WO2012171425A1

WO2012171425A1 - Service processing method and device

Info

Publication number: WO2012171425A1
Application number: PCT/CN2012/075538
Authority: WO
Inventors: 涂杨巍; 朱春晖; 曲爱妍
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-06-13
Filing date: 2012-05-15
Publication date: 2012-12-20
Also published as: CN102833274A

Abstract

Disclosed are a service processing method and device. The method includes: a terminal receiving an access network discovery and selection function (ANDSF) policy sent by the network side, wherein the ANDSF policy includes the migration condition of a service; the terminal sensing that the current service meets the migration condition; and the terminal migrating the service stream related to the current service to other network side devices.Applying the present invention can solve the problem that current 3GPP systems cannot perform data differentiation on the services in the network so as to perform classification processing.

Description

TECHNICAL FIELD The present invention relates to the field of communications, and in particular to a service processing method and apparatus. BACKGROUND OF THE INVENTION The 3rd Generation Partnership Project (3GPP) evolved packet system

(Evolved Packet System, EPS) Evolved Universal Terrestrial Radio Access Network (E-UTRAN), Mobility Management Entity (MME), Serving Gateway (S) -GW), Packet Data Network Gateway (P-GW or PDN GW), Home Subscriber Server (HSS), 3GPP Authenticated Authorization and Accounting (AAA) server, The Policy and Charging Rules Function (PCRF) entity and other supporting nodes are composed. 1 is a schematic diagram of a system architecture of an EPS according to the related art. As shown in FIG. 1, the MME is responsible for control planes such as mobility management, processing of non-access stratum signaling, and management of user mobility management context; GW is an access gateway device connected to E-UTRAN, which forwards data between E-UTRAN and P-GW, and is responsible for buffering paging waiting data; P-GW is EPS and packet data network (Packet Data Network) , PDN) The border gateway of the network, responsible for PDN access and forwarding data between EPS and PDN; PCRF is a policy and charging rule function entity, which receives the interface Rx and the carrier network protocol (IP) The service network is connected to obtain the service information. In addition, it is connected to the gateway device in the network through the Gx/Gxa/Gxc interface, and is responsible for initiating the establishment of the IP bearer, ensuring the quality of service (QoS) of the service data, and performing the calculation. Fee control.

The EPS supports interworking with non-3GPP systems, wherein interworking with non-3GPP systems is implemented through an S2a/b/c interface, and the P-GW acts as an anchor between 3GPP and non-3GPP systems. In the system architecture diagram of EPS, non-3GPP systems are classified into trusted non-3GPP IP access and untrusted non-3GPP IP access. Trusted non-3GPP IP access can be directly connected to the P-GW through the S2a interface; untrusted non-3GPP IP access needs to be connected to the P-GW through the Evolved Packet Data Gateway (ePDG), ePDG and P- The interface between the GWs is S2b. The S2c provides user plane-related control and mobility support between the user equipment (User Equipment, UE) and the P-GW. The supported mobility management protocol is dual IPv2 mobile IPv6 support. Mobile IPv6 Support for Dual Stack Hosts and Routers, DSMIPv6). In the 3GPP network before the EPS, the Policy and Charging Enforcement Function (PCEF) entity exists in the P-GW. The interface between the PCRF and the P-GW can complete all functions. Exchange information with the P-GW through the Gx interface (see Figure 1). When the interface between the P-GW and the S-GW is based on PMIPv6, the S-GW also has a Bearer Binding and Event Report Function (BBERF) entity to perform QoS control on the service data flow, S-GW and The PCRF exchanges information between the Gxc interfaces (see Figure 1). When accessed through a trusted non-3GPP access system, the BBERF is also resident in the trusted non-3GPP access gateway. The trusted non-3GPP access gateway exchanges information with the PCRF through the Gxa interface (see Figure 1). When the UE roams, the S9 interface functions as an interface between the home PCRF and the visited PCRF, and provides the application function (AF) of the service to the UE, and sends the policy and charging control to the PCRF through the Rx interface (Policy and Charging Control, PCC) Business information of the strategy. In 3GPP, the corresponding PDN network can be found through an Access Point Name (APN). A connection from a UE to a PDN network is typically referred to as an IP Connectivity Access Network (IP-CAN) session. When users use 3GPP access or non-3GPP access networks to connect to the EPC core network to use services or access the Internet, point-to-point (P2P) services may be used. These services are characterized by a large number of connections. Single connections or even overall throughput is small. For these service data, the operator may wish to use non-3GPP access for offloading (for example, Wireless Local Area Network (WLAN)) or to distinguish it from other service data in order to use policies for resource control. Similarly, for the positioning service, the user uses the network for online banking access and device-to-device communication, and the operator may hope that such services always access the core network through 3GPP, thereby providing users with safer and more secure services. . These are not possible for the current 3GPP network. In addition, for the video on demand, picture and text browsing services embedded in the webpage, since they are all carried on the Hyper Text Transport Protoco (HTTP), the current 3GPP system cannot distinguish between these data. , so as to achieve classification processing. For the current 3GPP system in the related art, it is not possible to distinguish the data for the services in the network, thereby achieving the problem of classification processing, and no effective solution has been proposed yet. SUMMARY OF THE INVENTION A main object of the present invention is to provide a service processing method and apparatus, so as to at least solve the problem that the current 3GPP system cannot perform data classification for services in the network, thereby performing classification processing. According to an embodiment of the present invention, a service processing method is provided, including: receiving, by a terminal, an Access Network Discovery and Selection Function (ANDSF) policy sent by a network side, where the ANDSF policy includes a service The migration condition is that the terminal perceives that the current service meets the migration condition; the terminal migrates the current service-related service flow to other network-side devices. Preferably, the receiving, by the terminal, the ANDSF policy sent by the network side, the method includes: the terminal receiving an ANDSF policy sent by the network side by using a Push or a Pull mode. Preferably, the migration condition comprises: a connection number threshold and/or a behavior type. Preferably, the current service meets the migration condition, and includes at least one of the following: the number of connections of the current service reaches the connection threshold; the type of the current service conforms to the behavior type. Preferably, the behavior type includes any one or more of the following combinations: point-to-point (P2P) download, location service, device-to-device communication, and online banking access. Preferably, the migrating the current service-related service flow to the other network-side device, the terminal includes: the terminal migrating the current service-related service flow to a packet data network connected before the current service

(PDN) on another different PDN, wherein the network side devices of the current service access are different in the two different PDNs; or the terminal adopts the current service access packet data network gateway (PGW) The other access technology that is different in the access technology is used to connect the current service-related service flow to the PGW. The network-side devices used as access points by the two access technologies are different. According to another embodiment of the present invention, a service processing apparatus is provided, which is provided in a terminal, and includes: a receiving module, configured to receive an access network discovery and selection function (ANDSF) policy sent by a network side, where the ANDSF The policy includes a migration condition of the service; the sensing module is configured to sense that the current service meets the migration condition; and the migration module is configured to migrate the current service-related service flow to other network-side devices. Preferably, the receiving module is further configured to receive, by using the Push or Pull mode, the network side

ANDSF strategy. Preferably, the sensing module is further configured to: sense that the number of connections of the current service reaches a connection threshold that is included in the migration condition; or that the type of the current service meets a behavior type that is included in the migration condition. Preferably, the migration module is further configured to migrate the current service-related service flow to another PDN different from a packet data network (PDN) connected before the current service, where two different PDNs are used. The network side device of the current service access is different; or the current service related service is adopted by another access technology different from the access technology used by the current service access packet data network gateway (PGW). The flow is connected to the PGW, where the network side devices used as the access point are different by the two access technologies. In the embodiment of the present invention, the terminal receives an access network discovery and selection function (ANDSF) policy sent by the network side, where the ANDSF policy includes a service migration condition; and the terminal perceives that the current service meets the migration condition, and then migrates the current service-related The service flows to other network side devices. That is, in the embodiment of the present invention, the terminal can classify the service flow, and if the current service meets the migration condition set by the network side, the related service flow is migrated to other network side devices, thereby achieving classification processing of the service data. The purpose is, for example, to migrate current services from a 3GPP system to a non-3GPP system. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are set to illustrate,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 1 is a schematic diagram of an architecture of a non-3GPP access to an EPS system according to the related art; FIG. 2 is a flowchart of a process of a service processing method according to an embodiment of the present invention; FIG. 3 is a flowchart according to an embodiment of the present invention. FIG. 4 is a flowchart of Embodiment 2 of a service processing method according to an embodiment of the present invention; FIG. 5 is a flowchart of Embodiment 3 of a service processing method according to an embodiment of the present invention; 6 is a flowchart of Embodiment 4 of a service processing method according to an embodiment of the present invention; FIG. 7 is a flowchart of Embodiment 5 of a service processing method according to an embodiment of the present invention; FIG. 8 is a flowchart according to an embodiment of the present invention; FIG. 9 is a flowchart of Embodiment 7 of a service processing method according to an embodiment of the present invention; FIG. 10 is a flowchart of Embodiment 8 of a service processing method according to an embodiment of the present invention; 11 is a flowchart of Embodiment 9 of a service processing method according to an embodiment of the present invention; FIG. 12 is a flowchart of Embodiment 10 of a service processing method according to an embodiment of the present invention; FIG. 13 is a schematic structural diagram of a service processing apparatus according to an embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. As mentioned in the related art, when a user connects to an EPC core network to use a service or access the Internet by using a 3GPP access or a non-3GPP access network, a point-to-point (P2P) service may be used, and the characteristics of these services are used. The number of connections is large, and the single connection or even the overall throughput is not large. For these service data, the operator may wish to use non-3GPP access for offloading (for example, Wireless Local Area Network (WLAN)) or to distinguish it from other service data in order to use policies for resource control. Similarly, for the positioning service, the user uses the network for online banking access and device-to-device communication. The operator may hope that such services always access the core network through 3GPP, thereby providing users with more secure and more secure services. . These are not possible for the current 3GPP network. In addition, for the video on demand, picture and text browsing services embedded in the webpage, since the services are all carried on the HTTP protocol, the current 3GPP system cannot distinguish the data, so as to perform classification processing. To solve the above technical problem, the embodiment of the present invention provides a service processing method, and the processing flow thereof is as shown in FIG. 2, including: Step S202: The terminal receives an access network discovery and selection function (ANDSF) policy sent by the network side, The ANDSF policy includes the migration condition of the service. Step S204: The terminal perceives that the current service meets the migration condition. Step S206: The terminal migrates the current service-related service flow to other network-side devices. In the embodiment of the present invention, the terminal receives an access network discovery and selection function (ANDSF) policy sent by the network side, where the ANDSF policy includes a service migration condition; and the terminal perceives that the current service meets the migration condition, and then migrates the current service-related The service flows to other network side devices. That is, in the embodiment of the present invention, the terminal can classify the service flow, and if the current service meets the migration condition set by the network side, the related service flow is migrated to other network side devices, thereby achieving classification processing of the service data. The purpose is, for example, to migrate current services from a 3GPP system to a non-3GPP system. During the implementation, the network side can send the ANDSF policy through Push or Pull. The specific transmission method is determined according to the specific situation. After receiving the ANDSF policy, the terminal parses it, obtains the migration conditions of the services included in the service, and monitors the services running by the terminal to determine whether the related service flows of one or more services in the running service meet the migration conditions. If it is, move it. In implementation, the migration conditions may include multiple types, for example, the number of data packets that the current service has sent, the number of data packets that the current service has received, the number of networks that the current service can connect to, and the like, preferably, including the connection of the current service. Number threshold and/or behavior type. The current service connection threshold and/or behavior type is used as an example. In this example, the current service meets the migration conditions, including at least one of the following: The number of connections of the current service reaches the connection threshold; the current service type conforms to the behavior. Types of. When implemented, the behavior type can include any combination of one or more of the following: peer-to-peer (P2P) downloads, location services, device-to-device communication, and online banking access. When the current service meets the migration condition, the terminal migrates the current service-related service flow to other network-side devices, and at least includes the following two operation modes: First, the terminal migrates the current service-related service flow to the group connected before the current service. The data network (PDN) is different from the other PDN, where the network side equipment of the current service access is different in the two different PDNs; the second type, the terminal adopts the data network gateway (PGW) with the previous current service access packet. Another access technology with different access technologies connects the current service-related service flows to the PGW. The network-side devices used as the access points by the two access technologies are different. The service processing method provided by the embodiment of the present invention is explained by using a specific embodiment. Embodiment 1 Referring to FIG. 3, in this embodiment, the terminal uses different APNs to access different PGWs (Push mode) through 3GPP, and the specific implementation steps are as follows: Step S302: The service flow is routed to the P-GW1 through the PDN1; Step S304, the terminal The ANDSF sends an access network information request to obtain a network policy; Step S306, the ANDSF sends an access network information response to the terminal, and carries an ANDSF policy based on the connection number threshold and/or the behavior type in the message; Step S308, the ANDSF policy is sent separately from the service flow establishment process, so step S301 may occur after the policy is sent. In step S310, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy. Step S312, The traffic of the ANDSF policy is routed through PDN2 to P-GW2. Embodiment 2 Referring to FIG. 4, in this embodiment, the terminal uses different APNs to access different PGWs through the 3GPP (Pull mode), and the specific implementation steps are as follows: Step S402: The service flow is routed to the P-GW1 through the PDN1; Step S404, ANDSF The terminal sends a Short Message Service (SMS) notification; in step S406, the terminal sends an access network information request to the ANDSF to obtain a network policy; Step S408, the ANDSF sends an access network information response to the terminal, and is based on the connection number valve. The ANDSF policy of the value and/or the behavior type is carried in the message; in step S410, the ANDSF policy is sent separately from the service flow establishing process, so step S402 may occur after the policy is sent; in step S412, the terminal is based on the latest The ANDSF policy migrates the flow that meets the migration requirement; in step S414, the service flow conforming to the ANDSF policy is routed to the P-GW2 through the PDN2. Embodiment 3 Referring to FIG. 5, the terminal uses different APNs to access different PGWs (Push mode) through 3GPP and non-3GPP, and the specific implementation steps are as follows: Step S502: The service flow is routed to the P-GW through the 3GPP access through the PDN1. Step S504: The terminal sends an access network information request to the ANDSF to obtain a network policy. Step S506, the ANDSF sends an access network information response to the terminal, and carries an ANDSF policy based on the connection threshold and/or behavior type. In the message; Step S508, the ANDSF policy is delivered separately from the service flow establishment process, so step S502 may occur after the policy is sent. In step S510, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy. Step S512, The service flow of the ANDSF policy is routed to P-GW2 through PDN2 via non-3GPP access (trusted non-3GPP access or non-trusted non-3GPP access and ePDG). Embodiment 4 Referring to FIG. 6, in this embodiment, the terminal uses different APNs to access different PGWs (Pull mode) through 3GPP and non-3GPP, and the specific implementation steps are as follows: Step S602: The service flow is routed to the P-GW1 through the 3GPP access through the PDN1. Step S604, the ANDSF sends an SMS notification to the terminal; Step S606, the terminal sends an access network information request to the ANDSF to obtain a network policy; Step S608, the ANDSF sends an access network information response to the terminal, and based on the connection threshold and And the ANDSF policy of the behavior type is carried in the message; Step S610, the ANDSF policy is sent separately from the service flow establishment process, so step S602 may occur after the policy is sent; Step S612, the terminal is based on the latest ANDSF policy. The flow that meets the migration requirement is migrated; in step S614, the service flow conforming to the ANDSF policy is routed to the P-GW 2 through the non-3GPP access (the trusted non-3GPP access or the non-trusted non-3GPP access and the ePDG) through the PDN2. Embodiment 5 Referring to FIG. 7, in this embodiment, a terminal uses different APNs to access different PGWs through 3GPP and non-3GPP.

(Push mode), the specific implementation steps are as follows: Step S702, the service flow is routed to the P-GW 1 through the non-3GPP access (the trusted non-3GPP access or the non-trusted non-3GPP access and the ePDG) through the PDN1; Step S704 The terminal sends an access network information request to the ANDSF to obtain a network policy. In step S706, the ANDSF sends an access network information response to the terminal, and the ANDSF policy based on the connection threshold and/or the behavior type is carried in the message. Step S708, since the ANDSF policy is sent and the service flow establishment process is independent of each other, Therefore, the step S702 may occur after the policy is sent. In step S710, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy. Step S712: The service flow conforming to the ANDSF policy is routed to the P-GW2 through the 3GPP access through the PDN2. on. Embodiment 6 Referring to FIG. 8, in this embodiment, the terminal uses different APNs to access different PGWs (Pull mode) through 3GPP and non-3GPP, and the specific implementation steps are as follows: Step S802: The service flow passes through the non-3GPP access through the PDN1 (the non-trusted 3GPP access or non-trusted non-3GPP access and ePDG) are routed to the P-GW1; Step S804, the ANDSF sends an SMS notification to the terminal; Step S806, the terminal sends an access network information request to the ANDSF to obtain the network policy; Step S808 And the ANDSF sends the access network information response to the terminal, and the ANDSF policy based on the connection threshold and/or the behavior type is carried in the message; Step S810, since the ANDSF policy is sent and the service flow establishment process is independent, the steps are S802 may occur after the policy is sent. Step S812, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy. Step S814, the service flow conforming to the ANDSF policy is routed to the P-GW2 through the 3GPP access through the PDN2. Embodiment 7 Referring to FIG. 9, in this embodiment, the terminal uses the different APNs to access the same P-GW (Push mode) through 3GPP, and the specific implementation steps are as follows: Step S902: The service flow uses APN1 to route through PDN1 through 3GPP access to P- GW; Step S904, the terminal sends an access network information request to the ANDSF to obtain a network policy. Step S906, the ANDSF sends an access network information response to the terminal, and carries an ANDSF policy based on the connection threshold and/or the behavior type in the message. Step S908, the ANDSF policy is sent separately from the service flow establishment process, so step S902 may occur after the policy is sent; in step S910, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy; Step S912, The service flow conforming to the ANDSF policy is routed to the P-GW through the 3GPP access through PDN2 using APN2. Embodiment 8 Referring to FIG. 10, in this embodiment, the terminal uses the different APNs to access the same P-GW (Pull mode) through 3GPP, and the specific implementation steps are as follows: Step S1002: The service flow uses APN1 to route through PDN1 through 3GPP access to P- GW; Step S1004, the ANDSF sends an SMS notification to the terminal; Step S1006, the terminal sends an access network information request to the ANDSF to obtain a network policy; Step S1008, the ANDSF sends an access network information response to the terminal, and based on the connection threshold And the ANDSF policy of the behavior type is carried in the message; in step S1010, the ANDSF policy is sent separately from the service flow establishment process, so step S1002 may occur after the policy is sent; in step S1012, the terminal is based on the latest ANDSF. The policy migrates the flow that meets the migration requirement. In step S1014, the service flow conforming to the ANDSF policy is routed to the P-GW through the 3GPP access through the PDN2 using the APN2. Embodiment 9 Referring to FIG. 11, in this embodiment, the terminal accesses the same P-GW (Push mode) through 3GPP and non-3GPP, and the specific implementation steps are as follows: Step S1102: The service flow is routed to the P-GW through the 3GPP access through the PDN1. ; Step S1104: The terminal sends an access network information request to the ANDSF to obtain a network policy. Step S1106: The ANDSF sends an access network information response to the terminal, and carries an ANDSF policy based on the connection threshold and/or behavior type in the message. Step S1108, since the ANDSF policy is sent separately from the service flow establishment process, step S1102 may occur after the policy is sent; in step S1110, the terminal migrates the flow that meets the migration requirement according to the latest ANDSF policy; Step S1112, The service flow conforming to the ANDSF policy is routed to the P-GW through PDN1 via non-3GPP access (trusted non-3GPP access or non-trusted non-3GPP access and ePDG), thereby using the same IP address to ensure service continuity. . Embodiment 10 Referring to FIG. 12, in this embodiment, the terminal accesses the same P-GW (Pull mode) through 3GPP and non-3GPP, and the specific implementation steps are as follows: Step S1202: The service flow is routed to the P-GW through the 3GPP access through the PDN1. Step S1204: The ANDSF sends an SMS notification to the terminal. Step S1206: The terminal sends an access network information request to the ANDSF to obtain a network policy. Step S1208: The ANDSF sends an access network information response to the terminal, and based on the connection threshold and/or Or the behavior type of the ANDSF policy is carried in the message; in step S1210, the ANDSF policy is sent separately from the service flow establishment process, so step S1202 may occur after the policy is sent; in step S1212, the terminal according to the latest ANDSF policy The flow that meets the migration requirement is migrated; in step S1214, the service flow conforming to the ANDSF policy is routed to the P-GW through the non-3GPP access (the trusted non-3GPP access or the non-trusted non-3GPP access and the ePDG) through the PDN1, thereby Use the same IP address to ensure business continuity. In addition, in the method in which the terminal accesses the same P-GW through the 3GPP and the non-3GPP, the scenario processing of the service flow migrating from the non-3GPP access to the 3GPP is similar to the foregoing Embodiment 9 and Embodiment 10, and is not repeated here. . Based on the same inventive concept, an embodiment of the present invention further provides a service processing apparatus, which is disposed in a terminal, and has a schematic structural diagram as shown in FIG. 13, and includes: a receiving module 1301, configured to receive an access network discovery sent by a network side. The function (ANDSF) policy, wherein the ANDSF policy includes a migration condition of the service; the sensing module 1302 is connected to the receiving module 1301, and is configured to sense that the current service meets the migration condition; the migration module 1303 is connected to the sensing module 1303, and is set to Migrate current business-related business flows to other network-side devices. In an embodiment, the receiving module 1301 may be further configured to receive an ANDSF policy sent by the network side by using Push or Pull. In an embodiment, the sensing module 1302 may be configured to sense that the number of connections of the current service reaches a connection threshold included in the migration condition; or that the type of the current service conforms to the behavior type included in the migration condition. In an embodiment, the migration module 1303 may be further configured to migrate the current service-related service flow to another PDN different from the packet data network (PDN) connected before the current service, where the two different PDNs are currently The network side device of the service access is different; or another service technology different from the access technology used by the current service access packet data network gateway PGW is used to connect the current service related service flow to the PGW, where two The network side devices used as access points by the access technology are different. From the above description, it can be seen that the present invention achieves the following technical effects: In the embodiment of the present invention, the terminal receives an access network discovery and selection function ANDSF policy sent by the network side, where the ANDSF policy includes a service migration condition. The terminal perceives that the current service meets the migration condition, and then migrates the current service-related service flow to other network-side devices. That is, in the embodiment of the present invention, the terminal can classify the service flow, and if the current service meets the migration condition set by the network side, the related service flow is migrated to other network side devices, thereby achieving classification processing of the service data. The purpose is, for example, to migrate current services from a 3GPP system to a non-3GPP system. Obviously, those skilled in the art should understand that the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. Perform the steps shown or described, or separate them into individual integrated circuit modules, or Multiple of these modules or steps are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

Claim

1. A business processing method, comprising:

The terminal receives an access network discovery and selection function ANDSF policy sent by the network side, where the ANDSF policy includes a migration condition of the service;

The terminal perceives that the current service meets the migration condition;

The terminal migrates the current service related service flow to other network side devices.

The method according to claim 1, wherein the receiving, by the terminal, the ANDSF policy sent by the network side comprises: receiving, by the terminal, an ANDSF policy sent by the network side by using Push or Pull.

3. The method according to claim 1, wherein the migration condition comprises: a connection number threshold and/or a behavior type.

The method according to claim 3, wherein the current service satisfies the migration condition, and includes at least one of the following:

The number of connections of the current service reaches the threshold of the number of connections;

The type of the current service conforms to the behavior type.

The method according to claim 3 or 4, wherein the behavior type comprises a combination of any one or more of the following: peer-to-peer P2P download, location service, device-to-device communication, and online banking access.

The method according to claim 5, wherein the migrating the current service-related service flow to the other network-side device by the terminal includes:

The terminal migrates the current service-related service flow to another PDN different from the packet data network PDN connected to the current service, where the network side of the current service access in the two different PDNs is Different equipment; or

The terminal connects the current service-related service flow to the PGW by using another access technology different from the access technology used by the current service access packet data network gateway PGW, where two types are used. The network side devices used as access points by the access technology are different. The service processing device is disposed in the terminal, and includes: The receiving module is configured to receive an access network discovery and selection function A DSF policy sent by the network side, where the ANDSF policy includes a migration condition of the service, and the sensing module is configured to: the current service meets the migration condition;

The migration module is configured to migrate the current service-related service flow to other network-side devices. The apparatus according to claim 7, wherein the receiving module is further configured to receive an ANDSF policy sent by the network side by Push or Pull. The device according to claim 7, wherein the sensing module is further configured to: sense that the number of connections of the current service reaches a connection threshold that is included in the migration condition; or that the type of the current service meets the migration condition The type of behavior included. The apparatus according to any one of claims 7-9, wherein the migration module is further configured to migrate the current service related service flow to another one different from a packet data network PDN connected before the current service On the PDN, where the network side devices of the current service access are different in the two different PDNs; or another access mode different from the access technology used by the current service access packet data network gateway PGW The technology connects the current service-related service flow to the PGW, where the network side devices used as the access point are different by the two access technologies.