与网络之间的用户面承载链路后，清空所述地址黑名单。
图3进一步提供了终端的各模块与终端现有协议栈结构之间的关系。具体的，上述数据过滤单元，可以包含在IP层和/或应用层。上述接入判决单元可以包含在NAS层和/或RRC层。根据接入判决单元的具体位置不同，判决过程可以有以下不同实现方式：
a)一种可能的判决方式是：非接入(NAS)层收到应用程序标识(APP ID)，并查询对应的ACDC类别，将该ACDC类别发给RRC层，RRC层执行ACDC判决，得到判决结果；
b)一种可能的判决方式是：NAS层收到APP ID，并查询对应的ACDC类别，NAS层执行ACDC判决，得到判决结果；
c)一种可能的判决方式是：RRC层收到APP ID，并查询对应的ACDC类别，RRC层执行ACDC判决，得到判决结果。
本公开实施例在LTE中实现上述接入控制的一种可行的实施方式是，基于LTE的业务流模版(SDF，详见协议3GPP TS23.401)，在传统LTE中，UE会在IP层建立业务流模版，匹配该模版的IP地址可以通过该模版的管道传输，不匹配的则丢弃。因此，本公开实施例中的白名单就是建立该IP地址对应的SDF模版，黑名单就是删除该IP地址对应的SDF模版。
综上，本公开实施例可以在UE空闲态和连接态都对请求接入网络的应用程序进行ACDC接入控制，避免了搭便车效应，当第一个应用程序成功接入网络后，其他应用程序若想发送数据，仍然需要重新执行准入判决，保证了应用程序之间的优先级公平性。
本公开实施例还提供了一种终端，可以包括处理器、发射机以及存储器。存储器可以包括只读存储器或随机存取存储器，并向处理器提供指令或数据。处理器、发射机以及存储器通过总线系统耦合在一起，其中总线系统除包括数据总线之外，还包括电源总线、控制总线和状态信号总线等。处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，处理器601可以是通用处理器，包括中央处理器(CPU，Central Processing Unit)、网络处理器(NP， Network Processor)等；还可以是数字信号处理器(DSP，Digital Signal Processing)、专用集成电路(ASIC，Application Specific Integrated Circuit)、现成可编程门阵列(FPGA，Field Programmable Gate Array)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开实施例中公开的各方法步骤。
在一些实施例中，所述处理器，通过调用并执行所述存储器中所存储的程序或数据，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；以及所述发射机，用于在所述处理器获得的所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
具体实施例可以参考上述，此处不再赘述。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (18)

  1. 一种数据传输的控制方法，包括：
    与网络建立有用户面承载链路的终端，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；
    在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；
    在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
  2. 如权利要求1所述的控制方法，其中，所述根据所述应用程序标识执行接入控制判决的步骤，包括：查询所述应用程序标识对应的ACDC类别，并根据所述应用程序标识对应的ACDC类别，执行ACDC判决。
  3. 如权利要求1所述的控制方法，其中，在所述判决结果允许传输所述待发送数据时，所述方法还包括：将所述待发送数据的目的地址加入至所述地址白名单中。
  4. 如权利要求1所述的控制方法，其中，在所述判决结果不允许传输所述待发送数据时，所述方法还包括：丢弃所述待发送数据。
  5. 如权利要求1所述的控制方法，其中，
    所述在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果的步骤，包括：
    在所述地址白名单中未记录所述待发送数据的目的地址时，判断预先建立的地址黑名单中是否记录有所述待发送数据的目的地址：若是，则丢弃所述待发送数据；否则，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得所述判决结果。
  6. 如权利要求5所述的控制方法，其中，在所述判决结果不允许传输所述待发送数据时，所述方法还包括：将所述待发送数据的目的地址加入至所述地址黑名单并启动老化定时器，其中，在所述老化定时器计时到达预设值时，将所述待发送数据的目的地址从所述地址黑名单中删除。
  7. 如权利要求1所述的控制方法，还包括：
    在所述地址白名单中记录有所述待发送数据的目的地址时，通过所述用户面承载链路传输所述待发送数据。
  8. 如权利要求1所述的控制方法，还包括：
    所述终端在建立和/或释放与网络之间的用户面承载链路后，清空所述地址白名单。
  9. 一种终端，包括：
    数据过滤单元，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；
    接入判决单元，用于在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；以及
    发送单元，用于在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
  10. 如权利要求9所述的终端，其中，所述接入判决单元，包括：
    ACDC判决单元，用于查询所述应用程序标识对应的ACDC类别，并根据所述应用程序标识对应的ACDC类别，执行ACDC判决。
  11. 如权利要求9所述的终端，还包括：
    第一地址维护单元，用于在所述接入判决单元获得的所述判决结果允许传输所述待发送数据时，将所述待发送数据的目的地址加入至所述地址白名单中。
  12. 如权利要求9所述的终端，其中，
    所述发送单元，还用于在所述接入判决单元获得的所述判决结果不允许传输所述待发送数据时，丢弃所述待发送数据。
  13. 如权利要求9所述的终端，其中，所述接入判决单元包括：
    判断单元，用于在所述地址白名单中未记录所述待发送数据的目的地址时，判断预先建立的地址黑名单中是否记录有所述待发送数据的目的地址：若是，则丢弃所述待发送数据；否则，触发ACDC判决单元；以及
    ACDC判决单元，用于根据第一判断单元的触发，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得所述判决结果。
  14. 如权利要求13所述的终端，还包括：
    第二地址维护单元，用于在所述判决结果允许不传输所述待发送数据时，将所述待发送数据的目的地址加入至所述地址黑名单并启动老化定时器，其中，在所述老化定时器计时到达预设值时，将所述待发送数据的目的地址从所述地址黑名单中删除。
  15. 如权利要求9所述的终端，其中，
    所述发送单元，还用于在所述地址白名单中记录有所述待发送数据的目的地址时，通过所述用户面承载链路传输所述待发送数据。
  16. 如权利要求9所述的终端，还包括：
    第三地址维护单元，用于在所述终端建立和/或释放与网络之间的用户面承载链路后，清空所述地址白名单。
  17. 一种终端，包括处理器、存储器以及发射机，其中：
    所述处理器，通过调用并执行所述存储器中所存储的程序或数据，用于当所述终端已建立与网络之间的用户面承载链路时，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获得判决结果；以及
    所述发射机，用于在所述处理器获得的所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
  18. 一种计算机可读存储介质，所述计算机可读存储介质上存储有实现如下步骤的指令：
    与网络建立有用户面承载链路的终端，在传输待发送数据之前，判断预先建立的地址白名单中是否记录有所述待发送数据的目的地址；
    在所述地址白名单中未记录所述待发送数据的目的地址时，获取所述待发送数据对应的应用程序标识，并根据所述应用程序标识执行接入控制判决，获 得判决结果；
    在所述判决结果允许传输所述待发送数据时，通过所述用户面承载链路传输所述待发送数据。
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