WO2015180185A1 - User data processing method and apparatus - Google Patents

Abstract

A user data processing method and apparatus, which relate to the technical field of communications and can solve the problem that an access network device in a roaming area incorrectly processes a downlink data packet when a user equipment is in a roaming state. The method comprises: an access network device of a visited public land mobile network (VPLMN) receives a downlink data packet sent by a packet data network (PDN) gateway (PGW) (101), the downlink data packet comprising a processing identifier; the access network device determines that the PGW is a gateway of a home public land mobile network (HPLMN) according to indication information (102); and the access network device determines a processing mode of the downlink data packet according to the processing identifier and that the PGW is the gateway of the HPLMN (103). The method and apparatus are applicable to the scenario in which an access network device of a roaming network processes a downlink data packet sent by a gateway of an HPLMN.

Description

 User data processing method and device

 The present invention relates to the field of communications technologies, and in particular, to a method and apparatus for user data processing. Background technique

 In the wireless evolution network, mobile phone applications are more and more widely used, and various applications that occupy high bandwidth are also more and more, such as video, online games, etc., which occupy a large amount of bandwidth resources of the network. For access network devices, due to the limited resources of the access network devices, when these applications use a large amount of network resources, the access network devices may be congested. In the prior art, in the prior art, the gateway device on the network side or the TDF (traffic detection function entity), etc., differentiates all downlink data packets according to some conditions, for example, in the data. A processing identifier is added to the packet, and the downlink data packets are classified into different types. Then, the access network device can differentiate the downlink data packets according to different types. For example, the network side generates a priority of a data packet according to the type of the user, the application type of the data packet, and the like, and the data flow can divide the data packet into several classes according to different priorities, and receive downlink data on the access network device. After the packet, it is differentiated according to the priority of the packet, such as priority processing with high priority, while the lower priority may be processed later, or even lost.

At least the following problems exist in the prior art: The processing identifier in the data stream is generated by each operator according to a customized condition, and how the access network device processes the data packet is also customized by each operator. When the user equipment roams, if the user equipment accesses the network through the VPLMN (Vised Public Network Mobi le Network) and the HPLMN (Home Public Network Mobi le Network) operator The gateway establishes a PDN (Packet Data Network) connection or data transmission, and the user's downstream data stream passes through the gateway device of the user HPLMN, and the HPL匪 gateway device adds the attribution carrier definition in the downlink data flow. The generated packet processing identifier. In this way, after the downlink data packet arrives at the access network of the roaming operator, the meaning of the roaming operator-defined data packet processing identifier may be different from the home location, and the roaming access network is processing the data packet from the home gateway device. According to the processing identifier of the data packet, the data packet is processed according to the processing rule of the roaming processing identifier, so that the data packet cannot be processed normally. Summary of the invention

 An embodiment of the present invention provides a method and an apparatus for processing user data, which can solve the problem that a roaming access network device cannot correctly determine a processing manner of a data packet from a home gateway device when the user equipment is in a roaming state, resulting in an error processing packet. The problem.

 In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

 In a first aspect, an embodiment of the present invention provides a method for processing user data, including: receiving, by an access network device of a public land mobile network VPLMN, a downlink data packet sent by a packet data network gateway PGW, where the downlink data packet includes processing Identification

 The access network device determines, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN; Processing the identifier and the PGW is a gateway of the HPLMN, and determining a processing manner of the downlink data packet.

 In conjunction with the first aspect, in a first possible implementation manner of the first aspect, the downlink data packet includes the indication information.

 With reference to the first aspect, in a second possible implementation manner of the first aspect, the method further includes: the access network device receiving the indication information sent by the mobility management entity MME.

 With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the receiving, by the access network device, the indication information that is sent by the mobile management entity MME includes: The network device receives the attach request sent by the MME, where the attach request carries the indication information; or

 The access network device receives the bearer setup request or the PDN connection setup accept message sent by the MME, and the bearer setup request or the PDN connection setup accept message carries the indication information.

 In conjunction with the first aspect, in a fourth possible implementation manner of the first aspect, the indication information is the HPLMN identifier and/or the PGW location information is sent.

With reference to the first aspect, in a fifth possible implementation manner of the first aspect, the access device determines, according to the processing identifier, that the PGW is a gateway of the HPLMN, that the processing manner of the downlink data packet includes: : The access device converts the processing identifier according to the processing identifier corresponding to the processing identifier between the HPLMN and the VPLMN, and the processing identifier correspondence is preset;

 The access device determines a processing manner of the downlink data packet according to the converted processing identifier. With reference to the first aspect, in a sixth possible implementation manner of the first aspect, when the processing identifier is a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels;

 When the processing identifier is a service type identifier, the processing manner is to hierarchically process the downlink data packet according to different service type levels;

 When the process identifier is a data stream identifier, the processing manner is to process the downlink data packet according to different data stream levels.

 In a second aspect, an embodiment of the present invention provides an apparatus for processing user data, including: a receiving unit, configured to receive a downlink data packet sent by a packet data network gateway PGW, where the downlink data packet includes a processing identifier, and the access network device Located in the roaming public land mobile network VPLMN;

 a determining unit, configured to determine, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN; The processing identifier and the PGW are gateways of the HPLMN, and determining a processing manner of the downlink data packet.

 In conjunction with the second aspect, in a first possible implementation manner of the second aspect, the downlink data packet includes the indication information.

 With reference to the second aspect, in a second possible implementation manner of the second aspect, the receiving unit is further configured to receive the indication information that is sent by the mobility management entity MME.

 In conjunction with the second possible implementation of the second aspect, in a third possible implementation manner of the second aspect, the receiving unit includes:

 a receiving subunit, configured to receive an attach request sent by the MME, where the attach request carries the indication information; or

The receiving subunit is further configured to receive a bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information. In conjunction with the second aspect, in a fourth possible implementation manner of the second aspect, the indication information is the HPLMN identifier and/or the PGW location information is sent.

 With reference to the second aspect, in a fifth possible implementation manner of the second aspect, the determining unit includes: converting the processing identifier, where the processing identifier correspondence is preset;

 Determining a subunit, configured to determine, according to the converted processing identifier, a processing manner of the downlink data packet.

 With reference to the second aspect, in a sixth possible implementation manner of the second aspect, when the processing is identified as a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels;

 When the processing identifier is a service type identifier, the processing manner is to hierarchically process the downlink data packet according to different service type levels;

 When the process identifier is a data stream identifier, the processing manner is to process the downlink data packet according to different data stream levels.

 In a third aspect, an embodiment of the present invention provides an access network device, including:

 a receiver, configured to receive, by the access network device, a downlink data packet sent by the packet data network gateway PGW, where the downlink data packet includes a processing identifier, the access network device is located in the roaming public land mobile network VPLMN, and the processor is configured to use the indication information according to the indication information. Determining that the PGW is a gateway of the home public land mobile network HPLMN, wherein the indication information is used to indicate that the PGW is a gateway of the HPLMN; and, for determining, according to the processing identifier, the PGW is the HPLMN The gateway determines the processing mode of the downlink data packet.

 In conjunction with the third aspect, in a first possible implementation manner of the third aspect, the downlink data packet includes the indication information.

 With reference to the third aspect, in a second possible implementation manner of the third aspect, the receiver is further configured to receive the indication information that is sent by the mobility management entity MME.

With the second possible implementation of the third aspect, in a third possible implementation manner of the third aspect, the receiver is further configured to receive an attach request sent by the MME, where the attach request is Carrying the indication information; or

 The receiver is further configured to receive a bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.

 In conjunction with the third aspect, in a fourth possible implementation manner of the third aspect, the indication information is the HPLMN identifier and/or the PGW location information is sent.

 With reference to the third aspect, in a fifth possible implementation manner of the third aspect, the processor is further configured to: convert the processing identifier according to a processing identifier correspondence between the HPLMN and the VPLMN, The processing identifier correspondence is preset; and, for determining the processing manner of the downlink data packet according to the converted processing identifier.

 With reference to the third aspect, in a fifth possible implementation manner of the third aspect, when the processing identifier is a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels;

 When the processing identifier is a service type identifier, the processing manner is to hierarchically process the downlink data packet according to different service type levels;

 When the process identifier is a data stream identifier, the processing manner is to process the downlink data packet according to different data stream levels.

 The method and device for processing user data provided by the embodiment of the present invention, the access network device of the VPLMN in the present invention receives the downlink data packet including the processing identifier sent by the packet data network gateway PGW, and determines, according to the indication information, that the PGW is the home public land. The gateway of the mobile network HPLMN, wherein the indication information is used to indicate that the PGW is a gateway of the HPLMN; the access device determines the processing manner of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPLMN. The access network device of the VPLMN determines that the PGW that sends the data packet is the gateway of the HPLMN according to the indication information of the downlink data packet, and determines the processing mode of the downlink data packet according to the processing identifier of the HPLMN, so that the access network device of the VPL匪 can be correctly configured. Determine the processing method of the downlink data packet sent by the HPLMN gateway, and correctly process the downlink data packet.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. Obviously, the drawings in the following description are merely the present invention. Some of the embodiments may be obtained by those of ordinary skill in the art in view of these drawings without any inventive effort.

 FIG. 1 is a flowchart of a method according to an embodiment of the present invention;

 2 is a flowchart of a method according to another embodiment of the present invention;

 FIG. 3 is a schematic diagram of a format of a transmission protocol according to another embodiment of the present invention; FIG.

 4 is a flowchart of a method according to another embodiment of the present invention;

 5 and FIG. 6 are schematic structural diagrams of a device according to another embodiment of the present invention;

 FIG. 7 is a schematic structural diagram of an access network device according to another embodiment of the present invention.

detailed description

 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

 An embodiment of the present invention provides a method for processing user data, which is used in an access network device of a VPLMN. As shown in FIG. 1, the method includes:

 1 01. The access network device receives the downlink data packet sent by the packet data network gateway PGW.

 The downlink data packet includes a processing identifier.

 1 02. The access network device determines, according to the indication information, that the PGW is a gateway of the public land mobile network HPLMN.

 The indication information may be included in the downlink data packet, or the access network device receives the indication information sent by the mobility management entity MME.

 Optionally, the receiving network device receives the indication information sent by the MME, where: the access network device receives the attach request sent by the MME, where the attach request carries the indication information; or the access network device receives the bearer setup request sent by the MME or The PDN connection establishment accept message carries the indication information in the bearer setup request or the PDN connection setup accept message.

 Optionally, the indication information is an HPL 匪 identifier and/or a PGW location information is sent.

1 03. The access network device determines the processing mode of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPLMN. Optionally, the access network device determines, according to the processing identifier and the gateway where the PGW is the HPLMN, the processing manner of the downlink data packet includes: the access device firstly performs the mapping according to the processing identifier between the HPLMN and the VPLMN, and converts the processing identifier, and the processing identifier corresponds to The relationship is preset; then, the processing method of the downlink data packet is determined according to the converted processing identifier.

 Optionally, the processing identifier includes a priority identifier or a service type identifier. When the processing identifier is the priority identifier, the processing mode is to process the downlink data packet according to different priority levels; when the processing identifier is the service type identifier, the processing manner is to hierarchically process the downlink data packet according to different service type levels; When the data stream is identified, the processing method is to process the downlink data packets according to different data flow levels.

 It should be noted that the embodiment of the present invention may also be used in a scenario where the user equipment is in a roaming state, but the PL匪 to which the PGW gateway device belongs is the same as the VPL匪 in which the user equipment is located.

 In the prior art, after the downlink data packet arrives at the access network of the roaming operator, the data packet processing identifier generated by the roaming operator definition may be different from the home location, and the roaming access network is processing the device from the home gateway device. When the downlink data packet is processed, according to the processing identifier of the downlink data packet, the data packet is processed according to the processing rule of the roaming processing identifier, so that the data packet cannot be processed normally. Compared with the prior art, the access network device of the VPLMN in the embodiment of the present invention receives the downlink data packet including the processing identifier sent by the packet data network gateway PGW, and determines, according to the indication information, that the PGW is the home public land mobile network HPL匪. The gateway, where the indication information is used to indicate that the PGW is a gateway of the HPL匪; the access device determines the processing manner of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPLMN. The access network device of the VPLMN determines that the PGW that sends the data packet is the gateway of the HPLMN according to the indication information of the downlink data packet, and determines the processing mode of the downlink data packet according to the processing identifier of the HPLMN, so that the access network device of the VPL匪 can be correctly configured. Determine the processing method of the downlink data packet sent by the HPLMN gateway, and correctly process the downlink data packet.

A further embodiment of the present invention provides a method for processing user data, which is used in an access network device, where an attachment process of a UE in a roaming network is used as an example, and an access network device is configured between a processing identifier of the HPLMN and a processing identifier of the VPLMN. Corresponding relationship, PGW (PDN Ga t eway, packet data network gateway) is a gateway device of HPLMN, SGW (Serving Gat eway, service gateway) is a gateway device of VPL匪, as shown in FIG. 3, the method includes : 201. The user equipment sends an attach request to the mobility management entity.

 The user equipment initiates an attach request to the mobility management entity by using the access network device. The mobility management entity mainly completes the mobility management, session management, and NAS layer signaling of the UE under the E_UTRAN (Evolved Universal Mobi Le Telecommuni cat ion System Territorial Radio Access Network) Features such as encryption and integrity protection, PGW or SGW selection. When the UE is in an idle state, the MN can save the bearer context information. When the roaming network is attached, the user equipment initiates an attach request to the mobility management entity through the access network device.

 202. The mobility management entity sends a create session request to the serving gateway SGW.

 The request message includes an address of a PGW or a GGSN (Gateway General Packet Radio Service Support Node) gateway device. The SGW may determine, according to the address information of the PGW or GGSN gateway device that is configured to belong to the roaming network, whether the PGW or GGSN gateway address included in the session request is located in the home network to which the user equipment belongs or Located on a roaming network. The SGW is mainly responsible for relaying user traffic between the user equipment and the PGW, and as an anchor point when switching between access network devices.

 Optionally, in order to avoid the configuration workload of the SGW, the request message for sending a session request sent by the mobility management entity to the serving gateway SGW may also include a gateway location indication, and after receiving the attachment request of the user equipment, the MN may be The user equipment selects the corresponding gateway device. The E-E can know whether the gateway device of the home PL附着 to which the current UE is attached or the gateway device of the roaming PLMN, so the gateway location indication includes the location processed by the gateway device, and indicates to the SGW that the PGW or the GGSN gateway is located at the home network. Still located in a roaming network.

 203. The SGW sends a create session request to the PGW.

 The PGW is a gateway of the PDN network that provides the service (the network may be a packet network inside or outside the operator), and is responsible for forwarding and filtering the user data stream.

 204. The PGW sends a create session response to the SGW.

 205. The SGW sends a create session response to the MN.

 206. The MME sends an initial context request or an attach accept request to the access network device.

The initial context request or the attach accept request carries the user equipment home network identifier. Optionally, the location information of the PGW is carried in the initial context request or the attach accept request.

 207. The access network device sends a radio resource control connection reconfiguration message to the UE.

 208. The access network device sends a radio resource control connection reconfiguration complete message to the UE.

 209. The access network device sends an initial upper and lower setup response to the MN.

 It should be noted that, after the foregoing process is performed, the access network device obtains the identifier of the home network of the UE, and may be the following processing manner during the data transmission process.

 21 0. The PGW identifies the processing identifier of the data packet in the downlink data packet.

 The processing identifier of the data packet identified by the PGW in the downlink data packet is a processing identifier defined by the network operator to which the user equipment belongs.

 21 1. The PGW sends a downlink data packet to the SGW.

 212. The SGW adds a flag bit to the downlink data packet.

 After the downlink data packet arrives at the SGW, the SGW adds a flag bit to the downlink data packet according to the location of the PGW that sends the downlink data packet, indicating the network that sends the downlink data packet. The type indicated here is not limited, for example, "0" means that the data packet is from the home network.

 21 3. The SGW sends a downlink data packet to the access network device.

 214. The access network device determines a correct processing manner of the current processing identifier.

 After receiving the downlink data packet, the access network device can obtain the network that sends the downlink data packet according to the identifier carried in the downlink data packet, and then determine the downlink according to the corresponding relationship between the configured processing identifier and the processing identifier on the downlink data packet. How the packet is processed.

 For example, when the processing identifier indicates the priority of each downlink data packet, the processing manner of the downlink data packet includes priority processing, later processing, or dropping.

 215. The access network device processes the downlink data packet.

Optionally, in step 212, after receiving the downlink data packet, the SGW may add, in the data packet, a network identifier that sends the downlink data packet or a location information of the PGW that sends the downlink data packet, but does not need to be in step 206. The MME carries the location information of the user equipment home network identifier or the PGW when the initial context request or the attach accept request is sent to the access network device. For example, as shown in FIG. 3, the location information of the user equipment home network identifier or PGW is added to the GTP-U (Genera 1 Packet Radium System Protocol) packet header. It should be noted that the processing identifier may be a priority identifier, a service type identifier, or the like. When the processing identifier is the priority identifier, the access network device can determine the processing manner of the downlink data packet according to the priority level corresponding to the processing identifier. For example, the downlink data packet with the higher priority level can be preferentially processed, and the downlink data at the lower end of the priority level. Packets can be deferred or discarded. When the processing identifier is a service type identifier, the access network device may determine the processing manner of the downlink data packet according to the service type level corresponding to the processing identifier. For example, the downlink data packet with a high service type level may be preferentially processed, and the downlink of the service type level is preferentially processed. Packets can be deferred or discarded. When the processing identifier is a data flow identifier, the access network device may determine the processing manner of the downlink data packet according to the data flow type level corresponding to the processing identifier. For example, when the processing identifier is 1, the data packet loss is 15%; When it is 2, this data stream is lost by 30%. The priority level, the service type level, and the data flow identification level are preset.

 It should be noted that the embodiment of the present invention may also be used in the scenario where the user equipment is in a roaming state, but the PLMN to which the PGW gateway device belongs is the same as the VPLMN in which the user equipment is located.

In the prior art, after the downlink data packet arrives at the access network of the roaming operator, the data packet processing identifier generated by the roaming operator definition may be different from the home location, and the roaming access network is processing the device from the home gateway device. When the downlink data packet is processed, according to the processing identifier of the downlink data packet, the data packet is processed according to the processing rule of the roaming processing identifier, so that the data packet cannot be processed normally. Compared with the prior art, in the process of attaching the user equipment to the roaming network, the access network device configures the correspondence between the processing identifier of the home network and the processing identifier of the roaming network in the embodiment of the present invention. The request sent by the network access device carries the identifier of the home network. When processing the downlink data packet, the processing mode of the downlink data packet is determined according to the processing identifier and the corresponding relationship of the configuration, and then the downlink data packet is processed. The access network device determines the network that sends the data packet according to the indication information of the downlink data packet, and then correspondingly processes the processing identifier of the downlink data packet to the processing identifier customized by the roaming network operator according to the corresponding relationship, and determines the processing manner of the downlink data packet. , enabling the access network device to correctly process downstream data packets. A further embodiment of the present invention provides a method for processing user data. As shown in FIG. 4, the user equipment is in a roaming network, and the roaming network and the home network dedicated bearer establishment process are taken as an example. The processing identifier of the roaming network that carries the connection and the processing label of the home network are configured. Correspondence between the knowledge, the method includes:

 301. The PGW sends a create bearer request to the SGW.

 302. The SGW sends a create bearer request to the MN.

 303. The MME sends a bearer setup request or a session management request to the access network device.

 The MME sends a bearer setup request or a session management request to the access network device, where the identifier of the network to which the PGW is connected and/or the location information of the PGW to which the bearer is connected is included.

 304. The access network device sends a radio resource control connection reconfiguration message to the UE.

 305. The UE sends a radio resource control connection reconfiguration complete message to the access network device.

 306. The access network device sends a bearer setup response to the MME.

 It should be noted that, after the establishment of the dedicated bearer is completed, the following steps 307 to 312 are the processing of the downlink data packet, and the process is the same as the process described in steps 210 to 215, and details are not described herein again.

 307. The PGW identifies the processing identifier of the data packet in the downlink data packet.

 308. The PGW sends a downlink data packet to the SGW.

 309. The SGW adds a flag bit to the downlink data packet.

 310. The SGW sends a downlink data packet to the access network device.

 311. The access network device determines a correct processing manner of the current processing identifier.

 312. The access network device performs differentiated processing on the data packet.

 Optionally, in step 309, after receiving the downlink data packet, the SGW may add, in the data packet, a network identifier that sends the downlink data packet or a location information of the PGW that sends the downlink data packet, but does not need to be in step 303. The MME carries the location information of the user equipment home network identifier or the PGW when the initial context request or the attach accept request is sent to the access network device. For example, the GTP-U packet header is added with the identifier of the network to which the connected PGW belongs or the location information of the PGW to which the bearer is connected.

It should be noted that the processing identifier may be a priority identifier, a service type identifier, or the like. When the processing identifier is the priority identifier, the access network device can determine the processing manner of the downlink data packet according to the priority level corresponding to the processing identifier. For example, the downlink data packet with the higher priority level can be preferentially processed, and the downlink data at the lower end of the priority level. Packets can be deferred or discarded. When the processing identifier is a service type identifier, the access network device may determine the downlink data packet according to the service type level corresponding to the processing identifier. The processing mode, for example, the downlink data packet with a high service type level can be preferentially processed, and the downlink data packet at the bottom of the service type level can be temporarily processed or discarded. When the processing identifier is a data flow identifier, the access network device may determine the processing manner of the downlink data packet according to the data flow type level corresponding to the processing identifier. For example, when the processing identifier is 1, the data packet loss is 15%; When it is 2, this data stream is lost by 30%. The priority level, the service type level, and the data flow identification level are preset.

 It should be noted that the embodiment of the present invention may also be used in the scenario where the user equipment is in a roaming state, but the PLMN to which the PGW gateway device belongs is the same as the VPLMN in which the user equipment is located.

 In the prior art, after the downlink data packet arrives at the access network of the roaming operator, the data packet processing identifier generated by the roaming operator definition may be different from the home location, and the roaming access network is processing the device from the home gateway device. When the downlink data packet is processed, according to the processing identifier of the downlink data packet, the data packet is processed according to the processing rule of the roaming processing identifier, so that the data packet cannot be processed normally. Compared with the prior art, in the embodiment of the present invention, in the establishment of the dedicated bearer, the access network device configures the correspondence between the processing identifier of the home network and the processing identifier of the roaming network, and the request sent by the MME to the access network device. The network identifier or location information of the gateway device connected to the bearer is carried. When the downlink data packet is processed, the processing mode of the downlink data packet is determined according to the processing identifier and the corresponding relationship of the configuration, and then the downlink data packet is processed. The access network device determines the network that sends the data packet according to the indication information of the downlink data packet, and then correspondingly processes the processing identifier of the downlink data packet to the processing identifier customized by the roaming network operator according to the corresponding relationship, and determines the processing manner of the downlink data packet. , enabling the access network device to correctly process downstream data packets. A further embodiment of the present invention provides a device 40 for processing user data. As shown in FIG. 5, the device 40 includes:

 The receiving unit 41 is configured to receive a downlink data packet sent by the packet data network gateway PGW, where the downlink data packet includes a processing identifier, and the access network device is located in the roaming public land mobile network VPLMN;

The determining unit 42 is configured to determine, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN; and the determining unit 42 is further configured to: Determining a processing manner of the downlink data packet according to the processing identifier and the PGW being a gateway of the HPLMN. The downlink data packet includes the indication information. The indication information is the HPLMN identifier and/or the PGW location information is sent. When the processing identifier is a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels; when the processing identifier is a service type identifier, the processing manner is according to different service type levels. The downlink data packet is processed hierarchically.

 Further, the receiving unit 41 is further configured to receive the indication information sent by the mobility management entity MME.

 Further, as shown in FIG. 6, the receiving unit 41 may further include:

 The receiving sub-unit 41 1 is configured to receive an attach request sent by the MME, where the attach request carries the indication information; or

 The receiving sub-unit 41 1 is further configured to receive a bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.

 Further, as shown in FIG. 6, the determining unit 42 may further include: converting the processing identifier, where the processing identifier correspondence is preset;

 The determining subunit 422 is configured to determine, according to the converted processing identifier, a processing manner of the downlink data packet.

In the prior art, after the downlink data packet arrives at the access network of the roaming operator, the data packet processing identifier generated by the roaming operator definition may be different from the home location, and the roaming access network is processing the device from the home gateway device. When the downlink data packet is processed, according to the processing identifier of the downlink data packet, the data packet is processed according to the processing rule of the roaming processing identifier, so that the data packet cannot be processed normally. Compared with the prior art, the device 40 of the VPLMN in the embodiment of the present invention receives the downlink data packet including the processing identifier sent by the packet data network gateway PGW, and determines, according to the indication information, the PGW as the gateway of the home public land mobile network HPLMN, where The indication information is used to indicate that the PGW is a gateway of the HPL匪; the device 40 determines the processing mode of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPLMN. Thus, the Zhang Zhi 40 of the VPLMN determines that the PGW that sends the data packet is the gateway of the HPLMN according to the indication information of the downlink data packet, and determines the processing mode of the downlink data packet according to the processing identifier of the HPLMN, so that the device 40 of the VPLMN is enabled. It can correctly determine the processing mode of the downlink data packet sent by the HPLMN gateway, and correctly process the downlink data packet. A further embodiment of the present invention provides an access network device 50. As shown in FIG. 7, the access network device 50 includes:

 The receiver 51 is configured to receive, by the access network device, a downlink data packet sent by the packet data network gateway PGW, where the downlink data packet includes a processing identifier, and the access network device is located in the roaming public land mobile network VPLMN;

 The processor 52 is configured to determine, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN; and, The identifier and the PGW are gateways of the HPLMN, and determining a processing manner of the downlink data packet.

 The downlink data packet includes the indication information. The indication information is the HPLMN identifier and/or the PGW location information is sent. When the processing identifier is a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels; when the processing identifier is a service type identifier, the processing manner is according to different service type levels. The downlink data packet is processed hierarchically.

 Further, the receiver 51 is further configured to receive the indication information sent by the mobility management entity.

 Further, the receiver 51 is further configured to receive an attach request sent by the MME, where the attach request carries the indication information; or

 The receiver 51 is further configured to receive a bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.

 Further, the processor 52 is further configured to: according to the processing identifier correspondence between the HPLMN and the VPLMN, convert the processing identifier, where the processing identifier correspondence is preset; and, The processing identifier determines the processing manner of the downlink data packet.

In the prior art, after the downlink data packet arrives at the access network of the roaming operator, the roaming operation is performed. The packet processing identifier generated by the quotient may be different from the home location. When the roaming access network processes the downlink data packet from the home gateway device, according to the processing identifier of the downlink data packet, the processing rule of the roaming processing identifier is processed. The packet is processed, causing the packet to not be processed properly. Compared with the prior art, the access network device 50 of the VPLMN in the embodiment of the present invention receives the downlink data packet including the processing identifier sent by the packet data network gateway PGW, and determines the PGW as the home public land mobile network HPL according to the indication information. The gateway, wherein the indication information is used to indicate that the PGW is a gateway of the HPL匪; the access device 50 determines the processing mode of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPL匪. The access network device 50 of the VPLMN determines that the PGW that sends the data packet is the gateway of the HPLMN according to the indication information of the downlink data packet, and determines the processing mode of the downlink data packet according to the processing identifier of the HPLMN, so that the access network device 50 of the VPLMN can enable the access network device 50 of the VPLMN. Correctly determine the processing method of the downlink data packet sent by the HPL匪 gateway, and correctly process the downlink data packet.

 The device for processing the user data provided by the embodiment of the present invention may implement the foregoing method embodiment. For the specific function implementation, refer to the description in the method embodiment, and details are not described herein again. The device method and device for processing user data provided by the embodiments of the present invention may be applicable to the scenario where the access network device of the roaming network processes the downlink data packet sent by the HPLMN gateway, but is not limited thereto.

 The various embodiments in the specification are described in a progressive manner, and the same or similar parts of the various embodiments may be referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.

 A person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. In execution, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Acces s Memory (RAM).

 The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any change or replacement that can be easily conceived by those skilled in the art within the technical scope of the present invention is All should be covered by the scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

Claim A method for processing user data, comprising:  Roaming public land mobile network The access network device of the VPLMN receives the downlink data packet sent by the packet data network gateway PGW, and the downlink data packet includes a processing identifier;  The access network device determines, according to the indication information, that the PGW is a gateway of the public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN;  And determining, by the access device, a processing manner of the downlink data packet according to the processing identifier and the PGW being a gateway of the HPLMN.  2. The method according to claim 1, wherein the downlink data packet includes the indication information.  3. The method according to claim 1, further comprising:  The access network device receives the indication information sent by the mobility management entity MME.  The method according to claim 3, wherein the receiving, by the access network device, the indication information sent by the mobility management entity MME comprises:  The access network device receives the attach request sent by the MME, where the attach request carries the indication information; or  The access network device receives the bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.  The method according to claim 1, wherein the indication information is the HPLMN identity and/or the PGW location information is sent.  The method according to claim 1, wherein the access device determines, according to the processing identifier, that the PGW is a gateway of the HPLMN, that the processing manner of the downlink data packet includes: The ingress device converts the processing identifier according to the processing identifier correspondence between the HPLMN and the VPLMN, and the processing identifier correspondence is preset;  The access device determines a processing manner of the downlink data packet according to the converted processing identifier. The method according to claim 1, wherein when the processing identifier is a priority identifier, the processing manner is that the downlink data packet is hierarchically processed according to different priority levels; When the process identifier is a service type identifier, the processing manner is according to different service types, and the like. Level-grading processing the downlink data packet;  When the process identifier is a data flow identifier, the processing manner is to hierarchically process the downlink data packet according to different data flow levels.  8. A device for processing user data, comprising:  a receiving unit, configured to receive a downlink data packet sent by a packet data network gateway PGW, where the downlink data packet includes a processing identifier, and the access network device is located in a roaming public land mobile network VPLMN;  a determining unit, configured to determine, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN;  The determining unit is further configured to determine a processing manner of the downlink data packet according to the processing identifier and the gateway where the PGW is the HPLMN.  9. The apparatus according to claim 8, wherein the downlink data packet includes the indication information.  The device according to claim 8, wherein the receiving unit is further configured to receive the indication information sent by the mobile management entity MME.  The device according to claim 10, wherein the receiving unit comprises: a receiving subunit, configured to receive an attach request sent by the MME, where the attach request carries the indication information; or ,  The receiving subunit is further configured to receive the bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.  12. The apparatus according to claim 8, wherein the indication information is the HPLMN identifier and/or the PGW location information is sent.  The device according to claim 8, wherein the determining unit comprises: converting the processing identifier, where the processing identifier correspondence is preset;  Determining a subunit, configured to determine a processing manner of the downlink data packet according to the processed processing identifier. The device according to claim 8, wherein, when the process identifier is a priority identifier, the processing manner is that the downlink data packet is hierarchically processed according to different priority levels; When the process identifier is a service type identifier, the processing manner is to hierarchically process the downlink data packet according to different service type levels;  When the process identifier is a data flow identifier, the processing manner is to hierarchically process the downlink data packet according to different data flow levels.  15. An access network device, comprising:  a receiver, configured to receive, by the access network device, a downlink data packet sent by a packet data network gateway PGW, where the downlink data packet includes a processing identifier, and the access network device is located in a roaming public land mobile network VPLMN;  a processor, configured to determine, according to the indication information, that the PGW is a gateway of the home public land mobile network HPLMN, where the indication information is used to indicate that the PGW is a gateway of the HPLMN; and And the PGW is a gateway of the HPLMN, and determining a processing manner of the downlink data packet.  The access network device according to claim 15, wherein the downlink data packet includes the indication information.  The access network device according to claim 15, wherein the receiver is further configured to receive the indication information sent by the mobility management entity.  The access network device according to claim 17, wherein the receiver is further configured to receive an attach request sent by the MME, where the attach request carries the indication information; or  The receiver is further configured to receive a bearer setup request or the PDN connection setup accept message sent by the MME, where the bearer setup request or the PDN connection setup accept message carries the indication information.  The access network device according to claim 15, wherein the indication information is the HPLMN identifier and/or the PGW location information is sent.  The access network device according to claim 15, wherein the processor is further configured to convert the processing identifier according to a processing identifier correspondence between the HPLMN and the VPLMN. The processing identifier correspondence relationship is preset; and, for determining the processing manner of the downlink data packet according to the converted processing identifier. The access network device according to claim 15, wherein, when the processing identifier is a priority identifier, the processing manner is to hierarchically process the downlink data packet according to different priority levels; When the processing identifier is a service type identifier, the processing manner is based on different service types, and the like. Level-grading processing the downlink data packet;  When the process identifier is a data flow identifier, the processing manner is to hierarchically process the downlink data packet according to different data flow levels.