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  • 专利说明
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    • 专利摘要:
    MOBILE STATION SERVICE ACCESS METHOD, APPARATUS AND SYSTEM A method, an apparatus, and a service access system of an MS are provided by the present disclosure. The method comprises the following steps: GPRS Gateway Support Node (GGSN), or a level close to the GGSN gateway receives a Virtual Access Point Name (VAPN) transport service request or a service request not including APN transmitted to from an MS, performs deep Packet Inspection Processing (DPI) for the service request, and identifies the type of service; GGSN or the gateway sends the service request to the external data network that corresponds to the service type. Therefore, access to various types of mobile data services can be achieved through the identification service function of the GGSN or GGSN gateway without modifying MS APN configuration by the mobile MS, therefore service experiences for a MS user is improved so effective.
    公开号:BR112012028264B1
    申请号:R112012028264-6
    申请日:2010-12-01
    公开日:2021-05-04
    发明作者:Yijun WU；Jun Wang；Haifeng DUAN；Wei Cui
    申请人:Huawei Technologies Co., Ltd；
    IPC主号:
    专利说明:

    Exhibition Field
    The present presentation refers to the field of mobile communications technology and, more particularly, refers to a method, an apparatus and a system for accessing a service by a Mobile Station (MS). Description of Related Art
    Currently, most Internet-based services are implemented by an independent Access Point Name (APN), typically such as the two popular APNs of CMWAP (WAP access gateway) and CMNET (Internet access gateway) used by China Mobile as well as many other custom APN access points for group customers. CMWAP and CMNET are two ways of accessing General Packet Radio Service (GPRS) factitious divided by China Mobile. CMWAP is set for mobile phone to WAP access network, while CMNET is set for PC, notebook computer, PAD or similar for Internet access using GPRS. CMWAP and CMNET have no difference in ways of implementation, but for different purposes. So, compared to CMNET, CMWAP has some limitations and different charges. Simply put, CMWAP is equivalent to a local area network accessing the Internet through a router and CMNET is equivalent to accessing the Internet directly through a public network IP address.
    Figure 1 is a structural diagram showing a prior art Mobile Station (MS) accessing a service entity through a GPRS support node of
    Gateway (GGSN), where users need to regulate different APNs in MS and let service requests carry APNs. Then, GGSN sends these requests to different service entities based on different APNs, and thus various services are performed in MS.
    The current SGSN technical solution selecting APN and GGSN (APN activation) reads as follows: 01: Receiving a user-reported service request; 02: Determining whether the APN in the service request is empty: 021: If empty then determine if the user is a Home Local Registrar (HLR) contracted APN user: 0211: If a contracted APN user then , further determine if there is only a single APN in the HLR: 02111. If only a single APN, then query for a GGSN based on the single APN; 02112. If more than two APNs in the HLR, then deny activation; 0212: If you are not a contracted APN user, then deny activation. 022: If not empty, determine whether or not the APN in the service request is a contracted APN: 0221: If a contracted APN then query a corresponding GGSN based on the contracted APN; 0222: If a contracted APN then deny activation.
    This solution avoids a scenario where a service access failure occurs because the user only contracts one APN, but does not regulate the APN, but fails to prevent a scenario where a service access failure occurs because the user has multiple contracted APNs , but does not properly regulate the APNs.
    The processing flow of the various services involved by the multiple APNs is as follows: [1] Accessing Enterprise Services
    Setting an APN as a company APN in MS and letting a service request carry the company APN, learning the company APN by analyzing the service request by the GGSN, forwarding the service request to a Private Network router Virtual (VPN) for processing, gaining access to enterprise services. [2] Accessing Multimedia Messaging Service (MMS)
    Setting an APN as an MMS APN in the MS and letting a service request carry the MMS APN, learning the MMS APN through an analysis of the service request by GGSN, forwarding the service request to an MMSC ( Multimedia Messaging Service Center) for processing. [3] Accessing a Wireless Application Protocol (WAP) website
    Setting the APN as a WAP APN in MS and letting a service request carry the WAP APN, learning the WAP APN through a service request analysis by GGSN, forwarding the service request to a WAPGW for processing . [4] Accessing an Internet Website
    Setting the APN as an Internet APN in MS and letting a service request carry the APN from
    Internet, learning the Internet APN through a service request analysis by GGSN, forwarding the service request to an Internet GW for processing.
    During the research process, the present inventor found that the current MS can only regulate one APN setting which causes the user to frequently modify the MS settings when the service being used is switched. For example, when MS is receiving or sending multimedia messages, it is necessary to set APN as CMWAP and in the meantime set a WAPGW address and then MMS can be used; when the user wants to surf the net using high speed internet, it is necessary to reset the access point and delete Proxy settings. This hinders the popularization of various data services and degrades the service user experience. SUMMARY OF THE INVENTION
    The present exposition provides a method, an apparatus, a system for service access by an MS, which can achieve an objective of accessing various APN services without frequent modification of the APN by the MS.
    Thus, the modalities of this exhibition may employ the following technical solutions:
    A method for accessing a service by a Mobile Station (MS), comprising: receiving, a service request bearing a Virtual Access Point Name (VAPN) which is not a real access point or a service request not including an empty access point name (APN) passed from the
    MS, by a Gateway GPRS Support Node (GGSN) or a GGSN next level gateway, wherein the GGSN is configured with a free pass strategy for the VAPN or the empty APN to receive the service request; identify a Virtual Private Network (VPN) service through a contracted relationship and forward the VPN service to a corresponding routing platform; perform deep packet inspection (DPI) processing for the received service request to identify a service type if no VPN service type is identified; send, via the GGSN or the next level gateway, the service request received to an external data network according to the type of service identified by the DPI processing.
    An apparatus for accessing a service by a Mobile Station (MS), comprising a processor and a non-transient processor readable medium with processor executable instructions stored therein, the processor executable instructions including a plurality of units, the units including: a receiving unit configured to receive a service request carrying a Virtual Access Point Name (VAPN) which is not an actual access point name or a service request including an empty access point name (APN) streamed from MS; a service type identification unit configured to identify Virtual Private Network (VPN) service through a contracted relationship and to perform deep packet inspection (DPI) processing for the received service request to identify a type of service if no VPN service is identified; and a sending control unit configured to send the service request to an external data network in accordance with the type of service identified by the processor; where the processor is configured with either a free pass strategy for the VAPN or the empty APN to receive the service request.
    A system for accessing a service by an MS, comprising an MS, a gateway device and at least one APN function entity, where the gateway device comprises: a receiving unit for receiving a service request bearing a Name a Virtual Access Point (VAPN) or a service request not including an APN transmitted from an MS; a service type identification unit for performing deep packet inspection (DPI) processing for the service request, and identification of the service type; a sending control unit for sending the service request to an external data network corresponding to the type of service. A Mobile Station (MS), comprising a processor and a non-transient processor-readable medium having processor executable instructions stored therein, the processor executable instructions including a plurality of units, the units including: a service request unit configured to sending a service request carrying a Virtual Access Point Name (VAPN) which is not a real access point name or a service request including empty Access Point Name (APN) to a GPRS Support Node Gateway (GGSN) or a GGSN next-level gateway and requesting a connection to an APN role entity; a service processing unit for exchanging service data over a service data network that establishes a connection to the MS via the GGSN or next level gateway according to a service type of the request identified by an inspection processing deep packet (DPI) on the GGSN or gateway if no Virtual Private Network (VPN) service is identified, where the VPN service is identified by the GGSN or next-level gateway through a contracted relationship; where the processor is configured with either a free pass strategy for the VAPN or the empty APN to receive the service request.
    Therefore, with the GGSN service identification function or the GGSN next level gateway, the modalities of the present disclosure can achieve a goal that accesses various types of mobile data services without modification of the MS APN configuration by the mobile MS , thus realizing access to various APN services with a simplified user operation. This effectively improves the service experiences for a MS user and, in the meantime, promotes popularization of the service to operators.
    BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a diagram of a system for service access by an MS according to the prior art. Figure 2 is a flowchart of a method for accessing the service by an MS according to the modalities of the present disclosure. Figure 3 is a diagram of a system for service access by an MS according to the modalities of the present disclosure. Figure 4 is a flowchart of the realization of service access by a MS through a GW according to the modalities of the present disclosure. Figure 5 is a diagram of a structure of a GW according to the modalities of this exposition. DESCRIPTION OF MODALITIES
    In the modalities of this exposition, only one APN is configured in MS and it is unnecessary to modify APN configuration in MS when a user accesses different services. Figure 2 is a flowchart of a method for accessing service by an MS according to the modalities of the present disclosure, which comprises: S201: a GGSN or a GGSN next level gateway receives a service request bearing a VAPN ( Virtual APN, Virtual VPN) or a service request not including an APN transmitted by a user, and identifies the type of service by performing DPI processing for the service request. The GGSN next level gateway can be called a GGSN normal flow gateway. VAPN is not a real access point name or a proxy address, whose function mainly focuses on sending service request to GGSN and meeting the demand of 3GPP specification or similar. For example, by setting this VAPN on a user MS and contracting this VPN on HLR, sending this service request without a real access point or PROXY address to a corresponding GGSN can be achieved. Obviously, as long as a free pass strategy for virtual APN or empty APN flow is configured on network devices, a GGSN or its counter-flow gateway is able to receive the service request and identify a service type by DPI. S202: GGSN or gateway forwards the service request to an external data network corresponding to the type of service.
    Compared with the prior art solution, the modalities of the present disclosure identify the type of service on the core network equipment side, forward the service request to a corresponding external data network after identifying the type of service, and finish a corresponding APN service. On the MS side, only one VAPN is required or no APN is set by appointment, and thus it is unnecessary to set any Proxy address or manually switch between different APNs for different services.
    The prior art solution (see Figure 1) mainly performs an authentication and forwards a message on the GGSN. Specifically, a target role entity can be determined through an APN carried by the service request and configured in the MS, and then the service request can be routed to the target role entity. Operations like a message control are done on individual role entities. However, in the modalities of the present exposition, a GW is added at the next level of the GGSN for parsing and service request control, that is, for partial functions of the various function entities. Specifically, the service type is identified by a Deep Packet Inspection (DPI), rather than based on the APN ported in the service request. Thus, it is unnecessary to configure APN on MS side, simplifying MS settings and APN setting change operation. Figure 3 is a diagram of an MS accessing a service system in accordance with the modalities of the present disclosure. Compared to Figure 1, Figure 3 adds a GW gateway at the next level of GGSN. The main function of this GW is a service ID. In addition, this GW can obtain functions such as Quality of Service (QoS) control or billing. The GW of figure 3 performs transparent processing for the received service request, i.e., not changing the message source address characteristics. Processing is as follows:
    Before a DPI, for a VPN service request from a company user, after identifying that the company user is a specific contracted user through the company user IP, the VPN service request is forwarded to a platform specific routing (for example, a VPN router) to ensure that the security of the service can be guaranteed.
    For other types of service requests, a corresponding processing is respectively performed, as follows, after obtaining the service types by DPI: 2.1 For a WAP1X request, there is forwarding to WAPGW for protocol conversion; 2.2 For an MMS request, there is provision for a header enhancement operation by adding at least part of the user PDP information (eg APN, MSISDN) to the service request header, and then the sending the service request to MMSC; 2.3 For a specific request (eg RTSP request, real-time streaming protocol) requiring a header enhancement, after adding a relevant header, the service request is sent to a corresponding service function entity ; 2.4 For a common Internet service request, there is directly forwarding the service request to a corresponding service server.
    A DPI technology is an application layer based on flow detection and control technology. When an IP data packet, TCP or UDP data stream passes through a DPI technology-based bandwidth management system, the system reorganizes the application layer information into an OSI reference model by reading from the contents in depth of the IP packet payload, thereby getting the contents of the entire application. The system then reframes the flow according to the management strategy defined by the system.
    The DPI step for obtaining the type of service can be, for example, a step in which a DPI module reads message content containing service information (eg MMS, WAP, HTTP or similar) and also compares it with a local library to confirm detailed service type information. 3. Processing for abnormal requests:
    Compared to the prior art solution in which the respective service function entities respectively process their own services, the GW in the modalities of the present exposure is equivalent to a coordinator among the various service function entities and thus is capable of perform coordination and control for a certain abnormal request in the service entities. For example, for a WAP request having some tuning errors (usually whose target server IP is a specific private network IP), the target IP is modified and then sent to WAPGW for a reply message, too it is necessary to modify a source address, thus guaranteeing a correct MS process. 4. Grammar analysis of service data based on service request, and QoS control or charging execution based on service data:
    QoS control and charging can be distributed across multiple role entities, for example in MMSC or WAPGW. Since the existing GGSN cannot identify particular service data, it cannot perform different QoS control or charge for different services. In contrast, in the modality of the present disclosure, since the GW has a service identification function, QoS control and charging can be assigned to this GW, rather than being distributed across the various service function entities. The prior art solutions can also be adopted in the present invention to implement QoS control and charging, which is not a key point of the modality of the present exposition. Figure 4 is a flowchart of the realization of service access by a MS through GW, according to the modalities of this presentation, in which the following steps are included: 5401: for the APN service currently used by China Netcom, a virtual APN name (eg VAPN) is regulated in MS, without the need to regulate any Proxy address. This VAPN may contain services involved by the following APNs, that is, the following APNs may be substituted: Internet APN; MMS APN; WAP APN; Enterprise User APN; 5402: MS sends a service request to the GGSN, and this service request carries a newly added VAPN; 5403: GGSN obtains a VAPN from the service request; S404: since the service request contains VAPN, it can be known from this GGSN that a virtual APN strategy is employed, and thus the service request is forwarded to the GW.
    Alternatively, step 401 can be omitted. That is, an APN is not configured on the MS, and the service request does not include an APN. At this point, it is standardized that the GW service identification strategy is employed, after the GGSN receives the service request and, after processing, like an authentication in S404, the service request is forwarded directly to the GW. S405: The GW identifies the particular service type based on the service request and performs the corresponding operations: (1) Identification of the service type through the contract relationship with the user. For example, the service type is identified as a VPN service through the contract relationship with the user. Then the VPN service request is forwarded to a virtual private network router (VPN Route). (2) For abnormal service requests, control and processing the request according to a pre-regulated strategy. For example, when the abnormal service request is an incorrect WAP request, the target IP of the WAP request is modified, and then the request is sent to WAPGW. (3) Identification of service type by parsing the service request, specifically, performing DPI processing for the service request, identifying the service type as one of
    WAP1X, Internet service, MMS or a type of service requiring a specific upgrade, and provision of the corresponding processing:
    For WAP1X or Internet service, service request is forwarded directly to WAPGW or Internet service server;
    For MMS, the service request undergoes a header enhancement operation and then is sent to the MMSC;
    For a type of service requiring a specific enhancement, the service request, after being added to a message header, is sent to a corresponding service entity. S406: the execution of a QoS control and billing according to the service date obtained by the parsing of the service request.
    Also, note that the above solution adds a GW at the next level of the GGSN to get the service type identification, as well as QoS and billing control. Actually, it is also possible not to add this GW, but to directly get these functions in the GGSN, ie, the same purpose can also be achieved by directly modifying the GGSN.
    Corresponding to the above method, the modalities of the present exposition also provide an MS access service apparatus. Specifically, this apparatus can refer to the GW at the next level of the GGSN, or a function entity in the GGSN, which can be implemented by software, hardware or by a combination of software and hardware.
    Referring to Fig. 5, this apparatus comprises: a receiving unit 501 for receiving a service request bearing VAPN or a service request not including an APN transmitted from the MS user; a service type identification unit 502 for performing a DPI processing on the service request for identifying the service type; a sending control unit 503 for sending the service request to an APN role entity corresponding to the service type.
    Wherein the service type identification unit 502 is also used for identifying a VPN service through a contract relationship.
    Optionally, this apparatus may comprise: a QoS and billing control unit 504 for parsing the service data based on the service request and performing QoS control and/or billing based on the service data.
    Further, this apparatus may comprise: an abnormal request processing unit 505 for controlling and processing an abnormal service request according to a pre-regulated strategy.
    Wherein the particular functions of the sending control unit 503 are as follows:
    When the service type identification unit 502 identifies the service type as a VPN service, the service request is forwarded to a corresponding virtual private network router;
    When the service type identification unit 502 identifies the service type as WAP1X, Internet service, MMS or a service type requiring a specific enhancement:
    For WAP1X or Internet service, the service request is forwarded directly to WAPGW or an Internet service server;
    For MMS, the service request undergoes a header enhancement operation and then is sent to the MMSC;
    For a type of service requiring a specific enhancement, the service request, after adding a message header, is sent to a corresponding service entity.
    As for the particular implementation details of this apparatus, a reference can be made to the method modalities, and thus the details of the same are omitted.
    Furthermore, the modalities of the present exhibition also provide an access service system to MS. Figure 3 shows the diagram of this system. Compared with the prior art, this system comprises a next-level device GW of GGSN. As for the functions of this GW, reference can be made to figure 5, as well as its descriptions. Furthermore, the system provided by the modalities of the present exhibition may not have a GW added to it, but be carried out directly in the GGSN with all its functions.
    In addition, the modalities of the present disclosure also provide a user MS, which may comprise: a service request unit for sending a service request carrying a virtual access point name or a service request not including APN to GGSN or a gateway flowing counter to the GGSN and requesting a connection to an APN role entity; a service processing unit for performing an exchange of service data by an external data network which establishes a connection via the GGSN or the GGSN counterflow gateway.
    It can be seen that, in the modalities of the present exposition, with the service identification function of GGSN or the GGSN reverse flow gateway, the modalities of the present exposition can achieve an objective of accessing various types of mobile data services without the modification of the MS APN configuration by the MS mobile, thereby accessing various APN services on a simplified user operation basis, effectively improving the service experience for an MS user, and meanwhile promoting the popularization of the service for operators.
    Someone of ordinary skill in the art can understand that the procedure for carrying out the method of the above modalities can be completed by hardware related to program instructions, the program can be stored in a storage medium that can be read and perform the corresponding steps of the above method when executed. The storage medium can be a ROM/RAM, a magnetic disk or an optical disk.
    权利要求:
    Claims (10)
    [0001]
    1. Method for service access by a Mobile Station (MS) characterized by the fact that it comprises: receiving a service request bearing a virtual access point name (VAPN) which is not a real access point name or a service request including an empty access point name (APN) transmitted from the MS, by a Gateway GPRS Support Node (GGSN) or a next level gateway of the GGSN; where the GGSN is configured with a free pass strategy for the VAPN or the empty APN to receive the service request; identify a Virtual Private Network (VPN) service through a contracted relationship, and forward the VPN service to a corresponding routing platform; performing deep packet inspection (DPI) processing for the received service request to identify a service type if no VPN service type is identified; the sending, by the GGSN or the next level gateway, the service request received to an external data network according to the type of service identified by the DPI processing.
    [0002]
    2. Method according to claim 1, characterized in that it further comprises: parsing service data based on the service request received; perform at least one of (a) quality of service (QoS) control and (b) charge based on service data.
    [0003]
    3. Method according to claim 1, characterized in that it further comprises: the control and processing of an abnormal service request according to a pre-regulated strategy.
    [0004]
    4. Method according to claim 3, characterized in that: when the abnormal service request is an incorrect wireless application protocol (WAP) request, the control and processing of the abnormal service request in accordance with a pre-regulated strategy comprises: modifying an IP target of the incorrect WAP request and sending the modified WAP request to a WAP gateway (WAPGW).
    [0005]
    5. Method according to claim 4, characterized in that: the type of service comprises one of the group consisting of WAP1X, Internet service, Multimedia Messaging Service (MMS) and a type of service requiring a specific improvement; sending the received service request to the external data network corresponding to the type of service comprises: if the type of service is WAP1X or Internet service, direct forwarding of the received service request to the WAPGW or a service server of Internet; if the service type is MMS, performing a header enhancement operation for the received service request and then sending the received service request to a multimedia message sending service center (MMSC); if the type of service is the type of service requiring a specific enhancement, adding a message header to the received service request and then sending the received service request with a message header to a corresponding service entity.
    [0006]
    6. Apparatus for accessing a service by a Mobile Station (MS) characterized in that it comprises a processor and a non-transient processor readable medium having processor executable instructions stored therein, the processor executable instructions including a plurality of units , the units including: a receiving unit configured to receive a service request carrying a Virtual Access Point Name (VAPN) which is not an actual access point name or a service request not including a Service Point Name. Access (APN) transmitted from MS; a service type identification unit configured to identify Virtual Private Network (VPN) service through a contracted relationship and to perform deep packet inspection (DPI) processing for the received service request, and identify a type of service if no VPN service is identified; and a sending control unit configured to send the received service request to an external data network according to the type of service identified by the processor; where the processor is configured with a free pass strategy for the VAPN or the empty APN to receive the service request.
    [0007]
    7. Apparatus, according to claim 6, characterized in that it further comprises: a quality of service (QoS) and billing control unit configured for the grammatical analysis of service data based on the service request received and performing at least one of (a) QoS control and (b) charging based on service data.
    [0008]
    8. Apparatus, according to claim 6, characterized in that it further comprises: an abnormal request processing unit configured to control and process an abnormal service request, in accordance with a pre-regulated strategy.
    [0009]
    9. Apparatus according to claim 6, characterized in that: when the service type identification unit identifies the service type as a Virtual Private Network (VPN) service, the sending control unit is configured to forward the received service request to a corresponding virtual private network router; when the service type identification unit identifies the service type as one of the group consisting of WAP1X, Internet service, Multimedia Messaging Service (MMS) or service requiring a specific enhancement: whether the service type is WAP1X or the Internet service, the sending control unit is configured to directly forward the incoming service request to a Wireless Application Protocol (WAP) access gateway (WAPGW) or an Internet service server; if the service type is MMS, the sending control unit is configured to perform a header improvement operation for the received service request and then send the received service request to a service center. sending multimedia message (MMSC); if the service type is the service type requiring a specific enhancement, the sending control unit is configured to add a message header to the received service request and then sending the received service request with the message header for a corresponding service entity.
    [0010]
    10. Mobile Station (MS) characterized in that it comprises a processor and a non-transient processor readable medium with processor executable instructions stored therein, the processor executable instructions including a plurality of units, the units including: a unit of service request configured to send a service request carrying a Virtual Access Point Name (VAPN) which is not a real access point name or a service request including an empty Access Point Name (APN) to a Gateway GPRS Support Node (GGSN) or a GGSN next level gateway and requesting a connection to an APN function entity; a service processing unit configured to exchange service data by an external service data network which establishes a connection to the MS via the GGSN or the next level gateway in accordance with a service type of the service request identified by a deep packet inspection (DPI) processing on the GGSN or gateway if no Virtual Private Network (VPN) service is identified, where the VPN service is identified by the GGSN or next-level gateway through a contracted relationship ; where the processor is configured with either a free pass strategy for the VAPN or the empty APN to receive the service request.
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    法律状态:
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-01-21| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-03-17| B15K| Others concerning applications: alteration of classification|Free format text: A CLASSIFICACAO ANTERIOR ERA: H04W 8/18 Ipc: H04W 76/12 (2018.01), H04W 80/12 (2009.01), H04W 8 |
    2021-04-06| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-05-04| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/05/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    CN2010101654688A|CN102238149A|2010-05-05|2010-05-05|Method, device and system for terminal to access to services|
    CN201010165468.8|2010-05-05|
    PCT/CN2010/079320|WO2011137644A1|2010-05-05|2010-12-01|Method, apparatus and system for accessing service by terminal|
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