WO2017113193A1 - Procédé de traitement de paquets, entité de plan d'utilisateur de passerelle, entité de plan de commande de passerelle et passerelle - Google Patents

Procédé de traitement de paquets, entité de plan d'utilisateur de passerelle, entité de plan de commande de passerelle et passerelle Download PDF

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Publication number
WO2017113193A1
WO2017113193A1 PCT/CN2015/099875 CN2015099875W WO2017113193A1 WO 2017113193 A1 WO2017113193 A1 WO 2017113193A1 CN 2015099875 W CN2015099875 W CN 2015099875W WO 2017113193 A1 WO2017113193 A1 WO 2017113193A1
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Prior art keywords
plane entity
gateway
action
packet
user plane
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PCT/CN2015/099875
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English (en)
Chinese (zh)
Inventor
徐以旭
周汉
陈中平
夏渊
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华为技术有限公司
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Priority to PCT/CN2015/099875 priority Critical patent/WO2017113193A1/fr
Publication of WO2017113193A1 publication Critical patent/WO2017113193A1/fr

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  • the embodiments of the present invention relate to communication technologies, and in particular, to a packet processing method, a gateway user plane entity, a gateway control plane entity, and a gateway.
  • LTE Long Term Evolution
  • SAE System Architecture Evolution
  • the EPS network can support multiple types of user equipment (User Equipment, UE for short) to access the operator's Packet Data Network (PDN) to obtain the Operator's Internet Protocol Services. For example, the Internet Protocol Multimedia Subsystem (IMS) Packet Switching Streaming (PSS) service.
  • IMS Internet Protocol Multimedia Subsystem
  • PSS Packet Switching Streaming
  • a plurality of types of gateways need to be deployed in the EPS network. Different gateways of the multiple types of gateways can process different service information to support different types of UEs to access the PDN of the operator.
  • gateways need to be deployed in the EPS network, so that multiple types of UEs can access the network through corresponding gateways, which makes the architecture of the entire EPS network more and more complicated.
  • the embodiment of the invention provides a packet processing method, a gateway user plane entity, a gateway control plane entity and a gateway to simplify the EPS network architecture.
  • the embodiment of the invention provides a packet processing method, including:
  • the gateway user plane entity receives the control information sent by the gateway control plane entity
  • the gateway user plane entity determines, according to the control information, a packet processing action corresponding to the control information
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the control information.
  • the control information includes action set indication information, the action set includes at least one message processing action, and the action set indication information includes an identifier of at least one message processing action;
  • the action set indication The information may be carried in the template indication information in the control information;
  • the action set indication information may be determined by the gateway control plane entity according to a preset gateway function, where the gateway function is the gateway control plane entity according to the UE access type and/or Or as determined by the type of business function;
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the control information, including:
  • the gateway user plane entity determines at least one packet processing action according to the action set indication information, and processes the packet according to at least one packet processing action.
  • the gateway user plane entity may determine the action set according to the action set indication information, and implement the action set correspondingly.
  • Multiple gateway functions enable the convergence of gateway functions, improve the compatibility and scalability of the gateway function of the gateway user plane entity, and greatly exceed the compatibility and scalability of the gateway function of the traditional gateway.
  • control information further includes sequence indication information, where the sequence indication information is used to indicate an execution order of the at least one message processing action.
  • the instruction information of the action set further includes the sequence indication information, so that the gateway user plane entity can perform a plurality of different action processing on the message according to the execution order of the message processing action corresponding to the action set.
  • the accuracy of processing the packet by the gateway user plane device is ensured.
  • control information further includes object set indication information, where the object set indication information includes an identifier of the at least one object, wherein each object is associated with at least one message processing action in the message processing action.
  • the object as described above may be a service function object, and the service function object is associated with a message processing action corresponding to a preset gateway function.
  • the service function object includes any one of a service function object such as a tunnel object, a charging object, a quality of service QoS object, or a uniform resource locator URL filtering object.
  • a service function object such as a tunnel object, a charging object, a quality of service QoS object, or a uniform resource locator URL filtering object.
  • the object may also be a message operation object, and each message operation object includes one An instance, wherein each instance is associated with at least one message processing action in a message processing action; the message includes a count tag value;
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the control information, including:
  • the gateway user plane entity determines, according to the count tag value, a message processing action associated with an instance of an object in the object set;
  • the gateway user plane entity processes the packet according to the determined packet processing action, and obtains the processed packet; the counted label value in the processed packet is updated after the updated count label value;
  • the gateway user plane entity determines whether the updated count label value has a corresponding object instance
  • the user plane entity processes the message according to the message processing action associated with the object instance corresponding to the updated count tag value.
  • each message operation object includes an instance, wherein each instance is associated with at least one message processing action in the message processing action; the gateway user plane entity is controlled according to The packet processing action corresponding to the information processes the packet, including:
  • the gateway user plane entity processes the packet according to the packet processing action associated with the instance of the first object in the object set, and obtains the processed packet.
  • the processed packet includes the instance identifier ID of the first object, and the first object.
  • the gateway user plane entity determines, according to the ID of the first object instance, whether the object set has a second object, and the second object is a next object of the first object in the object set;
  • the object set has the second object, and the gateway user plane entity processes the second object as the first object.
  • the processed packet includes the first object. Instance ID of the object;
  • the processed message includes an instance ID and a count tag value of the first object, and
  • the count label value is a preset integer value
  • the message includes: the instance ID and the count tag value of the first object, the count tag value and the processing The count tag value in the previous message is the same;
  • the processed message includes: The ID of the first object instance and the count tag value; the count tag value can be a preset integer value.
  • the processed message includes: The ID of the object instance and the count tag value; the count tag value is obtained based on the update of the count tag value in the pre-process message.
  • the message operation object includes any one of a link operation object such as a link object, a bearer object, and a flow object.
  • a link operation object such as a link object, a bearer object, and a flow object.
  • the method described in the foregoing embodiment is further described by the solution of the different object instances corresponding to the objects in the object set, so that the accuracy of the message processing by the gateway user plane entity is better.
  • the integration of multiple gateway functions in the user plane entity of the gateway is better realized, and the deployment of new services is more flexible and faster.
  • control information sent by the gateway user plane entity to the gateway control plane entity may include:
  • the gateway user plane entity receives control information sent by the gateway control plane entity through the preset transmission channel.
  • the embodiment of the invention further provides a packet processing method, including:
  • the gateway control plane entity determines the control information according to the type information of the user equipment UE, where the control information is used to instruct the gateway user plane entity to determine the packet processing action corresponding to the control information;
  • the gateway control plane entity sends control information to the gateway user plane entity.
  • control information includes: action set indication information; indication information of the action set, used to instruct the gateway user plane entity to determine an action set, the action set includes at least one message processing action; and the action set indication information includes at least one message processing The identity of the action.
  • the action set indication information may be carried in the template indication information in the control information.
  • control information further includes: sequence indication information; the sequence indication information is used to indicate an execution order of the at least one message processing action.
  • control information further includes: object set indication information; the object set includes: at least one object; wherein each object is associated with at least one message processing action in the message processing action; and the object set indication information includes at least The identifier of an object; the action set indicates that the information can be carried in the control The template information in the information indicates.
  • the gateway control plane entity sends the control information to the gateway user plane entity, which may include:
  • the gateway control plane entity sends control information to the gateway user plane entity through a preset transmission channel.
  • the type information of the UE includes: at least one of an access type of the UE, and a service function type of the UE.
  • the embodiment of the invention further provides a gateway user plane entity, including:
  • a receiving module configured to receive control information sent by a gateway control plane entity
  • a determining module configured to determine, according to the control information, a message processing action corresponding to the control information
  • the processing module is configured to process the packet according to the packet processing action corresponding to the control information.
  • control information includes action set indication information, and the action set includes at least one message processing action; the action set indication information includes an identifier of at least one message processing action; the action set indication information may be carried in the control information.
  • Template indication information ;
  • a determining module configured to determine at least one message processing action according to the action set indication information
  • the processing module is further configured to process the packet according to at least one packet processing action.
  • control information further includes sequence indication information, where the sequence indication information is used to indicate an execution sequence of the at least one message processing action.
  • control information as described above further includes object set indication information, where the object set indication information includes an identifier of the at least one object, wherein each object is associated with at least one message processing action in the message processing action.
  • the object may be a service function object, and the service function object is associated with a message processing action corresponding to a preset gateway function.
  • the service function object includes any one of a service function object such as a tunnel object, a charging object, a quality of service QoS object, or a uniform resource locator URL filtering object.
  • a service function object such as a tunnel object, a charging object, a quality of service QoS object, or a uniform resource locator URL filtering object.
  • the object may also be a message operation object, each message operation object includes an instance, wherein each instance is associated with at least one message processing action in the message processing action; the message includes a count tag value;
  • Determining a module further configured to determine, according to the count tag value, a message processing action associated with an instance of an object in the object set;
  • the processing module is further configured to process the packet according to the determined packet processing action to obtain the processed packet; and the counted label value in the processed packet is updated by updating the counted label value;
  • Determining a module further configured to determine whether the updated count tag value has a corresponding object instance
  • the processing module is further configured to: if the updated count tag value has a corresponding object instance, process the packet according to the packet processing action associated with the object instance corresponding to the updated count tag value.
  • the object is a message operation object, and each message operation object includes an instance, wherein each instance is associated with at least one message processing action in the message processing action;
  • the processing module is further configured to process the packet according to the packet processing action associated with the instance of the first object in the object set, and obtain the processed packet, where the processed packet includes the instance identifier ID of the first object,
  • An object is an object in the set of objects;
  • a determining module configured to determine, according to an ID of the first object instance, whether the object set has a second object; the second object is a next object of the first object in the object set; and if the object set has a second object, the second object Processing is performed as the first object.
  • the message operation object includes any one of a link operation object such as a link object, a bearer object, and a flow object.
  • a link operation object such as a link object, a bearer object, and a flow object.
  • the receiving module is further configured to receive control information sent by the gateway control plane entity through the preset transmission channel.
  • the embodiment of the present invention further provides a gateway control plane entity, which may include:
  • a determining module configured to determine control information according to the type information of the user equipment UE, where the control information is used to instruct the gateway user plane entity to determine a packet processing action corresponding to the control information;
  • a sending module configured to send control information to the gateway user plane entity.
  • control information includes: action set indication information; indication information of the action set, used to instruct the gateway user plane entity to determine an action set, the action set includes at least one message processing action; and the action set indication information includes at least one message processing The identity of the action.
  • the action set indication information may be carried in the template indication information in the control information.
  • control information further includes: sequence indication information; the sequence indication information is used to indicate an execution order of the at least one message processing action.
  • control information further includes: object set indication information; the object set includes: at least one object; wherein each object is associated with at least one message processing action in the message processing action; the object set indication information includes the The identity of at least one object.
  • the sending module is further configured to send the control information to the gateway user plane entity by using a preset transmission channel.
  • the type information of the UE includes: at least one of an access type of the UE, and a service function type of the UE.
  • the embodiment of the present invention further provides a gateway, where the gateway includes a gateway user plane entity and a gateway control plane entity; wherein the gateway user plane entity is connected to the gateway control plane entity; and the gateway user plane entity is the gateway according to any one of the preceding claims.
  • User plane entity; the gateway control plane entity is the gateway control plane entity as described in any one of the above.
  • the present invention provides a packet processing method, a gateway user plane entity, a gateway control plane entity, and a gateway, and the gateway user plane entity can determine a packet processing action corresponding to the control information according to the received control information sent by the gateway control plane entity.
  • the message is then processed according to the determined message processing action. Therefore, the gateway user plane entity can determine the packet processing action according to the control information sent by the gateway control plane entity. Even if the UE type is more and more abundant, it only needs to be processed according to the control information sent by the gateway control plane entity, without deploying. Multiple gateways reduce the deployment of gateways in the EPS network and simplify the architecture of the EPS network.
  • FIG. 1 is a schematic structural diagram of an existing EPS network
  • FIG. 2 is a schematic structural diagram of an EPS network provided by the present invention.
  • FIG. 3 is a flowchart of a packet processing method according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention
  • FIG. 5 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention
  • FIG. 6 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram of an EPS network according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of a gateway control plane entity based on a service function type according to Embodiment 2 of the present invention. Schematic diagram of the entity with the gateway user plane;
  • FIG. 9 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on a service function type according to Embodiment 2 of the present invention.
  • FIG. 10 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on a service function type according to Embodiment 2 of the present invention.
  • FIG. 11 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity according to Embodiment 3 of the present invention.
  • FIG. 12 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity according to Embodiment 3 of the present invention.
  • FIG. 13 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity according to Embodiment 4 of the present invention.
  • FIG. 14 is a flowchart of a packet processing method according to Embodiment 4 of the present invention.
  • FIG. 15 is a flowchart of another packet processing method according to Embodiment 4 of the present invention.
  • FIG. 16 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity according to Embodiment 4 of the present invention.
  • FIG. 17 is a flowchart of a packet processing method according to Embodiment 5 of the present invention.
  • FIG. 18 is a schematic structural diagram of a gateway user plane entity according to Embodiment 6 of the present invention.
  • FIG. 19 is a schematic structural diagram of a gateway control plane entity according to Embodiment 7 of the present invention.
  • FIG. 20 is a schematic structural diagram of a gateway according to Embodiment 8 of the present invention.
  • the packet processing method provided by the embodiments of the present invention is applicable to an EPS network.
  • the EPS network can support multiple types of UEs to access the operator's packet data network to serve multiple different types of UEs.
  • the multiple types of UEs may include: UEs of multiple different access types, and/or UEs of multiple different service function types.
  • the access type can be determined according to the type of the access network, and can be packaged. Including: 3rd Generation Partnership Project (3GPP), Trusted Non-3rd Generation Partnership Project (Non-3GPP) Access and Untrusted Non- 3GPP access, etc.
  • the service function types may include: Internet Protocol (IP) service function change corresponding to the gateway, IP service function cancellation, and IP service function addition.
  • IP Internet Protocol
  • FIG. 1 is a schematic diagram of an architecture of an existing EPS network.
  • the EPS network may include: a Home Public Land Mobile Network (HPLMN) and a Non-3GPP network.
  • the access network in the HPLMN may be the 3GPP access network 101.
  • the 3GPP access network 101 may be an Evolved-Universal Mobile Telecommunications System Terrestrial Radio Access Network (E-UTRAN).
  • E-UTRAN Evolved-Universal Mobile Telecommunications System Terrestrial Radio Access Network
  • the access network in the Non-3GPP network may include a trusted Non-3GPP access network 102 and an untrusted Non-3GPP access network 103.
  • the trusted Non-3GPP access network 102 may be a Worldwide Interoperability for Microwave Access (WiMAX) based access network
  • the untrusted Non-3GPP access network 103 may be based on Wireless-Fidelity (WiFi) access network.
  • the UE may be connected to the gateway corresponding to the access type by using an access network corresponding to the access type of the UE, and then connected to the operator IP network through the gateway corresponding to the access type, thereby being from the carrier IP network. Get an IP service.
  • the EPS network includes: a Serving Gateway (SGW) 104, a Packet Data Gateway (PGW) 105, and an evolved packet data gateway (evolved Packet).
  • SGW Serving Gateway
  • PGW Packet Data Gateway
  • evolved Packet evolved packet data gateway
  • the EPS network further includes: a PGW 105 and a Trusted Access Gateway (TGW) 107. If the access type of the UE is untrusted Non-3GPP access, the EPS network also has an ePDG 106 and an Untrusted Access Gateway (UGW) 108. If the access type of the UE is other types, the EPS network has other types of gateways to provide IP services for the UEs of different access types, so that the EPS network can support multiple access types.
  • UE If the EPS network needs to support a new type of UE, a gateway corresponding to the new type needs to be deployed in the EPS network. With the diversification of UE types, more and more gateways need to be deployed in EPS networks, thus making the entire EPS network architecture Increasingly complex, the maintenance of the network is more complicated and the maintenance cost is higher.
  • FIG. 2 is a schematic structural diagram of an EPS network provided by the present invention.
  • a gateway 201 may be included in an EPS network according to an embodiment of the present invention.
  • the gateway 201 can include a Gateway-User (GW-U) entity 202 and a Gateway-Controler (GW-C) entity 203.
  • the gateway user plane entity 202 and the gateway control plane entity 203 can be respectively used as an independent physical entity device.
  • the gateway user plane entity 202 can also be referred to as a user plane device or a forwarding plane device, and the gateway control plane entity 203 can also be called For control surface devices or control devices.
  • the gateway user plane entity 202 and the gateway control plane entity 203 may also be respectively a separate hardware module in the physical entity device.
  • the gateway user plane entity 202 may be a user module or a forwarding module in the gateway 201, and the gateway control plane.
  • Entity 203 can be a control module in gateway 201.
  • the embodiment of the present invention further provides a plurality of packet processing methods, a gateway user plane entity 202, a gateway control plane entity 203, and a gateway, which are mutually executable by the gateway user plane entity 202 and the gateway control plane entity 203.
  • the invention can be specifically illustrated by the following examples.
  • a first embodiment of the present invention provides a packet processing method.
  • the packet processing method provided by the first embodiment of the present invention may be executed by the gateway user plane entity 202 and the gateway control plane entity 203.
  • FIG. 3 is a flowchart of a packet processing method according to Embodiment 1 of the present invention. As shown in FIG. 3, the method can include the following:
  • the gateway control plane entity determines control information.
  • the gateway control plane entity sends the control information to the gateway user plane entity.
  • the gateway control plane entity may send the control information through the S18 interface or multiplexed with other interfaces.
  • the gateway user plane entity is also compatible with the external interface of each traditional gateway, that is, the gateway user plane entity may have an interface for each traditional gateway to transmit with some other network element devices.
  • some other network element devices include: a Serving General Packet Radio Service Support Node (SGSN) or a verification authorization accounting server.
  • the gateway control plane entity is also compatible with the external interface of each traditional gateway, that is, the gateway control plane entity may have an interface for each traditional gateway to transmit with another part of other network element devices.
  • the other part of the network element device may include: a Mobile Management Entity (MME) or a Policy and Charging Rules Function (PCRF). Therefore, the gateway for performing the message processing method in the embodiment of the present invention is used.
  • MME Mobile Management Entity
  • PCRF Policy and Charging Rules Function
  • the gateway user plane entity determines, according to the control information, a packet processing action corresponding to the control information.
  • the gateway user plane entity may determine, according to the control information, a correspondence between the preset control information and the packet processing action, and determine a packet processing action corresponding to the control information.
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the control information.
  • the gateway user plane entity may further determine an execution instruction corresponding to the message processing action according to the message processing action corresponding to the control information, and then perform the message according to the execution instruction. deal with.
  • the packet may be a signaling packet or a service data packet; the signaling packet may be an in-band signaling packet of the same IP link as the data packet.
  • the signaling packet may include an uplink signaling packet or a downlink signaling packet.
  • the service data packet may include an uplink data packet or a downlink data packet. It should be noted that the gateway user plane entity may further forward the processed packet, that is, the processed packet is sent to the downstream network device of the gateway user plane entity.
  • the gateway user plane entity may determine the packet processing action corresponding to the control information according to the received control information sent by the gateway control plane entity, and then report the action according to the determined packet processing action.
  • the text is processed.
  • the gateway user plane entity can determine the packet processing action according to the control information sent by the gateway control plane entity. Even if the type of the UE is more and more abundant, only the control information sent by the gateway control plane entity is processed, and no deployment is needed. Multiple gateways can reduce the deployment of gateways in the EPS network, simplify the architecture of the EPS network, simplify the maintenance complexity of the network, and reduce maintenance costs.
  • the method may further include:
  • the gateway user plane entity sends a response message corresponding to the control information to the gateway control plane.
  • the response message includes a determination result of the message processing action corresponding to the control information.
  • the second embodiment of the present invention further provides a packet processing method.
  • the control information may include: action set indication information.
  • the set of actions can include at least one message processing action.
  • the action set can correspond to a gateway function. That is, the action set includes the The at least one packet processing action may be a packet processing action required to process the message required to implement the gateway function.
  • the action set indication information can be represented by the name of the action set.
  • the name of the action set can be represented by the identity of the gateway function corresponding to the action set.
  • the identifier of the gateway function corresponding to the SGW may be the SGW, and the indication information of the action set may be represented by the SGW.
  • the gateway user plane entity may determine the action set according to the indication information of the action set.
  • the gateway user plane entity determines, according to the control information, a packet processing action corresponding to the control information, which may include:
  • the gateway user plane entity determines the action set according to the action set indication information
  • the gateway user plane entity determines a packet processing action corresponding to the action set according to the action set, the correspondence between the preset action set and the message processing action.
  • the corresponding relationship between the action set and the packet processing action may be preset in the gateway user plane entity.
  • the action set indication information may include an identifier of the at least one message processing action included in the action set. Therefore, the message processing action corresponding to the action set may be that the gateway user plane entity determines according to the action set indication information.
  • the identifier of the packet processing action may be represented by the name of the packet processing action.
  • the gateway user plane entity may determine, according to the identifier of the packet processing action, at least one packet processing action corresponding to the action set.
  • the packet processing action may include, but is not limited to, Receive Packet (RecPkt), Decapsulate (Decap), Traffic Supervision (Car), or Encapsulate (Encapte).
  • the identifier of the received data packet may be RecPkt
  • the decapsulated identifier may be Decap
  • the identifier of the traffic policing may be Car
  • the identifier of the encapsulation may be Encap.
  • the action set indication information includes action indication information consisting of RecPkt, Decap, Car, and Encap
  • the gateway user plane entity may determine, according to the action set indication information, the packet processing action including the ReceivePacket in the action set, and the packet processing of the Decapsulate.
  • the action set includes at least one message processing action, such as multiple message processing actions. Then, each message processing action in the action set also has a corresponding execution order.
  • the control information may further include: sequence indication information; the sequence indication information is used to indicate an execution order of the at least one message processing action. That is, the execution order of the at least one message processing action and the at least one message processing action in the second embodiment of the present invention may be determined by the gateway control plane entity and sent to the gateway user plane entity.
  • the gateway user plane entity in the foregoing S304 processes the packet according to the packet processing action corresponding to the control information, and may include:
  • the gateway user plane entity determines an execution order of the at least one message processing action according to the sequence indication information; and then processes the message according to the execution sequence.
  • the sequence indication information may be represented by a character string including an identification of the at least one message processing action.
  • the gateway user plane entity may determine execution of the at least one message processing action.
  • the sequence may be a packet processing operation of ReceivePacket, a packet processing operation of Decapsulate, a message processing operation of Car, and a packet processing operation of Encapsulate.
  • the user plane of the gateway may first receive the packet according to the packet processing action of the ReceivePacket, and then encapsulate the packet according to the packet processing action of the Decapsulate, and then process the packet according to the message processing action of the Car. Traffic policing is performed. Finally, the packet is encapsulated according to the packet processing action of Encapsulate.
  • the determining, by the gateway control plane entity in the foregoing S301, the control information may include:
  • the gateway control plane entity determines the action set indication information according to the gateway function.
  • the gateway function may be determined according to the access type and/or the type of service function of the UE.
  • the service function type may be determined according to user service data.
  • the gateway function is determined according to the access type of the UE, that is, the action set indication information may be that the gateway control plane entity may be a gateway function of the gateway user plane entity determined according to the access type of the UE. And then determined by the gateway function.
  • FIG. 4 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention.
  • the gateway user plane entity may be a gateway user plane entity corresponding to the SGW.
  • the gateway control plane entity may determine, according to the gateway function corresponding to the SGW, that the action set is an action set corresponding to the SGW, and the action set indication information may be represented by the SGW.
  • the packet processing operations corresponding to the action set corresponding to the SGW include: a packet processing operation of the ReceivePacket, a packet processing operation of the Decapsulate, a message processing operation of the Car, and a packet processing operation of the Encapsulate.
  • the action set indication information may include a name of a message processing action of the action set, such as ReceivePacket, Decapsulate, Car, and Encapsulate.
  • the sequence indication information may be ReceivePacket->Decapsulate->Car->Encapsulate.
  • the gateway user plane entity may also determine that the gateway function includes a gateway function corresponding to the PGW, and the gateway user plane entity may be a gateway user plane corresponding to the PGW. entity.
  • FIG. 5 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention.
  • the gateway control plane entity may determine, according to the gateway function corresponding to the PGW, that the action set is an action set corresponding to the PGW, and the indication information of the action set may be represented by PGW.
  • the packet processing operations corresponding to the action set corresponding to the PGW include: a packet processing operation of the ReceivePacket, a packet processing operation of the Decapsulate, a packet processing operation of the traffic shaping (Shaping), and a packet processing operation of the Charge.
  • the action set indication information may include a name of a message processing action of the action set, such as ReceivePacket, Decapsulate, Shaped, and Charge.
  • the order indication information may be ReceivePacket->Decapsulate->Shaping->Charge.
  • the gateway function may further include a gateway function corresponding to the Evolved Packet Data Gateway (ePGW).
  • FIG. 6 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on an access type according to Embodiment 2 of the present invention.
  • the gateway control plane entity may determine that one action set is an action set corresponding to the SGW according to the gateway function corresponding to the ePGW, and the other action set is an action set corresponding to the ePGW.
  • the action set indication information corresponding to the SGW may be represented by an SGW
  • the action set indication information corresponding to the ePGW may be represented by an ePGW.
  • the packet processing operations corresponding to the action set corresponding to the SGW include: a packet processing operation of the ReceivePacket, a packet processing operation of the Decapsulate, a message processing operation of the Car, and a packet processing operation of the Encapsulate.
  • the packet processing action corresponding to the action set corresponding to the ePGW includes: a packet processing action of the ReceivePacket, and a packet processing process of decrypting (Decrypt).
  • the control information may include action set indication information corresponding to the SGW and action set indication information corresponding to the ePDW.
  • the action set indication information corresponding to the SGW may include a name of a packet processing action of the action set corresponding to the SGW, such as ReceivePacke, Decapsulate, Car, and Encapsulate.
  • the sequence indication information corresponding to the SGW may be ReceivePacke->Decapsulate->Car->Encapsulate.
  • the action set indication information corresponding to the ePDW may include a name of a message processing action of the action set corresponding to the ePDW, such as ReceivePacke, Decrypt, Car, and Encapsulate.
  • the sequence indication information corresponding to the ePDW may be ReceivePacke->Decrypt->Car->Encapsulate.
  • the gateway user plane entity can support 3GPP access and untrusted 3GPP access, that is, the gateway user plane entity can receive the packets corresponding to the two access types.
  • the packet corresponding to the 3GPP access type may include a GTP type packet of a Tunnel Endpoint Identity (TEID).
  • the packet corresponding to the untrusted 3GPP access may be an Internet Protocol Security (IPSec) type of packet. Regardless of the type of message, the gateway user plane can be received through the S1 interface.
  • IPSec Internet Protocol Security
  • FIG. 4, FIG. 5 and FIG. 6 in the above embodiments of the present invention are merely illustrative, and the present invention is not specifically limited. That is to say, the gateway user plane entity may also support only other access types, and may also support multiple access types, such as supporting more than two access types, and is not limited to the above description.
  • the second embodiment of the present invention further provides an EPS network architecture to support 3GPP access, trusted Non-3GPP access, and untrusted Non-3GPP access.
  • Embodiment 2 of the present invention further provides an architecture diagram of an EPS network.
  • FIG. 7 is a structural diagram of an EPS network according to Embodiment 2 of the present invention. As shown in FIG. 7, the EPS network can include a gateway control plane entity 701 and a gateway user plane entity 702.
  • the gateway user plane entity 702 may include: a gateway user plane entity 703 corresponding to the SGW, a gateway user plane entity 704 corresponding to the PGW, a gateway user plane entity 705 corresponding to the trusted non-3GPP, and a gateway user plane entity corresponding to the untrusted non-3GPP. 706.
  • the structure of the gateway user plane entity corresponding to the SGW and the gateway user plane entity corresponding to the PGW may be of the type shown in FIG. 4 and FIG. 5 of the foregoing embodiment, and details are not described herein again.
  • the gateway user plane entity corresponding to the SGW, the gateway user plane entity corresponding to the PGW, the gateway user plane entity corresponding to the trusted non-3GPP, and the gateway user plane entity corresponding to the untrusted non-3GPP may be independent physical devices, respectively. It can be a number of different software and/or hardware modules within a physical device.
  • the gateway function is determined according to the service function type of the UE, that is, the indication information of the action set may be that the gateway control plane entity may be a gateway user plane entity determined according to the service function type of the UE. The gateway function is then determined based on the gateway function.
  • the service function types include: IP service function change of the gateway function corresponding to the PGW, cancellation of the IP service function, and increase of the IP service function.
  • the gateway control plane sends a corresponding control message to the gateway control plane according to the service function type, so that the gateway user plane performs the function of changing, canceling or adding the gateway according to the control message.
  • FIG. 8 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity based on a service function type according to Embodiment 2 of the present invention.
  • the function of the gateway before and after the change of the IP service function is as shown in Figure 8.
  • the packet processing action of the action set may include the packet processing action after changing the IP service function, such as the ReceivePacket report. Text processing action, Decapsulate message processing action, Charge message processing action, and Shaping message processing action.
  • the action set indication information further includes action change instruction information of the action set.
  • the action change instruction information may include a message processing operation to be changed, and a position in the plurality of message processing operations in the message processing operation to be changed before the change.
  • the action change instruction information may further include: instruction information for changing each message processing operation after the message processing operation, and sequence instruction information.
  • the sequence indication information is used to indicate the execution order of the message processing actions of the action set after the IP service function is changed.
  • the order indication information is ReceivePacket->Decapsulate->Charge->Shaping.
  • the changed gateway function may be a gateway function after canceling the URL filtering function.
  • FIG. 9 is a schematic structural diagram of another service type-based gateway control plane entity and a gateway user plane entity according to Embodiment 2 of the present invention.
  • the function of the gateway before and after the cancellation of the IP service function is as shown in Figure 9.
  • the packet processing action of the action set may include canceling the packet processing after the packet processing action corresponding to the IP service function.
  • Actions such as ReceivePacket's message processing action, Decapsulate's message processing action, Shaping's message processing action, and Charge's message processing action.
  • the action set indication information includes action cancellation instruction information of the action set.
  • the action cancellation indication information may include: cancel (Delete, referred to as DEL) Identification, message processing action to be canceled.
  • the cancellation identifier may be represented as DEL, and the packet processing action to be canceled may be a URL filtering message processing action, and the message processing action to be canceled may be represented as a URL Filter.
  • the action cancellation indication information of the one action set may further include: indication information and sequence indication information of each message processing action after the message processing action is canceled.
  • the sequence indication information is used to indicate the execution order of the message processing actions of the action set after the service function is cancelled.
  • the order indication information may be ReceivePacket->Decapsulate->Shaping->Charge.
  • the changed gateway function may be a gateway function after the traffic subscription function is added.
  • FIG. 10 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity based on a service function type according to Embodiment 2 of the present invention.
  • the function of the gateway before and after the IP service function is added is as shown in Figure 10.
  • the packet processing action of the action set may include adding the packet processing after the packet processing action corresponding to the IP service function. Actions, such as ReceivePacket's message processing action, Decapsulate's message processing action, Shaping's message processing action, Charge's message processing action, and ICAP message processing action.
  • the action set indication information includes action increase indication information of the action set.
  • the action insertion indication information may include: adding an identifier, a message processing action to be added, and a position of the message processing action to be added in a plurality of message processing actions in the pre-action set, wherein the added identifier may be represented as Insert, the message processing action to be added can be expressed as ICAP->AC, and the position of the message processing action to be added can be expressed as charge.
  • the action increase indication information may further include: indication information and sequence indication information of each message processing action after the message processing action is increased.
  • the sequence indication information is used to indicate the execution order of the message processing actions of the action set after the service function is added.
  • the sequence indication information may be ReceivePacket->Decapsulate->Shaping->Charge->ICAP->AC.
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the action set and the action parameter of the packet processing action.
  • the control information sent by the gateway control plane entity includes the action set indication information, so the gateway user plane entity may determine the action set according to the action set indication information, and implement the action set correspondingly.
  • Multiple gateway functions enable the convergence of gateway functions, improve the compatibility and scalability of the gateway function of the gateway user plane entity, and greatly exceed the compatibility and scalability of the gateway function of the traditional gateway.
  • the indication information of the action set further includes the sequence indication information, so that the gateway user plane entity can perform a plurality of different action processing on the message according to the execution order of the message processing action corresponding to the action set.
  • the accuracy of processing the packet by the gateway user plane device can be ensured.
  • the packet processing method provided by the second embodiment of the present invention can process packets of different access types or service types, so that the EPS network supports multiple different access types or service types without deploying multiple Gateways simplify the network architecture and also enable the convergence of gateway functions corresponding to multiple access types or service types.
  • Embodiment 3 of the present invention further provides a packet processing method.
  • the control information may further include: object set indication information; the object set includes: at least one object (Object); wherein each object corresponds to a message processing action.
  • the object set indication information may include an identification of each object in the object set.
  • the gateway user plane entity can process the packet according to the packet processing action corresponding to each object in the object set. Each object is associated with at least one message processing action in the message processing action.
  • Each object may correspond to at least one message processing action, and at least one message processing corresponding to each object further has a corresponding execution order, and thus the object set indication information may include: sequence indication information.
  • the gateway user plane entity may process the message in sequence according to the execution order of the message processing actions in each object.
  • the object set includes: at least one object, each object corresponding to one business function object according to different dimensions, or each object corresponding to one message operation object.
  • the service function object When each object corresponds to a service function object, the service function object includes a message processing action; the control information further includes: indication information of the object sequence; the object sequence is a message processing sequence corresponding to the at least one object.
  • the gateway user plane device may determine, according to the indication information of the object sequence, a message processing sequence corresponding to the at least one object.
  • the user plane entity of the gateway may process the packet in turn according to the processing sequence of the corresponding packet, and then adopt the packet processing action corresponding to the first object in the object set, and then adopt the packet of the next object in the object set.
  • the processing action processes the packet until the packet processing has been processed according to the packet processing action of all objects in the object set, and the gateway user plane entity completes processing the packet.
  • the service function object includes: a tunnel object, a charging (CHarGe, abbreviated as CHG) object, a quality of service (QoS) object, or a Uniform Resource Locator (URL) filtering object.
  • CHG charging
  • QoS quality of service
  • URL Uniform Resource Locator
  • FIG. 11 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity according to Embodiment 3 of the present invention.
  • the gateway user plane entity may determine, according to the indication information of the object set, each object of the object set, and a message processing order corresponding to each object in the object set.
  • the gateway user plane entity further obtains an object set of the gateway user plane entity as shown in FIG. 11 according to each object in the object set and a corresponding relationship between the preset object and the packet processing action.
  • the tunnel object may include: a packet processing action of the Encapsulate, a packet processing action of the Decapsulate, and a message processing action of the identifier (Remark);
  • the CHG object may include: a packet processing action of the tag;
  • the QoS object The message processing action of the Car and the packet processing action of the Shaping may be included;
  • the URL filtering object may include a message processing action of the Internet Content Adaptation Protocol (ICAP).
  • ICAP Internet Content Adaptation Protocol
  • the gateway user plane entity can sequentially adopt the packet processing action of the tunnel object and the packet processing action of the CHG object according to the packet operation sequence corresponding to each object of the object set; the message processing action of the QoS object, the URL
  • the packet processing action of the filtering object processes the packet.
  • the message operation object may include at least one message operation object corresponding to multiple instances; each instance is associated with at least one message processing action in the message processing action
  • the control information further includes: indication information of the order of the object instance; the order of the object instance is a processing sequence of the message corresponding to the instance of the operation object of the message.
  • the gateway user plane entity may be a packet processing sequence corresponding to the object instance, and sequentially according to each object in the object set.
  • the instance processes the message.
  • the user plane entity of the gateway may be processed according to the processing sequence of the packet corresponding to the object instance, and the packet processing action of each object instance corresponding to the first object instance in the object set is processed in turn, and then the next object is used in the object set.
  • Each message processing action of the object instance processes the message until all objects in the object set are After the packet processing action of the instance has been processed, the gateway user plane entity completes processing the packet.
  • each object corresponds to a business function object
  • each object corresponds to an object instance
  • the object instance is an instance of a message operation object. Therefore, due to different objects, the message processing actions associated with different objects are also different.
  • the packet processing action associated with the object may include: Encapsulate packet processing action, Decapsulate packet processing action, and Remark report. Text processing action.
  • the message processing action associated with the object may include: Remark message processing action.
  • the difference between the above method and the other solution is that each object is different, and the packet processing actions associated with each object are different. Therefore, the gateway user plane entity processes the message according to the packet processing action associated with the different object. The text is processed, and the implemented gateway functions are different.
  • the message processing actions associated with different instances of the same message operation object may include: a Remark message processing action, and the message processing action associated with the second instance of the Bearer object may be Including: Charge's message processing action.
  • the message operation object includes any one of a link operation object such as a link object, a bearer object, and a flow object.
  • a link operation object such as a link object, a bearer object, and a flow object.
  • an object set includes: three objects, such as a Link object, a Bearer object, and a Flow object.
  • the Link object has one instance
  • the Bearer object has two instances, that is, the first instance of the Bearer object and the second instance of the Bearer object
  • the Flow object has one instance.
  • the indication information of the object set includes indication information of a message processing action associated with the instance of each object.
  • the indication information of the message processing action associated with the instance of each object may include: a name of the object and a name of a message processing action associated with the instance of each object, such as Link.Decapsulate, Bearer0.Remark , Bearer1.Charge, Flow.Car, and Flow.Shaping.
  • the indication information of the object set further includes: indication information of the order of the object instance, such as Link.Decapsulate->Bearer0.Remark->Flow.Car->Flow.Shaping->Bearer1.Charge.
  • FIG. 12 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity according to Embodiment 3 of the present invention.
  • the gateway user plane entity may determine the object set according to the indication information of the object set.
  • the message processing action associated with the instance of each object, and the message processing order corresponding to the instance of each object in the object set results in a set of objects of the gateway user plane entity as shown in FIG.
  • the Link object instance includes: a packet processing action of the Decapsulate; the first instance of the Bearer object includes a Remark packet processing action; and the Flow object instance may include a Car packet processing action and a Shaping packet processing action; Bearer The second instance of the object may include: a message processing action of the Charge.
  • the gateway user plane entity may sequentially adopt the packet processing action associated with the instance of the Link object and the packet processing action associated with the first instance of the Bearer object according to the packet operation sequence corresponding to each object instance of the object set; Each message processing action of the instance of the object and the message processing action associated with the second instance of the Bearer object process the message.
  • the method for processing a packet according to the third embodiment of the present invention further describes the method in the foregoing embodiment by using a solution of a different object instance corresponding to each object in the object set, so that the gateway user plane entity can process the packet.
  • the accuracy is better, so that the integration of multiple gateway functions in the gateway user plane entity is better realized, and the deployment of new services is more flexible and faster.
  • Embodiment 4 of the present invention further provides a packet processing method.
  • each object may correspond to an instance of a message operation object; an instance of the one message operation object includes a message processing action.
  • FIG. 13 is a schematic structural diagram of a gateway control plane entity and a gateway user plane entity according to Embodiment 4 of the present invention.
  • the object set includes three message operation objects: a Link object, a Bearer object, and a Flow object.
  • Each object corresponds to an instance, that is, the object set can correspond to a Link object instance, a Bearer object instance, and a Flow object instance.
  • the Link object instance includes: Decapsulate packet processing action; the Bearer object instance includes Remark packet processing action and Charge message processing action.
  • the Flow object instance may include a message processing action of the Car and a message processing action of the Shaping.
  • the Bearer object instance since the different message processing actions in the Bearer object instance need to be performed in different steps, the Bearer object instance further includes a message matching action of the action matching (OperationMatch).
  • the gateway user plane entity can perform the message processing action of the OperationMatch to determine whether the packet processing action to be performed in the Bearer object instance is a Remark packet processing action or a Charge packet processing action.
  • FIG. 14 is a flowchart of a packet processing method according to Embodiment 4 of the present invention.
  • Figure 14 will be described in conjunction with Figure 13.
  • the gateway user plane entity concentrates each pair according to the object set.
  • the processing of the packet such as the corresponding packet processing action, may include:
  • the gateway user plane entity determines, according to a count label (ProIndex) value in the packet, a packet processing action associated with an instance of an object in the object set.
  • ProIndex count label
  • the count tag value can be a preset integer value, and the one object is the first object in the object set.
  • the first object may be the Link object in FIG. 13, and the preset integer value may be an integer 0.
  • the preset integer value may be referred to as an initial count tag value.
  • Different objects in the object set respectively have different count tag values. Further, different message processing actions in the same object may correspond to different count tag values. If the preset integer value is 0, and the count label value is 1, the object that contains the current packet processing action to be performed on the packet is a Bearer object, and the current packet processing action to be performed on the packet may be Bearer.
  • the message processing action matched by the action of the object instance, the gateway user plane entity may determine the Remark message processing action by executing the message processing action of the OperationMatch.
  • the object that includes the current packet processing action to be performed on the packet may be a Flow object, and the current packet processing action to be performed on the packet may be The Car packet processing action and the Shaping packet processing action of the Flow object instance.
  • the gateway user plane entity may determine, according to the counting label in the packet, a packet processing action associated with the object instance required for processing the packet, and then process the packet. .
  • the gateway user plane entity processes the packet according to the determined packet processing action, and obtains the processed packet; the counted label value in the processed packet is the updated count label value; and the updated The count tag value is a value obtained by adding one value to the count tag value before the update.
  • the pre-processing count tag value is a preset integer value 0, and the object determined in step S1401 is the first object in the object set as an example.
  • the gateway user plane entity can process the packet according to the packet processing action associated with the instance of the first object, that is, the DeCap packet processing action of the instance of the Link object, and obtain the processed packet, and the processed packet is processed.
  • the value of the count tag in the message is the updated count tag value.
  • the updated count tag value is a preset integer value of 0 plus 1, that is, the updated count tag value is equal to 1.
  • the gateway user plane entity determines whether the updated count label value has a corresponding object instance.
  • the user plane entity root The message is processed according to the packet processing action associated with the object instance corresponding to the updated count tag value.
  • the gateway user plane entity may determine a message processing action associated with the object instance corresponding to the updated count tag value, and the message processing action of the OperationMatch of the Bearer object instance.
  • the Remark message processing action can be determined by executing the message processing action of the OperationMatch, and then the message is processed according to the Remark message processing action of the Bearer object instance.
  • the gateway user plane entity can process the packet according to the Remark packet processing action of the Bearer object instance, and the count label value in the packet is updated to 2.
  • the gateway user plane entity may determine, according to the updated count tag value 2, that the packet processing action associated with the object instance is a Car and Shaping packet processing action of the Flow object instance, and sequentially according to the flow.
  • the Car and Shaping message processing actions of the object instance process the message and update the count tag value to 3.
  • the gateway user plane entity may determine that the message processing action associated with the object instance is the message processing action of the OperationMatch of the Bearer object instance, and determine the Charge message by executing the message processing action of the OperationMatch.
  • the message processing action is performed, and the message is processed according to the Charge message processing action of the Bearer object instance, and the count tag value is updated to 4.
  • the gateway user plane entity may determine that the object set does not have the packet processing action associated with the object instance corresponding to the count tag value 4, and the gateway user plane entity includes the count tag value 4
  • the packet is forwarded, that is, sent to the downstream device of the gateway user plane entity.
  • the initial value of the counter tag value may also be other preset integer values.
  • the preset integer value 0 in the foregoing embodiment is merely an example and is not intended to limit the present invention. If the initial value of the counter tag value is another preset integer value, the specific implementation process is similar to the foregoing embodiment, and details are not described herein again.
  • FIG. 15 is a flowchart of another packet processing method according to Embodiment 4 of the present invention.
  • FIG. 16 is a schematic structural diagram of another gateway control plane entity and a gateway user plane entity according to Embodiment 4 of the present invention.
  • Figure 15 will be described in conjunction with Figure 16.
  • the object set includes: a Link object, a Bearer object, a Flow object, and three message operation objects.
  • Each object corresponds to an instance, that is, the object set can correspond to a Link object instance, a Bearer object instance, and a Flow object instance.
  • the Link object instance includes: a packet processing action of Decapsulate; the Bearer object instance includes OperationMatch's message processing action, Remark's message processing action, and Charge's message processing action.
  • the Flow object instance may include a message processing action of the Car and a message processing action of the Shaping.
  • the method is performed by the gateway user plane entity in the foregoing third embodiment according to the packet processing action corresponding to the object in the object set, and the packet processing may include:
  • the gateway user plane entity processes the packet according to the packet processing action associated with the instance of the first object, and obtains the processed packet; the processed packet includes an instance ID of the first object, where The first object is the object in the object set.
  • the gateway user plane entity determines, according to the ID of the first object instance, whether the object set has a second object, and the second object is a next object of the first object in the object set.
  • the object set has the second object, and the gateway user plane entity uses the second object as the first object.
  • the object set has the second object, and the gateway user plane entity further needs to continue to execute S1501 and S1502.
  • the processed message includes: the ID of the first object instance.
  • the number of times the packet processing of the object instance is processed may be the number of times the gateway user plane entity needs to process the packet according to the object instance.
  • the processed message includes: an ID of the first object instance and a count label value;
  • the count tag value can be a preset integer value.
  • the processed message includes: the first object The ID of the instance.
  • the processed object includes: an ID of the first object instance and a count label value, and the count label value is a count label value in the pre-process message.
  • the subsequent message includes: an ID of the first object instance and a count tag value; the count tag value may be a preset integer value.
  • the processed The message includes: an ID of the first object instance and a count label value; the count label value can be obtained according to the count label update in the pre-process message.
  • the processed message may be S1501 for the gateway user plane entity, according to the Link object instance.
  • the message of DeCap's message processing action is processed. If the gateway user plane entity determines that the first object is the first object in the object set by executing S1502, and the number of packet processing times of the Link object instance is 1, the gateway user entity may obtain the processed report by executing S1501.
  • the text includes: the ID of the first object instance, that is, the ID of the Link object instance.
  • the gateway user plane entity may determine, according to the ID of the Link object instance, the next object of the Link object, that is, the Bearer object, as the second object, and sequentially determine an instance of the second object by executing S1503, S1501.
  • the associated packet processing action is a packet processing action associated with the Bearer object instance, that is, a message processing action of the OperationMatch, and the action is matched according to the message processing action of the OperationMatch, and the Remark message processing action is determined. Then, according to the Remark message processing action, the message is processed to obtain the processed message.
  • the processed message may include: an ID of the Bearer object instance and a count tag value; the count tag value may be 1. It should be noted that the gateway user plane entity performs an action matching on the packet according to the message processing action of the OperationMatch in the Bearer object, and may perform matching according to the packet and the preset packet processing action, thereby determining The message processing action that needs to process the message.
  • the gateway user plane entity continues to execute the S1502, and determines the next object of the Bearer object, that is, the Flow object, according to the ID of the Bearer object instance, and sequentially performs the message processing action report according to the Flow object instance by executing S1503 and S1501.
  • the text is processed to obtain the processed message. If the Flow object is not the first object in the object set, the number of packets processed by the Flow object instance is 1. Due to the object before the Flow object, such as the message of the Bearer object instance If the number of processing times is greater than 1, the packet that can be processed by the gateway user plane entity may include the ID of the Flow object instance and the count label value 1.
  • the gateway user plane entity continues to perform the S1502, determines the next object of the Flow object according to the ID of the Flow object instance, that is, the Bearer object, and sequentially determines, by executing S1503 and S1501, that the packet processing action associated with the Bearer object instance is OperationMatch.
  • the message processing action is performed, and the action of the message is matched according to the message processing action of OperationMatch, and the action of the tag message is determined, and then the message is processed according to the action of the tag message, and the processed message is obtained.
  • the processed message of the gateway user plane entity may include: the ID of the Bearer object instance and the count label. The value is 2.
  • the gateway user plane entity executes S1502 here, according to the ID of the Bearer object instance, it is determined that the Bearer object does not have the next object, and the gateway user plane entity exits to execute the packet processing method.
  • the message processing method provided by the fourth embodiment of the present invention can improve the accuracy of the message processing by the gateway user plane entity by providing multiple implementations in a scenario in which an object in the object set includes an instance of a packet operation object. Better, so that the integration of multiple gateway functions in the gateway user plane entity is better realized, making the deployment of new services more flexible and faster.
  • Embodiment 5 of the present invention further provides a packet processing method.
  • the control information includes: indication information of the template; the template includes an action set, or a set of objects; wherein the one action set includes: at least one message processing action; the one object set includes: at least one Objects, each object including: at least one message processing action.
  • the indication information of the template may include: action set indication information, or object set indication information.
  • the indication information of each template may be represented by, for example, the name of each template.
  • FIG. 17 is a flowchart of a packet processing method according to Embodiment 5 of the present invention.
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the control information, and may include:
  • the gateway user plane entity determines the template according to the indication information of the template.
  • the gateway user plane entity may, for example, determine the template according to the identifier of the template in the indication information of the template.
  • the gateway user plane entity processes the packet according to the packet processing action corresponding to the template.
  • the message processing action in the template may include: a message processing action included in any one of the action set or the object set included in the template.
  • the template may be a Service GataWay User Template (S-GW-U-Temp).
  • S-GW-U-Temp template may include, for example, an action set consisting of four packet processing actions: ReceivePacket, Decapsulate, Car, and Encapsulate.
  • the gateway control plane entity sends the control information to the gateway user plane entity in the foregoing S302, which may include:
  • the gateway control plane entity sends the control information to the gateway user plane entity through a preset transmission tunnel.
  • the gateway control plane entity may process the control information according to a protocol corresponding to the transmission channel, and send the control information through the transmission channel.
  • the transmission tunnel may be, for example, a General Packet Radio Service Tunnel Protocol (GTP) tunnel, and the protocol corresponding to the transmission tunnel may be GTP. Therefore, the gateway control plane entity can process the control information according to the GTP and send the GTP tunnel to the gateway user plane entity.
  • the gateway control plane entity may, for example, use a GTP tunnel to send the control information to the gateway user plane entity through the S18 interface.
  • the control information includes indication information of each template, and each template may include an action set composed of at least one message processing action, or at least one object.
  • An object set that is, the gateway control plane entity may also use an action set or an object set as an action template, and send the indication information of the template to the gateway user plane entity, thereby providing various indication manners of control information.
  • Embodiment 6 of the present invention further provides a gateway user plane entity.
  • FIG. 18 is a schematic structural diagram of a gateway user plane entity according to Embodiment 6 of the present invention. As shown in FIG. 18, the gateway user plane entity 1800 can include a receiving module 1801, a determining module 1802, and a processing module 1803.
  • the receiving module 1801 can be implemented by a receiver, and the determining module 1802 and the processing module 1803 can be implemented by a processor.
  • the processor can be a central processing unit (CPU) or other general purpose processor, digital signal processor (Digital Signal) Processing, referred to as DSP), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware Components, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the receiving module 1801 is configured to receive control information sent by the gateway control plane entity.
  • a determining module 1802 configured to determine, according to the control information, a message processing action corresponding to the control information
  • the processing module 1803 is configured to process the packet according to the packet processing action corresponding to the control information.
  • control information includes action set indication information, where the action set includes at least one message processing action; and the action set indication information includes an identifier of the at least one message processing action.
  • the determining module 1802 is further configured to determine the at least one message processing action according to the action set indication information.
  • the processing module 1803 is further configured to process the packet according to the at least one packet processing action.
  • control information further includes sequence indication information, where the sequence indication information is used to indicate an execution order of the at least one message processing action.
  • control information further includes object set indication information, where the object set indication information includes an identifier of the at least one object, wherein each object is associated with at least one message processing action in the message processing action.
  • the object is a service function object
  • the service function object is associated with a message processing action corresponding to a preset gateway function.
  • the object is a message operation object, and each message operation object includes an instance, wherein each instance is associated with at least one message processing action in the message processing action; the message includes a count label value;
  • the determining module 1802 is further configured to determine, according to the counting tag value, a message processing action associated with an instance of an object in the object set.
  • the processing module 1803 is further configured to process the packet according to the determined packet processing action to obtain the processed packet; and the counted label value in the processed packet is updated by updating the counted label value.
  • the determining module 1802 is further configured to determine whether the updated count tag value has a corresponding object instance.
  • the processing module 1803 is further configured to: if the updated counter tag value has a corresponding object instance, process the packet according to the packet processing action associated with the object instance corresponding to the updated counter tag value.
  • the object is a message operation object, and each message operation object includes an instance, wherein each instance is associated with at least one message processing action in the message processing action.
  • the processing module 1803 is further configured to process the packet according to the packet processing action associated with the instance of the first object in the object set, and obtain the processed packet, where the processed packet includes an instance of the first object. ID, the first object is an object in the object set.
  • the determining module 1802 is further configured to determine, according to the ID of the first object instance, whether the object set has a second object; the second object is a next object of the first object in the object set; if the object set has the second object The object, the second object is processed as the first object.
  • the gateway user plane entity provided in Embodiment 6 of the present invention can be used to perform the packet processing method performed by the gateway user plane entity according to any of the foregoing embodiments.
  • the beneficial effects are similar to those in the foregoing embodiment, and details are not described herein again.
  • Embodiment 7 of the present invention further provides a gateway control plane entity.
  • FIG. 19 is a schematic structural diagram of a gateway control plane entity according to Embodiment 7 of the present invention. As shown in FIG. 19, the gateway control plane entity 1900 can include a determining module 1901 and a sending module 1902.
  • the determining module 1901 can be implemented by a processor, and the sending module 1902 can be implemented by a transmitter.
  • the processor can be a CPU or other general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • a determining module 1901 configured to determine control information according to the type information of the UE, where the control information is used to instruct the gateway user plane entity to determine a packet processing action corresponding to the control information;
  • the sending module 1902 is configured to send the control information to the gateway user plane entity.
  • control information includes: action set indication information; the action set indication information is used to indicate that the gateway user plane entity determines the action set, and the action set includes at least one message processing action; the action set indication information An identifier including the at least one message processing action.
  • control information further includes: sequence indication information; the sequence indication information is used to indicate The execution order of the at least one message processing action.
  • control information further includes: object set indication information; the object set includes: at least one object; wherein each object is associated with at least one message processing action in the message processing action; the object set indication The information includes an identification of the at least one object.
  • the type information of the UE includes: at least one of an access type of the UE, and a service function type of the UE.
  • the gateway control plane entity provided in Embodiment 7 of the present invention can be used to perform the packet processing method performed by the gateway control plane entity in any of the foregoing embodiments, and the beneficial effects are similar to those in the foregoing embodiment, and details are not described herein again.
  • Embodiment 8 of the present invention also provides a gateway.
  • FIG. 20 is a schematic structural diagram of a gateway according to Embodiment 8 of the present invention.
  • the gateway 2000 may include a gateway user plane entity 2001 and a gateway control plane entity 2002.
  • the gateway user plane entity 2001 is connected to the gateway control plane entity 2002; the gateway user plane entity 2001 is any gateway user plane entity described in the foregoing embodiment; and the gateway control plane entity 2002 is any gateway control described in the foregoing embodiment. Face entity
  • the gateway provided in Embodiment 8 of the present invention may include the gateway user plane entity and the gateway control plane entity provided in the foregoing embodiment, and may be used to perform the packet processing method according to any of the foregoing embodiments, and the beneficial effects are similar to the foregoing embodiment. I will not repeat them here.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Un mode de réalisation de la présente invention concerne un procédé de traitement de paquets, une entité de plan d'utilisateur de passerelle, une entité de plan de commande de passerelle et une passerelle. Le procédé de traitement de paquets selon la présente invention comprend : l'entité de plan d'utilisateur de passerelle reçoit des informations de commande émises par l'entité de plan de commande de passerelle ; l'entité de plan d' utilisateur de passerelle détermine, conformément aux informations de commande, une action de traitement de paquets correspondant aux informations de commande, et exécute un traitement de paquets conformément à l'action de traitement de paquets correspondant aux informations de commande. Le mode de réalisation de la présente invention peut simplifier les architectures de réseau.
PCT/CN2015/099875 2015-12-30 2015-12-30 Procédé de traitement de paquets, entité de plan d'utilisateur de passerelle, entité de plan de commande de passerelle et passerelle WO2017113193A1 (fr)

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PCT/CN2015/099875 WO2017113193A1 (fr) 2015-12-30 2015-12-30 Procédé de traitement de paquets, entité de plan d'utilisateur de passerelle, entité de plan de commande de passerelle et passerelle

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179160A2 (fr) * 2012-05-31 2013-12-05 Telefonaktiebolaget L M Ericsson (Publ) Fonctions de transport et de commande regroupées dans un réseau lte 3gpp
CN103916453A (zh) * 2012-12-31 2014-07-09 瞻博网络公司 使用外部部件的动态网络设备处理
CN105071976A (zh) * 2015-09-08 2015-11-18 安一恒通（北京）科技有限公司 数据传输方法和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013179160A2 (fr) * 2012-05-31 2013-12-05 Telefonaktiebolaget L M Ericsson (Publ) Fonctions de transport et de commande regroupées dans un réseau lte 3gpp
CN103916453A (zh) * 2012-12-31 2014-07-09 瞻博网络公司 使用外部部件的动态网络设备处理
CN105071976A (zh) * 2015-09-08 2015-11-18 安一恒通（北京）科技有限公司 数据传输方法和装置

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