WO2011006447A1 - 分组业务数据的传输方法、装置和系统 - Google Patents

分组业务数据的传输方法、装置和系统 Download PDF

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Publication number
WO2011006447A1
WO2011006447A1 PCT/CN2010/075214 CN2010075214W WO2011006447A1 WO 2011006447 A1 WO2011006447 A1 WO 2011006447A1 CN 2010075214 W CN2010075214 W CN 2010075214W WO 2011006447 A1 WO2011006447 A1 WO 2011006447A1
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WIPO (PCT)
Prior art keywords
user equipment
service
packet
service data
data
Prior art date
Application number
PCT/CN2010/075214
Other languages
English (en)
French (fr)
Inventor
王淑娟
赵永祥
李明
杨敏昌
雍文远
秦圣奕
邵禹
顾威
王广伟
赵小颖
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP10799445.1A priority Critical patent/EP2437454B1/en
Publication of WO2011006447A1 publication Critical patent/WO2011006447A1/zh
Priority to US13/339,199 priority patent/US9220120B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/12Setup of transport tunnels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0016Hand-off preparation specially adapted for end-to-end data sessions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • H04W8/082Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, device and system for transmitting packet service data.
  • a user equipment (User Equipment, UE) accesses a base station (NodeB) in a packet switching (PS) network of a Wide Code Division Multiplex Access (WCDMA) system
  • NodeB packet switching
  • WCDMA Wide Code Division Multiplex Access
  • the packet service data is aggregated by the RNC, and then the RNC passes the packet service data through a GPRS Tunneling Protocol-User plane GPRS (GTPU) mode.
  • GTPU GPRS Tunneling Protocol-User plane GPRS
  • the packet service server in the PDN provides services for the UE.
  • the packet service data has a long transmission path, and there are many network devices that pass through, and the network bandwidth occupied by the packet service data is large. At the time, such as Internet service data, the operation and maintenance costs of the packet network may be high.
  • the embodiments of the present invention provide a method, an apparatus, and a system for transmitting packet service data, which solve the problem of policy control when performing service offload on the network, and can save the operation and maintenance cost of the packet network.
  • Embodiments of the present invention use the following technical solutions:
  • a method and apparatus for transmitting packet service data including:
  • a service distribution device including:
  • a receiving module configured to receive packet service data sent by the user equipment
  • a determining module configured to determine, according to the service offloading policy of the user equipment, packet service data to be unloaded in the packet service data received by the receiving module, where the service offloading policy is generated according to user information or signaling information of a service split point ;
  • a sending module configured to transmit, to the packet data network PDN, the packet service data to be unloaded determined by the first determining module.
  • a method for transmitting packet service data including:
  • a policy and charging rule function PCRF entity including:
  • An obtaining module configured to obtain identification information of the user equipment; a sending module, configured to send, according to the identifier information of the user equipment acquired by the acquiring module, a service offloading policy corresponding to the user equipment, so that the receiving party transmits the grouping of the user equipment according to the service offloading policy of the user equipment Business data.
  • the communication system provided by the embodiment of the present invention includes:
  • a service offloading device configured to receive packet service data sent by the user equipment, and determine, according to a pre-acquired service offloading policy of the user equipment, packet service data to be unloaded in the packet service data, where the service offload policy is based on a user
  • the signaling information of the information or the traffic distribution point is generated, and the determined packet service data to be unloaded is transmitted to the packet data network PDN;
  • the policy and charging rule function PCRF entity is configured to acquire the identification information of the user equipment, and according to the And the service offloading policy corresponding to the user equipment is sent to the service offloading device, so that the service offloading device transmits the packet service data of the user equipment according to the service offloading policy of the user equipment.
  • the method, device, and system for transmitting packet service data determine, according to a service offloading policy corresponding to the user equipment, packet service data to be unloaded in the packet service data, and the packet service data to be offloaded is passed through the metropolitan area network. And the IP backbone network is transmitted to the packet data network, thereby achieving the purpose of saving the operation and maintenance cost of the packet network, and overcoming all the packet service data sent by the user equipment in the prior art needs to pass through the mobile transmission network, the RNC, the SGSN, and the IP backbone.
  • the network and the GGSN transmit, causing the transmission of packet service data (such as Internet service data) with a large bandwidth, the operation and maintenance cost of the packet network is high.
  • FIG. 1 is a schematic diagram of a PS network architecture of a WCDMA system in the prior art
  • FIG. 2 is a flowchart of a method for transmitting packet service data according to an embodiment of the present invention
  • FIG. 3 is another transmission of packet service data according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a transmission network for packet service data according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a method for transmitting packet service data according to another embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a service offloading device according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of a determining module in the embodiment shown in FIG. 7
  • 8 is a schematic structural diagram of a second determining unit in the embodiment shown in FIG. 10
  • FIG. 10 is a schematic structural diagram of a PCRF entity according to an embodiment of the present invention
  • FIG. 11 is another schematic structural diagram of a PCRF entity in the embodiment shown in FIG. Another structural schematic diagram of the PCRF entity in the embodiment shown in FIG. 10;
  • FIG. 13 is a schematic structural diagram of a communication system according to an embodiment of the present invention. detailed description
  • an embodiment of the present invention provides a method for transmitting packet service data, including: Step 201: Receive packet service data sent by a user equipment; Step 202: Determine, according to a service offload policy of the user equipment, Decoding packet service data to be unloaded in the packet service data, where the service offload policy is based on user information or service distribution point Signaling information generation;
  • the user information is public information including subscription information and private information including whether it is a monitoring or roaming user;
  • the signaling information is signaling used to establish a transmission bearer, which may be a bandwidth and a destination of the bearer. Address or access method, etc.
  • Step 203 Transmit the determined packet service data to be unloaded to the packet data network PDN.
  • the method for transmitting the packet service data provided by the embodiment of the present invention can determine the packet service data to be unloaded in the packet service data according to the service offload policy corresponding to the user equipment, and pass the service data to be offloaded through the metropolitan area network and the IP backbone.
  • the network is transmitted to the packet data network, thereby achieving the purpose of saving the operation and maintenance cost of the packet network, and overcoming the packet service data of the user equipment in the prior art is transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network and the GGSN,
  • all packet service data sent by the user equipment needs to be transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, so that when the packet service data (such as Internet service data) occupying a large bandwidth is transmitted,
  • the problem of high operating and maintenance costs of packet networks is transmitted to the packet data network, thereby achieving the purpose of saving the operation and maintenance cost of the packet network, and overcoming the packet service data of the user equipment in the prior art is transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network and the GGSN.
  • an embodiment of the present invention further provides a method for transmitting packet service data, including:
  • Step 301 Obtain identification information of the user equipment.
  • Step 302 Send a service offloading policy corresponding to the user equipment according to the identifier information of the user equipment, so that the receiver transmits the packet service data of the user equipment according to the service offloading policy of the user equipment.
  • the method for transmitting the packet service data according to the embodiment of the present invention can send a corresponding service offloading policy to the user equipment according to the identifier information of the user equipment, so that the receiver passes part of the service data according to the service offloading policy of the user equipment.
  • the metropolitan area network and the IP backbone network are transmitted to the packet data network, thereby achieving the purpose of saving packet network operation and maintenance costs, and overcoming the prior art. All packet service data sent by the user equipment needs to be transmitted through the mobile transmission network, RNC, SGSN, IP backbone network and GGSN, resulting in the operation and maintenance of the packet network when transmitting packet service data (such as Internet service data) with large bandwidth. The problem of higher costs.
  • a method for transmitting packet service data according to another embodiment of the present invention can be applied to a network architecture as shown in FIG.
  • the UE is located in the coverage of the macro cell, and the service offloading device can transmit the packet service data sent by the UE to the PDN through two paths: the path is transmitted through the metropolitan area network and the IP backbone network, Description, the packet service data transmitted through the path is referred to as offload data; the other path is transmitted through the mobile transport network, the RNC, the SGSN, the IP backbone network, and the GGSN, and the packet service data transmitted through the path is convenient for description. It is called unloaded data.
  • the specific process is shown in Figure 5:
  • Step 501 When the UE accesses the network, the UE initiates an RRC connection and a PDP activation process with the GGSN.
  • Step 502 The service offloading device requests, according to the identifier information of the UE, the service offloading policy of the UE to the policy and charging rule function PCRF entity.
  • the identifier information of the UE is an IMSI (International Mobile Subscriber Identity), a P-TMSI (Packet Temperate Mobile Subscriber Identity), or an IP address of the UE.
  • IMSI International Mobile Subscriber Identity
  • P-TMSI Packet Temperate Mobile Subscriber Identity
  • Step 503 The PCRF entity sends a service offloading policy corresponding to the UE according to the identifier information of the UE in the request message.
  • the service offloading policy corresponding to the UE includes a signaling offloading policy and User uninstallation strategy.
  • the signaling offloading policy is specifically a signaling plane policy
  • the user offloading policy is also referred to as a user plane offloading policy.
  • the signaling plane offloading policy is pre-configured by the PCRF entity to the service offloading device, and is applicable to all users.
  • the user plane offloading policy is determined according to different user information.
  • the PCRF entity needs to establish an association relationship between the UE and the service offloading policy when the PCRF entity configures a service offloading policy for each data service initiated by each UE.
  • the signaling plane policy is configured according to a destination address of the packet service data and an access method of the user equipment.
  • the service offloading device When the UE attaches to the PS, the service offloading device performs signaling acquisition to acquire the IMSI information of the UE.
  • the service offloading device obtains the P-TMSI information of the UE from the PDP context of the UE. After obtaining the above two pieces of information, the RNC sends the association relationship between the IMSI and the P-TMSI of the UE to the PCRF entity.
  • the service offloading device needs to separately capture the access layer signaling and the non-access stratum signaling, and maintain the association relationship between the two (such as maintaining the association between the IMSI and the P-TMSI). relationship). In practical applications, there is a problem of high maintenance costs.
  • the identifier information of the UE is the IP address of the UE.
  • the specific process is as follows: After the PDP is activated, the GGSN sends the association between the IMSI and the UE IPAddr of the UE to the PCRF entity through the standard Gx interface.
  • the service offloading device does not need to terminate the RANAP signaling, but uses the network element and interface information in the existing network to reduce the maintenance cost of the UE identification information.
  • the PCRF entity configures a corresponding service offloading policy for the UE.
  • the signaling plane offload strategy is introduced:
  • the service offloading policy of the UE Determining, according to the location information of the UE, the service offloading policy of the UE; for example, when the location of the user equipment is continuously moving, such as when taking a subway or a train, the packet service data of the user equipment may not be uninstalled; or
  • the service offloading policy of the UE is determined according to the service type of the packet service data and the access method of the user equipment; for example, more than one IP address of the Internet service (such as the IP address of Sina and Sohu) can be configured.
  • Information indicating that the service type is Internet service such as URL information, etc.
  • configuring more than one IP address such as WAP service, enterprise VPN network
  • WAP service, enterprise VPN network whose destination address is non-Internet service and information indicating that the service type is non-Internet service
  • more than one destination address is an IP address of the Internet service and information indicating that the service type is an Internet service
  • one or more destination addresses are non-Internet service IP addresses and information indicating that the service type is a non-Internet service
  • the signaling plane offloading strategy can also be combined in a specific implementation.
  • the quintuple information is a source address, a source port, a destination address, a destination port, and a transport protocol.
  • the quintuple information is a source address, a source port, a destination address, a destination port, and a transport protocol.
  • One or more pieces of information in the quintuple can be selected as a configuration standard, such as data offloading with a destination port of 80.
  • User plane offload policies can also be combined in a specific implementation.
  • the user may
  • the service offloading strategy is selected through the operator's portal, for example, the tariff standard corresponding to the service of the operator providing different levels of quality of service Qos parameters, such as the emule service.
  • the background system (Boss system, MDSP (Mobile Data Management Platform)) synchronizes the relevant policy information of the user's selected service offload to the PCRF entity.
  • Step 504 The service offloading device receives the packet service data sent by the UE.
  • Step 505 The service offloading device determines, according to the service offloading policy corresponding to the UE, the offload data in the packet data.
  • the service offloading device acquires the PDP context of the UE, and performs offloading the packet service data of the UE according to the signaling plane offloading policy and the PDP context. For example, if the UE belongs to the mobile network and is receiving the service of the mobile network, the QoS priority required by the service is low, then the packet service data of the UE is allowed to be offloaded; if the location movement range of the UE is small For example, in the shopping mall, the packet service data of the UE is allowed to be offloaded; if the packet data of the UE includes Internet information, the packet service data of the UE is allowed to be offloaded.
  • the packet service data stream is identified based on the SPI/DPI, and the quintuple information of the packet service data is obtained.
  • the service offloading device parses the packet service data of the UE, determines that the transport protocol is the HTTP protocol from the packet service data of the L3/L4, and obtains the URL information of the service from the packet service data of the L7.
  • the service offloading device may first uninstall the packet service data of the multiple UEs according to the static policy, and then uninstall the partial UE according to the dynamic policy. The subsequent packet service data is unloaded.
  • the ACL Match function module can be built in the service distribution device. The service that cannot satisfy ACL Match is uninstalled to the metropolitan area network.
  • the packet service data with the destination IP address of 2.2.2.2 is not unloaded, and is transmitted to the PDN according to the path of the original UMTS network;
  • the network is transmitted to the PDN.
  • the specific implementation is shown in the following table:
  • Step 506 If it is determined that the packet service data is offload data, the service offloading device transmits the offload data to the packet data network PDN through the metropolitan area network and the IP backbone network;
  • the service offloading device routes the offloaded data to a value-added service VAS entity or a lawful interception gateway LIG, so that the VAS entity pair
  • VAS entity a value-added service
  • LIG lawful interception gateway
  • Step 507 If it is determined that the packet service data is un-unloaded data (such as enterprise internal Internet service data or value-added service data, etc.), the service offloading device passes the un-unloaded data through the mobile transmission network, the RNC, the SGSN, and the IP backbone. The network and the GGSN are transmitted to the PDN;
  • un-unloaded data such as enterprise internal Internet service data or value-added service data, etc.
  • the technical solution provided by the embodiment of the present invention may be used to transmit the Internet service data through the metropolitan area network and the IP backbone network. Therefore, in order to enable the charging of the Internet service data, the step 506 may further include:
  • Step 508 The service offloading device passes the traffic statistics information of the offload data to the RNC.
  • the packet is sent to the charging network element, and the charging network element charges the Internet service data.
  • the embodiment of the present invention is described by the service offloading device between the NodeB and the RNC, but is not limited thereto.
  • the service offloading device may also be located between the RNC and the SSGN, between the SGSN and the GGSN, or after the GGSN, and may also function as a function.
  • the module is integrated on one of the NodeB, RNC, SSGN and GGSN devices.
  • the service offloading device when the service offloading device is in the location provided by the foregoing, the path that the service device transmits the offload data to the PDN changes, for example, when the service offloading device is located between the RNC and the SSGN, The service offloading device transmits the offload data to the PDN through the IPBB network.
  • the packet service data of the UE is uninstalled in the UMTS network as an example, but the method is not limited thereto, and the method is also applicable to the LTE/SAE network.
  • the network device in which the offload function is implemented in the solution may be a converged gateway of the LTE/SAE.
  • the method for transmitting packet data determines the packet service data to be unloaded in the packet service data according to the service offload policy corresponding to the user equipment, and passes the service data to be offloaded through the metropolitan area network and the IP backbone network.
  • the packet service data of the user equipment in the technology is transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, and overcomes all the packet service data sent by the user equipment in the prior art, and needs to pass through the mobile transmission network, the RNC, and the SGSN.
  • the operation and maintenance cost of the packet network is high; by passing part of the packet service data of the user equipment through the metropolitan area network And IP backbone network transmission to the packet data network, reducing the mobile transmission network Network, RNC, SGSN, IP backbone network and GGSN transmission pressure, thus achieving the goal of saving network maintenance costs;
  • RNC mobile transmission network Network
  • SGSN mobile transmission network Network
  • IP backbone network and GGSN transmission pressure
  • another embodiment of the present invention further provides a method for transmitting packet service data.
  • this embodiment can not only uninstall the packet service data of the UE in the macro cell.
  • the UE is also applicable to the UE in the micro-cell.
  • the service offloading device and the RNC can be connected to the RNC through the standard Iu interface.
  • the method for transmitting packet data determines the packet service data to be unloaded in the packet service data according to the service offload policy corresponding to the user equipment, and passes the service data to be offloaded through the metropolitan area network and the IP backbone network.
  • the packet service data of the user equipment in the technology is transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, and overcomes all the packet service data sent by the user equipment in the prior art, and needs to pass through the mobile transmission network, the RNC, the SGSN, When the IP backbone network and the GGSN transmit, causing the packet service data (such as Internet service data) occupying a large bandwidth to be transmitted, the operation and maintenance cost of the packet network is relatively high; and part of the packet service data of the user equipment is passed through the metropolitan area network.
  • the packet service data such as Internet service data
  • IP backbone network transmission to packet data network reducing mobile transmission
  • the transmission pressure of the network, the RNC, the SGSN, the IP backbone network, and the GGSN can save the network maintenance cost.
  • the user can meet the personalized needs of the transmission rate of different users, and improve the network.
  • the data is unloaded, which further reduces the transmission pressure of the mobile transmission network, RNC, SGSN, IP backbone network and GGSN, reduces the maintenance cost of the network, and improves the transmission rate of packet service data within the coverage of the microcell.
  • the embodiment of the present invention further provides a service offloading device, including: a receiving module 701, configured to receive packet service data sent by a user equipment;
  • a determining module 702 configured to determine, according to the service offloading policy of the user equipment, packet service data to be unloaded in the packet service data received by the receiving module, where the service offloading policy is based on user information or signaling information of a service split point Generate
  • the sending module 702 is configured to transmit the packet service data to be unloaded determined by the determining module to the packet data network PDN.
  • the determining module 702 may further include: a first determining unit 7021, configured to acquire a grouping of the user equipment when the service offloading policy of the user equipment is a signaling offloading policy a data protocol context; determining the packet service data to be offloaded according to the user offload policy and the acquired packet data protocol context; or the second determining unit 7022, configured to uninstall the service on the user equipment
  • the deep packet detection technology is used to obtain the content information of the packet service data, and the packet service data to be uninstalled is determined according to the service offload policy of the user equipment and the obtained content information.
  • the second determining unit may further include: an obtaining subunit 7021, configured to acquire quintuple information of the packet service data, where the quintuple information includes a source address and a target Address, source port, destination port, and transport protocol;
  • the determining subunit 7022 is configured to determine, according to the pre-acquired service offloading policy and the quintuple information obtained by the acquiring unit, the packet service data to be unloaded. Further, the first sending module 703 further includes:
  • a rerouting unit configured to route the to-be-offloaded packet service data to a value-added service VAS entity or a lawful interception gateway LIG, so that the VAS entity or the LIG monitors the offloaded packet service data.
  • the service offloading device in the embodiment of the present invention is a Node B, an RNC, an SSGN, or a GGSN.
  • the service offloading device provided by the embodiment of the present invention may be used in combination with the method provided by the embodiment of the present invention to determine packet service data to be unloaded in the packet service data according to the service offload policy corresponding to the user equipment, and to perform the packet service to be offloaded.
  • the data is transmitted to the packet data network through the metropolitan area network and the IP backbone network, thereby achieving the purpose of saving the operation and maintenance cost of the packet network, thereby shortening the transmission delay of the packet service data to be unloaded, and improving the to-be-disconnected packet.
  • the transmission rate of the service data overcomes the fact that all packet service data sent by the user equipment in the prior art needs to be transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, resulting in packet service data with a large bandwidth occupied by the transmission (eg, When the Internet service data), the operation and maintenance cost of the packet network is relatively high; by transmitting part of the packet service data of the user equipment to the packet data network through the metropolitan area network and the IP backbone network, the mobile transmission network, the RNC, the SGSN, and the IP backbone network and GGSN transmission pressure, thus achieving savings network
  • the purpose of maintaining the cost by receiving the configuration of the service offloading policy of the UE, it can meet the personalized needs of different users for the transmission rate, and improve the quality of service of the network; and determine whether to uninstall the packet according to the quintuple information of the packet service data.
  • a policy and charging rule function PCRF entity provided by an embodiment of the present invention includes:
  • the obtaining module 1001 is configured to obtain identifier information of the user equipment.
  • the sending module 1002 is configured to send, according to the identifier information of the user equipment acquired by the acquiring module, a service offloading policy corresponding to the user equipment, so that the receiver transmits the user equipment according to the service offloading policy of the user equipment. Group business data.
  • the PCRF entity may further include: a receiving module 1003, configured to send, by using an interface between the policy and charging rule function PCRF entity and the bearer network, the receiving gateway GPRS support node. a message carrying the user equipment International Mobile Subscriber Identity (IMSI) and the IP address of the user equipment;
  • IMSI International Mobile Subscriber Identity
  • the establishing module 1004 is configured to establish an association between the IMSI and the IP address of the user equipment in the message.
  • the PCRF entity may further include: a configuration module 1005, configured to configure a service offloading policy of the user equipment according to network home information of the user equipment; or, according to the user equipment The location information, the service offloading policy of the user equipment is configured; or the service offloading policy of the user equipment is configured according to the service type of the packet service data and the access method of the user equipment; or, according to the service type of the user equipment And configuring a service offloading policy of the user equipment; or, according to the quintuple information of the packet service data, the quintuple information includes a source address, a target address, a source port, a destination port, and a transport protocol, and configuring the user equipment Business offload strategy.
  • a configuration module 1005 configured to configure a service offloading policy of the user equipment according to network home information of the user equipment; or, according to the user equipment The location information, the service offloading policy of the user equipment is configured; or the service offloading policy of the user equipment is configured according to the
  • the PCRF entity provided by the embodiment of the present invention can be used in combination with the method provided by the embodiment of the present invention, thereby achieving the purpose of saving packet network operation and maintenance cost, thereby shortening the transmission delay of the packet service data to be unloaded, and improving The transmission rate of the packet data to be unloaded, Overcoming all the packet service data sent by the user equipment in the prior art needs to be transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, causing the packet service data (such as Internet service data) with a large bandwidth to be transmitted.
  • the packet service data such as Internet service data
  • the problem of high operation and maintenance cost of the packet network determining the service offloading policy of the user equipment according to the subscription information of the user equipment, and increasing the transmission rate of the packet service data without increasing the network load;
  • the destination address and the access method of the user equipment determine the service offloading policy of the user equipment, which can reduce the transmission pressure of the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN.
  • the embodiment of the present invention further provides a communication system, including: a service offloading device 1301, configured to receive packet service data sent by a user equipment, and determine, according to a service offloading policy of the user equipment, The packet service data to be unloaded in the packet service data, the service offload policy is generated according to the user information or the signaling information of the service distribution point, and the determined packet service data to be offloaded is transmitted to the packet data network PDN;
  • a service offloading device 1301 configured to receive packet service data sent by a user equipment, and determine, according to a service offloading policy of the user equipment, The packet service data to be unloaded in the packet service data, the service offload policy is generated according to the user information or the signaling information of the service distribution point, and the determined packet service data to be offloaded is transmitted to the packet data network PDN;
  • the policy and charging rule function PCRF entity 1302 is configured to obtain the identification information of the user equipment, and send the service offloading policy corresponding to the user equipment to the service offloading device according to the identifier information of the user equipment, so that the receiver And transmitting, according to the service offloading policy of the user equipment, packet service data of the user equipment.
  • the service offloading device may not only uninstall the packet service data of the base station, but also offload the packet service data of the home base station; in the process of uninstalling the packet service data, The service offloading device may also route the packet service data to the value added service VAS entity or the lawful interception gateway LIG, so that the VAS entity or the LIG monitors the offloaded packet service data.
  • the communication system provided by the embodiment of the present invention can be used in combination with the method and the device provided by the present invention to determine the packet to be unloaded in the packet service data according to the service offload policy corresponding to the user equipment.
  • the service data is used to transmit the packet service data to be unloaded to the packet data network through the metropolitan area network and the IP backbone network, thereby achieving the purpose of saving packet network operation and maintenance costs, thereby shortening the transmission of the packet service data to be unloaded.
  • the delay increases the transmission rate of the data of the to-be-disconnected packet, and overcomes that all packet service data sent by the user equipment in the prior art needs to be transmitted through the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN, causing the transmission.
  • the packet service data (such as Internet service data) with a large bandwidth is occupied, the operation and maintenance cost of the packet network is high; and part of the packet service data of the user equipment is transmitted to the packet data network through the metropolitan area network and the IP backbone network.
  • the transmission pressure of the mobile transmission network, the RNC, the SGSN, the IP backbone network, and the GGSN is reduced, thereby achieving the purpose of saving network maintenance costs.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Description

分组业务数据的传输方法、 装置和系统 技术领域
本发明涉及通信领域, 尤其涉及一种分组业务数据的传输方法、 装置和 系统。
背景技术
如图 1所示, 在宽带码分多址(Wide Code Division Multiplex Access, WCDMA ) 系统的分组域 (Packet Switch, PS ) 网络中, 用户设备 (User Equipment, UE )接入基站(NodeB )以后, 所述 NodeB接收 UE发送的分组 业务数据, 并根据所述分组业务数据的流量, 为所述用户设备分配网络带宽, 将所述分组业务数据经过移动传输网络(Mobile backhaul )传输到无线网络控 制器 (Radio Network Controller, RNC) , 由所述 RNC对所述分组业务数据进行 汇聚, 然后所述 RNC将所述分组业务数据通过 GPRS 隧道协议用户面部分 ( GPRS Tunneling Protocol-User plane GPRS, GTPU )方式, 经过服务 GPRS 支持节点( Serving GPRS Support Node, SGSN )、 IP骨干网 (IP backbone )和 网关 GPRS支持节点( Gateway GPRS Support Node, GGSN )传输到公共数据 网 (Public Data Network, PDN ), 由所述 PDN 中的分组业务服务器为所述 UE提供服务。 在实现本发明的过程中, 发明人发现, 在图 1 所示的分组网络中, 分组 业务数据的传输路径较长, 经过的网络设备较多, 当所述分组业务数据占用 的网络带宽较大时, 如因特网业务数据, 所述分组网络的运营和维护成本会 较高。
发明内容
本发明实施例提供一种分组业务数据的传输方法、 装置和系统, 解决网 络上进行业务卸载时的策略控制问题, 能够节省分组网络的运营和维护成本。 本发明的实施例釆用如下技术方案:
一方面, 本发明实施例提供的一种分组业务数据的传输方法、 装置。 一种分组业务数据的传输方法, 包括:
接收用户设备发送的分组业务数据;
根据所述用户设备的业务卸载策略, 确定所述分组业务数据中待卸载的 分组业务数据, 所述业务卸载策略根据用户信息或者业务分流点的信令信息 生成;
将所述确定的待卸载分组业务数据传输到分组数据网 PDN 。
一种业务分流设备, 包括:
接收模块, 用于接收用户设备发送的分组业务数据;
确定模块, 用于根据所述用户设备的业务卸载策略, 确定所述接收模块 接收的分组业务数据中待卸载的分组业务数据, 所述业务卸载策略根据用户 信息或者业务分流点的信令信息生成;
发送模块, 用于将所述第一确定模块确定的待卸载分组业务数据传输到 分组数据网 PDN 。
另一方面, 本发明实施例提供的另一种分组业务数据的传输方法、 装置。 一种分组业务数据的传输方法, 包括:
获取用户设备的标识信息;
根据所述用户设备的标识信息, 发送所述用户设备对应的业务卸载策略, 以使得接收方根据所述用户设备的业务卸载策略, 传输所述用户设备的分组 业务数据。
一种策略与计费规则功能 PCRF实体, 包括:
获取模块, 用于获取用户设备的标识信息; 发送模块, 用于根据所述获取模块获取的用户设备的标识信息, 发送所 述用户设备对应的业务卸载策略, 以使得接收方根据所述用户设备的业务卸 载策略, 传输所述用户设备的分组业务数据。 另外, 本发明实施例提供的通信系统, 包括:
业务分流设备, 用于接收用户设备发送的分组业务数据, 并根据预先获 取的所述用户设备的业务卸载策略, 确定所述分组业务数据中待卸载的分组 业务数据, 所述业务卸载策略根据用户信息或者业务分流点的信令信息生成, 将所述确定的待卸载分组业务数据传输到分组数据网 PDN; 策略与计费规则功能 PCRF 实体, 用于获取用户设备的标识信息, 并根 据所述用户设备的标识信息, 向所述业务分流设备发送所述用户设备对应的 业务卸载策略, 以使得所述业务分流设备根据所述用户设备的业务卸载策略, 传输所述用户设备的分组业务数据。
本发明实施例提供的分组业务数据的传输方法、 装置和系统, 根据用户 设备对应的业务卸载策略, 确定分组业务数据中待卸载的分组业务数据, 将 所述待卸载分组业务数据通过城域网和 IP骨干网传输到分组数据网, 从而达 到了节省分组网络运营和维护成本的目的, 克服了现有技术中用户设备发送 的所有分组业务数据均需要经过移动传输网络、 RNC、 SGSN、 IP 骨干网和 GGSN传输, 造成传输占用带宽较大的分组业务数据(如因特网业务数据) 时, 分组网络的运营和维护成本较高的问题。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面 描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。 图 1为现有技术中 WCDMA系统的 PS网络架构示意图; 图 2为本发明实施例提供的分组业务数据的传输方法流程图; 图 3为本发明实施例提供的另一种分组业务数据的传输方法流程图; 图 4为本发明实施例提供的分组业务数据的传输网络的架构示意图; 图 5为本发明另一实施例提供的分组业务数据的传输方法流程图; 图 6为本发明另一实施例提供的分组业务数据的传输网络的架构示意图; 图 7为本发明实施例提供的业务分流设备的结构示意图; 图 8为图 7所示实施例中确定模块的结构示意图; 图 9为图 8所示实施例中第二确定单元的结构示意图; 图 10为本发明实施例提供的 PCRF实体的结构示意图; 图 11为图 10所示实施例中 PCRF实体的另一结构示意图; 图 12为图 10所示实施例中 PCRF实体的又一结构示意图;
图 13为本发明实施例提供的通信系统的结构示意图。 具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行 清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而 不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作 出创造性劳动前提下所获得的所有其他实施例 , 都属于本发明保护的范围。 下面结合具体实施例和附图对本发明作进一步解释。 如图 2所示, 本发明实施例提供了一种分组业务数据的传输方法, 包括: 步骤 201、 接收用户设备发送的分组业务数据; 步骤 202、根据所述用户设备的业务卸载策略, 确定所述分组业务数据中 待卸载的分组业务数据, 所述业务卸载策略根据用户信息或者业务分流点的 信令信息生成;
其中所述用户信息为包括签约信息在内的公有信息以及包括是否为监听 或漫游用户在内的私有信息; 所述信令信息为用于建立传输承载的信令, 可 以为承载的带宽、 目的地址或接入方法等。
步骤 203、 将所述确定的待卸载分组业务数据传输到分组数据网 PDN 。 本发明实施例提供的分组业务数据的传输方法, 能够根据用户设备对应 的业务卸载策略, 确定分组业务数据中待卸载的分组业务数据, 将所述待卸 载分组业务数据通过城域网和 IP骨干网传输到分组数据网, 从而达到了节省 分组网络运营和维护成本的目的, 克服了现有技术中用户设备的分组业务数 据通过移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 克 ^良了现有 技术中用户设备发送的所有分组业务数据均需要经过移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 造成传输占用带宽较大的分组业务数据(如 因特网业务数据) 时, 分组网络的运营和维护成本较高的问题。
如图 3 所示, 本发明实施例还提供了一种分组业务数据的传输方法, 包 括:
步骤 301、 获取用户设备的标识信息;
步骤 302、根据所述用户设备的标识信息,发送所述用户设备对应的业务 卸载策略, 以使得接收方根据所述用户设备的业务卸载策略, 传输所述用户 设备的分组业务数据。
本发明实施例提供的分组业务数据的传输方法, 能够根据用户设备的标 识信息, 向用户设备发送对应的业务卸载策略, 以使得接收方根据所述用户 设备的业务卸载策略,将部分业务数据通过城域网和 IP骨干网传输到分组数据 网, 从而达到了节省分组网络运营和维护成本的目的, 克服了现有技术中用 户设备发送的所有分组业务数据均需要经过移动传输网络、 RNC、 SGSN、 IP 骨干网和 GGSN传输, 造成传输占用带宽较大的分组业务数据(如因特网业务 数据) 时, 分组网络的运营和维护成本较高的问题。
为了使本领域技术人员能够更清楚地理解本发明实施例提供的技术方 进行详细说明。
本发明另一个实施例提供的分组业务数据的传输方法,可以应用在如图 4 所示的网络架构中。 如图 4所示, UE位于宏蜂窝覆盖范围内, 业务分流设备 可以将 UE发送的分组业务数据通过两条路径传输到 PDN: —条路径是, 通 过城域网和 IP骨干网传输, 为便于描述, 将通过此路径传输的分组业务数据 称为卸载数据; 另一条路径是, 通过移动传输网络、 RNC、 SGSN、 IP骨干网 和 GGSN传输, 为便于描述, 将通过此路径传输的分组业务数据称为未卸载 数据。 其中具体过程如图 5所示:
步骤 501、 当 UE接入网络时, UE发起与 GGSN之间的 RRC连接和 PDP激活 流程;
步骤 502、业务分流设备根据所述 UE的标识信息, 向策略与计费规则功能 PCRF实体请求所述 UE的业务卸载策略;
其中所述 UE的标识信息为 UE的 IMSI(International Mobile Subscriber Identity , 国际移动用户识别码)、 P-TMSI ( Packet Temperate Mobile Subscriber Identity , 分组临时移动用户识别码)或 UE的 IP地址。
步骤 503、 PCRF实体根据所述请求消息中 UE的标识信息, 发送所述 UE对 应的业务卸载策略;
在本发明实施例中, 所述 UE对应的业务卸载策略包括信令卸载策略和用 户卸载策略。 在本发明实施例中, 所述信令卸载策略具体为信令面策略, 所 述用户卸载策略又称为用户面卸载策略。
所述信令面卸载策略是 PCRF实体预先配置给业务分流设备的, 适用于所 有用户。 所述用户面卸载策略是根据不同用户信息来判断的。
其中在所述 PCRF实体为每个 UE发起的每种数据业务配置对应的业务卸 载策略时, 所述 PCRF实体需要建立 UE和业务卸载策略的关联关系。
所述信令面策略为根据分组业务数据的目的地址和用户设备的接入方法 配置的。
下面对建立 UE的标识信息和 IMSI的关联关系作以说明:
UE在 PS附着时, 业务分流设备进行信令捕获获取 UE的 IMSI信息。 当 UE 发起 PDP激活过程中, 业务分流设备从 UE的 PDP上下文中获取 UE的 P-TMSI 信息。在获取到上述两个信息后, RNC发送所述 UE的 IMSI和 P-TMSI的关联关 系给 PCRF实体。 由于在获取 UE的 P-TMSI信息时, 业务分流设备需要分别捕 获接入层信令与非接入层信令,并维护两者之间的关联关系(如需要维护 IMSI 和 P-TMSI的关联关系)。 在实际应用中, 会出现维护成本高的问题。
针对上述问题, 本发明实施例优选 UE的标识信息为 UE的 IP地址, 具体过 程如下 :在 PDP激活后, GGSN通过标准的 Gx接口向 PCRF实体发送 UE的 IMSI 和 UE IPAddr的关联关系。 在建立过程中, 业务分流设备无需终结 RANAP信 令, 而是利用已有网络中的网元和接口信息, 减少了对 UE标识信息的维护成 本。
在建立 UE与业务卸载策略的关联关系后, 所述 PCRF实体为 UE配置对应 的业务卸载策略。 首先对信令面卸载策略进行介绍:
根据 UE的网络归属信息, 确定所述 UE的业务卸载策略; 举例而言, 属于 非本网用户时, 如漫游用户时, 可配置所述用户设备的分组业务数据不卸载; 或,
根据 UE的位置信息, 确定所述 UE的业务卸载策略; 举例而言, 当用户设 备的位置在不断移动, 如乘坐地铁、 火车时, 可配置所述用户设备的分组业 务数据不卸载; 或,
根据分组业务数据的业务类型和用户设备的接入方法, 确定所述 UE的业 务卸载策略;举例而言,可以配置一个以上目的地址为因特网业务的 IP地址(如 新浪、搜狐的 IP地址)和指示业务类型为因特网业务的信息(如 URL信息等); 或者配置一个以上目的地址为非因特网业务的 IP地址(如 WAP业务、企业 VPN 网络)和指示业务类型为非因特网业务的信息(如 URL信息等); 或者一个以 上目的地址为因特网业务的 IP地址和指示业务类型为因特网业务的信息以及 一个以上目的地址为非因特网业务的 IP地址和指示业务类型为非因特网业务 的信息; 当然还可以配置一个以上接入方式为点对点连接的业务或一个以上 非点对点连接方式的业务。
在具体实施中也可以对信令面卸载策略进行组合。
下面对用户面卸载策略的配置进行介绍:
根据 UE的服务类型, 确定所述 UE的服务类型; 如配置漫游用户和监听用 户的分组业务数据不卸载; 或,
才艮据业务的五元组信息, 确定所述 UE的业务卸载; 其中所述五元组信息 为源地址、 源端口、 目的地址、 目的端口和传输协议。 可以选取所述五元组 中一个以上的信息作为配置标准, 如配置目的端口为 80的数据卸载等。 在具 体实施中也可以对用户面卸载策略进行组合。
需要说明的是, 在 PCRF实体确定所述 UE对应的业务卸载策略后, 用户可 以通过运营商的门户网站进行业务卸载策略的选择, 例如运营商提供不同等 级服务质量 Qos参数的业务对应的资费标准, 比如 emule业务等。 用户选择后, 后台系统(Boss系统、 MDSP (移动数据管理平台))会将用户选择业务卸载 的相关策略信息同步到 PCRF实体。
步骤 504、 业务分流设备接收 UE发送的分组业务数据;
步骤 505、业务分流设备根据所述 UE对应的业务卸载策略,确定所述分组 数据中的卸载数据;
在本发明实施例中, 业务分流设备获取 UE的 PDP上下文, 根据所述信令 面卸载策略以及所述 PDP上下文, 对所述 UE的分组业务数据进行卸载。 例如, 如果所述 UE归属移动网络且正在接收移动网络的服务, 该服务需要的服务质 量 Qos优先级低则允许对所述 UE的分组业务数据进行卸载; 如果所述 UE的位 置移动范围较小, 如在商场, 则允许对所述 UE的分组业务数据进行卸载; 如 果所述 UE的分组数据包括因特网信息,则允许对所述 UE的分组业务数据进行 卸载。
在业务分流设备根据信令面卸载策略卸载分组业务数据后, 基于 SPI/DPI 识别分组业务数据流, 获取所述分组业务数据的五元组信息。 例如, 业务分 流设备解析所述 UE的分组业务数据,从 L3/L4的分组业务数据中确定传输协议 为 HTTP协议; 从 L7的分组业务数据获取业务的 URL信息。
根据解析得到的信息以及获得的业务卸载策略, 确定所述分组业务数据 中的卸载数据。 为了加快业务分流设备的卸载速度, 在同时处理多个 UE的分 组业务数据时, 业务分流设备可以首先根据静态策略对所述多个 UE的分组业 务数据进行卸载,再根据动态策略对部分 UE卸载后的分组业务数据进行卸载。 为了进一步加快卸载的速度, 可在业务分流设备内置 ACL Match功能模块,对 于不能满足 ACL Match的业务卸载到城域网。 例如,根据分组业务数据的五元 组信息, 配置目的 IP地址为 2.2.2.2的分组业务数据不卸载, 按照原来 UMTS网 络的路径传输到 PDN; 配置端口为 80的分组业务数据卸载, 通过城域网传输 到 PDN。 具体实现如下表所示:
Figure imgf000012_0001
步骤 506、 如果确定所述分组业务数据为卸载数据, 所述业务分流设备将 所述卸载数据通过城域网和 IP骨干网传输到分组数据网 PDN;
在本发明实施例中,在所述卸载数据传输到城域网和 IP骨干网后,所述业 务分流设备将所述卸载数据路由到增值业务 VAS实体或合法监听网关 LIG, 以 使得 VAS实体对所述卸载数据的内容进行过滤、 LIG对卸载数据进行监听, 从 而实现所述卸载数据的监控。 在所述卸载数据监控完成后, 再将所述卸载数 据发送到 PDN。
步骤 507、如果确定所述分组业务数据为未卸载数据 (如企业内部互联网 业务数据或者增值业务数据等 ), 所述业务分流设备将所述未卸载数据通过移 动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN传输到 PDN;
可选地, 由于本发明实施例提供的技术方案将因特网业务数据通过城域 网和 IP骨干网传输, 所以为了能够对所述因特网业务数据进行计费, 所述步 骤 506之后, 还可以包括:
步骤 508、 业务分流设备将所述卸载数据的流量统计信息通过所述 RNC 发送给计费网元, 由该计费网元对所述因特网业务数据进行计费。 本发明实施例以位于 NodeB与 RNC之间的业务分流设备进行说明, 但 不限于此,所述业务分流设备还可以位于 RNC与 SSGN之间、 SGSN与 GGSN 之间或 GGSN之后, 还可以作为一个功能模块集成在 NodeB、 RNC、 SSGN 和 GGSN中其中一个设备上。 相应的, 当所述业务分流设备处于上述提供的 位置时, 所述业务设备将所述卸载数据传输到 PDN的路径将发生变化, 如当 所述业务分流设备位于 RNC与 SSGN之间时, 所述业务分流设备将所述卸载 数据通过 IPBB网络传输到 PDN。 需要说明的是, 本发明实施例以在 UMTS 网络对 UE的分组业务数据进行卸载为例进行说明,但不限于此, 所述方法同 样适用于 LTE/SAE 网络。 其中方案中实现卸载功能的网络设备可以为 LTE/SAE 的融合网关。 本发明实施例提供的分组业务数据的传输方法, 根据 用户设备对应的业务卸载策略, 确定分组业务数据中待卸载的分组业务数据 , 将所述待卸载分组业务数据通过城域网和 IP骨干网传输到分组数据网, 从而 达到了节省分组网络运营和维护成本的目的, 从而缩短了所述待卸载分组业 务数据的传输时延, 提高了所述待卸分组业务数据的传输速率, 克服了现有 技术中用户设备的分组业务数据通过移动传输网络、 RNC、 SGSN, IP骨干网 和 GGSN传输, 克服了现有技术中用户设备发送的所有分组业务数据均需要 经过移动传输网络、 RNC、 SGSN, IP骨干网和 GGSN传输, 造成传输占用 带宽较大的分组业务数据(如因特网业务数据) 时, 分组网络的运营和维护 成本较高的问题; 通过将用户设备的部分分组业务数据通过城域网和 IP骨干 网传输到分组数据网, 降低移动传输网络、 RNC、 SGSN, IP骨干网和 GGSN 的传输压力,从而达到节约网络维护成本的目的; 通过接收 UE对业务卸载策 略的配置, 能够满足不同用户对传输速率的个性化需要, 提高了网络的服务 质量; 根据分组业务数据的五元组信息, 确定是否卸载所述分组业务数据, 加快了卸载速度, 提高了传输速率, 达到了减小传输延迟的目的; 对卸载数 据进行监控, 保证了网络的安全性, 提升了用户的服务体验。
如图 6所示, 本发明另一实施例还提供了一种分组业务数据的传输方法, 与上述实施例不同的是,本实施例不但能够实现对宏蜂窝中 UE的分组业务数 据进行卸载, 对微蜂窝中的 UE 同样适用, 实现卸载功能的业务分流设备与 RNC可通过标准的 Iu口对接, 与家庭基站通过 elu口对接。
本发明实施例提供的分组业务数据的传输方法, 根据用户设备对应的业 务卸载策略, 确定分组业务数据中待卸载的分组业务数据, 将所述待卸载分 组业务数据通过城域网和 IP骨干网传输到分组数据网, 从而达到了节省分组 网络运营和维护成本的目的, 从而缩短了所述待卸载分组业务数据的传输时 延, 提高了所述待卸分组业务数据的传输速率, 克服了现有技术中用户设备 的分组业务数据通过移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 克服了现有技术中用户设备发送的所有分组业务数据均需要经过移动传输网 络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 造成传输占用带宽较大的分组 业务数据(如因特网业务数据)时, 分组网络的运营和维护成本较高的问题; 通过将用户设备的部分分组业务数据通过城域网和 IP骨干网传输到分组数据 网, 降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN的传输压力, 从 而达到节约网络维护成本的目的; 通过接收 UE对业务卸载策略的配置, 能够 满足不同用户对传输速率的个性化需要, 提高了网络的服务质量; 根据分组 业务数据的五元组信息, 确定是否卸载所述分组业务数据, 加快了卸载速度, 提高了传输速率, 达到了减小传输延迟的目的; 对卸载数据进行监控, 保证 了网络的安全性,提升了用户的服务体验; 通过对微蜂窝覆盖内 UE的分组业 务数据进行卸载,进一步降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN 的传输压力, 降低网络的维护成本, 同时提高了微蜂窝覆盖范围内分组业务 数据的传输速率。
如图 7所示, 本发明实施例还提供了一种业务分流设备, 包括: 接收模块 701 , 用于接收用户设备发送的分组业务数据;
确定模块 702, 用于根据所述用户设备的业务卸载策略, 确定所述接收模 块接收的分组业务数据中待卸载的分组业务数据, 所述业务卸载策略根据用 户信息或者业务分流点的信令信息生成;
发送模块 702,用于将所述确定模块确定的待卸载分组业务数据传输到分 组数据网 PDN 。
进一步的, 如图 8所示, 所述确定模块 702还可以进一步包括: 第一确定单元 7021 , 用于在所述用户设备的业务卸载策略为信令卸载策 略时, 获取所述用户设备的分组数据协议上下文; 根据所述用户卸载策略以 及所述获取的分组数据协议上下文, 确定待卸载的分组业务数据; 或者, 第二确定单元 7022, 用于在所述用户设备的业务卸载策略为用户卸载策 略时, 釆用深度报文检测技术, 获取分组业务数据的内容信息, 并根据所述 用户设备的业务卸载策略以及所述获取的内容信息, 确定待卸载的分组业务 数据。
进一步的, 如图 9所示, 所述第二确定单元还可以进一步包括: 获取子单元 7021 , 用于获取所述分组业务数据的五元组信息, 所述五元 组信息包括源地址、 目标地址、 源端口、 目的端口和传输协议;
确定子单元 7022, 用于根据预先获取的业务卸载策略以及所述获取单元 获得的五元组信息, 确定待卸载的分组业务数据。 进一步的, 所述第一发送模块 703还包括:
重路由单元, 用于将所述待卸载分组业务数据路由到增值业务 VAS实体 或合法监听网关 LIG, 以使得 VAS实体或 LIG对待卸载分组业务数据进行监 控。
本发明实施例中所述业务分流设备为 Node B、 RNC、 SSGN或 GGSN。 本发明实施例提供的业务分流设备, 可以与本发明实施例提供的方法结 合使用, 根据用户设备对应的业务卸载策略, 确定分组业务数据中待卸载的 分组业务数据, 将所述待卸载分组业务数据通过城域网和 IP骨干网传输到分 组数据网, 从而达到了节省分组网络运营和维护成本的目的, 从而缩短了所 述待卸载分组业务数据的传输时延, 提高了所述待卸分组业务数据的传输速 率, 克服了现有技术中用户设备发送的所有分组业务数据均需要经过移动传 输网络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 造成传输占用带宽较大的 分组业务数据(如因特网业务数据) 时, 分组网络的运营和维护成本较高的 问题; 通过将用户设备的部分分组业务数据通过城域网和 IP骨干网传输到分 组数据网, 降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN的传输压 力 ,从而达到节约网络维护成本的目的;通过接收 UE对业务卸载策略的配置 , 能够满足不同用户对传输速率的个性化需要, 提高了网络的服务质量; 根据 分组业务数据的五元组信息, 确定是否卸载所述分组业务数据, 加快了卸载 速度, 提高了传输速率, 达到了减小传输延迟的目的; 对卸载数据进行监控, 保证了网络的安全性,提升了用户的服务体验; 通过对微蜂窝覆盖内 UE的分 组业务数据进行卸载, 进一步降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN 的传输压力, 降低网络的维护成本, 同时提高了微蜂窝覆盖范围内分 组业务数据的传输速率。 如图 10所示,本发明实施例提供的一种策略与计费规则功能 PCRF实体, 包括:
获取模块 1001 , 用于获取用户设备的标识信息;
发送模块 1002, 用于根据所述获取模块获取的用户设备的标识信息, 发 送所述用户设备对应的业务卸载策略, 以使得接收方根据所述用户设备的业 务卸载策略, 传输所述用户设备的分组业务数据。
进一步可选的, 如图 11所示, 所述 PCRF实体还可以进一步包括: 接收模块 1003 , 用于从从策略与计费规则功能 PCRF实体和承载网之间 的接口, 接收网关 GPRS 支持节点发送的携带用户设备国际移动用户识别码 IMSI和用户设备的 IP地址的消息;
建立模块 1004 , 用于建立所述消息中 IMSI和用户设备的 IP地址的关联 关系。
进一步可选的, 如图 12所示, 所述 PCRF实体还可以进一步包括: 配置模块 1005, 用于根据用户设备的网络归属信息, 配置所述用户设备 的业务卸载策略; 或者, 根据用户设备的位置信息, 配置所述用户设备的业 务卸载策略; 或者, 根据分组业务数据的业务类型和用户设备的接入方法, 配置所述用户设备的业务卸载策略; 或者, 根据所述用户设备的服务类型, 配置所述用户设备的业务卸载策略; 或者, 根据分组业务数据的五元组信息, 所述五元组信息包括源地址、 目标地址、 源端口、 目的端口和传输协议, 配 置所述用户设备的业务卸载策略。
本发明实施例提供的 PCRF 实体, 可以与本发明实施例提供的方法结合 使用, 从而达到了节省分组网络运营和维护成本的目的, 从而缩短了所述待 卸载分组业务数据的传输时延, 提高了所述待卸分组业务数据的传输速率, 克服了现有技术中用户设备发送的所有分组业务数据均需要经过移动传输网 络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 造成传输占用带宽较大的分组 业务数据(如因特网业务数据)时, 分组网络的运营和维护成本较高的问题; 根据用户设备的签约信息, 确定所述用户设备的业务卸载策略, 在不增加网 络负担的前提下, 增加分组业务数据的传输速率; 根据分组业务数据的目的 地址和用户设备的接入方法, 确定所述用户设备的业务卸载策略, 能够降低 移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN的传输压力,
另外, 如图 13所示, 本发明实施例还提供一种通信系统, 包括: 业务分流设备 1301 , 用于接收用户设备发送的分组业务数据, 并根据所 述用户设备的业务卸载策略, 确定所述分组业务数据中待卸载的分组业务数 据, 所述业务卸载策略根据用户信息或者业务分流点的信令信息生成, 将所 述确定的待卸载分组业务数据传输到分组数据网 PDN;
策略和计费规则功能 PCRF实体 1302, 用于获取用户设备的标识信息, 并 根据所述用户设备的标识信息, 向所述业务分流设备发送所述用户设备对应 的业务卸载策略, 以使得接收方根据所述用户设备的业务卸载策略, 传输所 述用户设备的分组业务数据。
在本发明实施例提供的通信系统中, 所述业务分流设备不但可以对基站 的分组业务数据进行卸载, 还可以对家庭基站的分组业务数据卸载; 在卸载 所述分组业务数据过程中, 所述业务分流设备还可以将所述分组业务数据路 由到增值业务 VAS实体或合法监听网关 LIG, 以使得 VAS实体或 LIG对待卸载 分组业务数据进行监控。
本发明实施例提供的通信系统, 可以与本发明提供的方法、 装置结合使 用, 根据用户设备对应的业务卸载策略, 确定分组业务数据中待卸载的分组 业务数据 ,将所述待卸载分组业务数据通过城域网和 IP骨干网传输到分组数据 网, 从而达到了节省分组网络运营和维护成本的目的, 从而缩短了所述待卸 载分组业务数据的传输时延, 提高了所述待卸分组业务数据的传输速率, 克 服了现有技术中用户设备发送的所有分组业务数据均需要经过移动传输网 络、 RNC、 SGSN、 IP骨干网和 GGSN传输, 造成传输占用带宽较大的分组业 务数据(如因特网业务数据) 时, 分组网络的运营和维护成本较高的问题; 通过将用户设备的部分分组业务数据通过城域网和 IP骨干网传输到分组数据 网, 降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN的传输压力, 从而 达到节约网络维护成本的目的; 通过接收 UE对业务卸载策略的配置, 能够满 足不同用户对传输速率的个性化需要, 提高了网络的服务质量; 根据分组业 务数据的五元组信息, 确定是否卸载所述分组业务数据, 加快了卸载速度, 提高了传输速率, 达到了减小传输延迟的目的; 对卸载数据进行监控, 保证 了网络的安全性, 提升了用户的服务体验; 通过对微蜂窝覆盖内 UE的分组业 务数据进行卸载,进一步降低移动传输网络、 RNC、 SGSN、 IP骨干网和 GGSN 的传输压力, 降低网络的维护成本, 同时提高了微蜂窝覆盖范围内分组业务 数据的传输速率。
本领域普通技术人员可以理解实现上述实施例方法携带的全部或部分步 骤是可以通过程序来指令相关的硬件完成, 所述的程序可以存储于一种计算 机可读存储介质中, 该程序在执行时, 包括方法实施例的步骤之一或其组合。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流 程, 是可以通过计算机程序来指令相关的硬件来完成, 所述的程序可存储于 一计算机可读取存储介质中, 该程序在执行时, 可包括如上述各方法的实施 例的流程。其中,所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory, ROM )或随机存 己忆体 ( Random Access Memory, RAM )等。

Claims

权 利 要 求
1、 一种分组业务数据的传输方法, 其特征在于, 包括:
接收用户设备发送的分组业务数据;
根据所述用户设备的业务卸载策略, 确定所述分组业务数据中待卸载的 分组业务数据, 所述业务卸载策略根据用户信息或者业务分流点的信令信息 生成;
将所述确定的待卸载分组业务数据发送到分组数据网 PDN 。
2、 根据权利要求 1所述的方法, 其特征在于, 所述用户设备的业务卸载 策略由策略和计费规则功能 PCRF 实体配置的或者用户设备通过所述 PCRF 实体配置。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 根据所述用户设备的 业务卸载策略, 确定所述分组业务数据中待卸载的分组业务数据, 包括: 当所述用户设备的业务卸载策略为信令卸载策略时, 获取所述用户设备 的分组数据协议上下文; 根据所述用户卸载策略以及所述获取的分组数据协 议上下文, 确定待卸载的分组业务数据; 或者,
当所述用户设备的业务卸载策略为用户卸载策略时, 釆用深度报文检测 方法, 获取分组业务数据的信息; 根据所述用户设备的业务卸载策略以及所 述获取的内容信息, 确定待卸载的分组业务数据。
4、 根据权利要求 3所述的方法, 其特征在于, 当所述用户设备的业务卸 载策略为用户卸载策略时, 还包括:
获取所述分组业务数据的五元组信息, 所述五元组信息包括源地址、 目 标地址、 源端口、 目的端口和传输协议; 根据所述用户设备的业务卸载策略以及所述获取的五元组信息, 确定待 卸载的分组业务数据。
5、 根据权利要求 1所述的方法, 其特征在于, 所述将所述确定的待卸载 分组业务数据发送到分组数据网 PDN, 包括:
将所述待卸载分组业务数据路由到增值业务 VAS 实体或合法监听网关
LIG, 以使得 VAS实体或 LIG对待卸载分组业务数据进行监控。
6、 根据权利要求 1或 5所述的方法, 其特征在于, 将所述确定的待卸载 分组业务数据传输到分组数据网 PDN, 包括:
将所述确定的待卸载分组业务数据通过城域网和 IP骨干网传输到分组数 据网 PDN。
7、 一种分组业务数据的传输方法, 其特征在于, 包括:
获取用户设备的标识信息;
根据所述用户设备的标识信息, 发送所述用户设备对应的业务卸载策略 以使得接收方根据所述用户设备的业务卸载策略, 发送所述用户设备的分组 业务数据。
8、 根据权利要求 7所述的方法, 其特征在于, 所述用户设备的标识信息 为国际移动用户识别码 IMSI、 分组临时移动用户识别码 P-TMSI或用户设备 的 IP地址。
9、 根据权利要求 8所述的方法, 其特征在于, 当所述用户设备的标识信 息为用户设备的 IP地址时, 还包括:
从策略与计费规则功能 PCRF 实体和承载网之间的接口, 接收网关通用 分组无线服务 GPRS支持节点 GGSN发送的携带 IMSI和用户设备 IP地址的 消息; 建立所述消息中 IMSI和用户设备 IP地址的关联关系。
10、 根据权利要求 7所述的方法, 其特征在于, 还包括:
根据用户设备的网络归属信息, 配置所述用户设备的业务卸载策略; 或 者,
根据用户设备的位置信息, 配置所述用户设备的业务卸载策略; 或者, 根据分组业务数据的业务类型和用户设备的接入方法, 配置所述用户设 备的业务卸载策略; 或者,
根据所述用户设备的服务类型, 配置所述用户设备的业务卸载策略; 或 者,
根据分组业务数据的五元组信息, 所述五元组信息包括源地址、 目标地 址、 源端口、 目的端口和传输协议, 配置所述用户设备的业务卸载策略。
11、 一种业务分流设备, 其特征在于, 包括:
接收模块, 用于接收用户设备发送的分组业务数据;
确定模块, 用于根据所述用户设备的业务卸载策略, 确定所述接收模块 接收的分组业务数据中待卸载的分组业务数据, 所述业务卸载策略根据用户 信息或者业务分流点的信令信息生成;
发送模块, 用于将所述确定模块确定的待卸载分组业务数据发送到分组 数据网 PDN 。
12、 根据权利要求 11所述的业务分流设备, 其特征在于, 所述确定模块 包括:
第一确定单元, 用于在所述用户设备的业务卸载策略为信令面卸载策略 时, 获取所述用户设备的上下文, 根据所述用户卸载策略以及所述获取的分 组数据协议上下文, 确定待卸载的分组业务数据; 或者, 第二确定单元, 用于在所述用户设备的业务卸载策略为用户面卸载策略 时, 釆用深度报文检测技术, 获取分组业务数据的信息, 根据所述用户设备 的业务卸载策略以及所述获取的内容信息, 确定待卸载的分组业务数据。
13、 根据权利要求 12所述的业务分流设备, 其特征在于, 所述第二确定 单元包括:
获取子单元, 获取所述分组业务数据的五元组信息, 所述五元组信息包 括源地址、 目标地址、 源端口、 目的端口和传输协议;
确定子单元, 用于根据所述用户设备的业务卸载策略以及所述获取子单 元的五元组信息, 确定待卸载的分组业务数据。
14、 根据权利要求 11所述的业务分流设备, 其特征在于, 所述第一发送 模块还包括:
重路由单元, 用于将所述待卸载分组业务数据路由到增值业务 VAS实体 或合法监听网关 LIG, 以使得 VAS实体或 LIG对待卸载分组业务数据进行监 控。
15、 根据权利要求 11 所述的装置, 其特征在于, 所述网络设备为基站
Node B、 无线网络控制器 RNC、 服务 GPRS支持节点 SGSN或网关 GPRS支 持节点 GGSN。
16、 一种策略和计费规则功能 PCRF实体, 其特征在于, 包括: 获取模块, 用于获取用户设备的标识信息;
发送模块, 用于根据所述获取模块获取的用户设备的标识信息, 发送所 述用户设备对应的业务卸载策略, 以使得接收方根据所述用户设备的业务卸 载策略, 发送所述用户设备的分组业务数据。
17、 根据权利要求 16所述的 PCRF实体, 其特征在于, 当所述用户设备 的标识信息为用户设备的 IP地址时, 还包括:
接收模块, 用于从策略与计费规则功能 PCRF实体和承载网之间的接口, 接收 GGSN发送的携带 IMSI和用户设备 IP地址的消息;
建立模块, 用于建立所述消息中 IMSI和用户设备 IP地址的关联关系。
18、 根据权利要求 16所述的 PCRF实体, 其特征在于, 还包括: 配置模块, 用于根据用户设备的网络归属信息, 配置所述用户设备的业 务卸载策略; 或者, 根据用户设备的位置信息, 配置所述用户设备的业务卸 载策略; 或者, 根据分组业务数据的业务类型和用户设备的接入方法, 配置 所述用户设备的业务卸载策略; 或者, 根据所述用户设备的服务类型, 配置 所述用户设备的业务卸载策略; 或者, 根据分组业务数据的五元组信息, 所 述五元组信息包括源地址、 目标地址、 源端口、 目的端口和传输协议, 配置 所述用户设备的业务卸载策略。
19、 一种通信系统, 其特征在于, 包括:
业务分流设备, 用于接收用户设备发送的分组业务数据, 并根据所述用 户设备的业务卸载策略, 确定所述分组业务数据中待卸载的分组业务数据, 所述业务卸载策略根据用户信息或者业务分流点的信令信息生成, 将所述确 定的待卸载分组业务数据发送到分组数据网 PDN;
策略和计费规则功能 PCRF 实体, 用于获取用户设备的标识信息, 并根 据所述用户设备的标识信息, 向所述业务分流设备发送所述用户设备对应的 业务卸载策略, 以使得所述业务分流设备根据所述用户设备的业务卸载策略, 发送所述用户设备的分组业务数据。
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