WO2014179928A1

WO2014179928A1 - Flow control method and apparatus of operator sharing network

Info

Publication number: WO2014179928A1
Application number: PCT/CN2013/075214
Authority: WO
Inventors: 汤斌淞; 张宏卓
Original assignee: 华为技术有限公司
Priority date: 2013-05-06
Filing date: 2013-05-06
Publication date: 2014-11-13
Also published as: CN104303473A; CN104303473B

Abstract

Embodiments of the present invention provide a flow control method and apparatus of an operator sharing network. The method comprises: (101) obtaining current load information and a load threshold of a public land mobile network (PLMN) of a session of a user equipment (UE) under a serving gateway (SGW); and (102) controlling load balance of the PLMN under the SGW according to service flow information of the session, the current load information of the PLMN under the SGW and the load threshold of the PLMN under the SGW. By controlling load balance of a PLMN under a SGW according to a service flow of a session, current load of the PLMN under the SGW and a load threshold of the PLMN under the SGW, the resource overload of an operator under the SGW is avoided.

Description

Traffic control method and device for carrier shared network

The present invention relates to the field of communications, and more particularly to a flow control method and apparatus for an operator shared network. Background technique

With the development of mobile communication technologies, operators have proposed a new network sharing business model, which is referred to herein as enhanced network sharing. For example, the radio access network constructed by the operator X is leased to the core network operators A, B and C by a lease method, and each core network operator rents a certain capacity share of the shared network. For example, A and B each rent 30%, and C rents the remaining 40%.

In the prior art, the UE can be switched to load balancing by the base station X2 to control the air interface resource share of an operator on the base station of an area. However, under a certain service gateway (SGW), there may be an overload of resources of an operator. Summary of the invention

The embodiments of the present invention provide a traffic control method and device for an operator shared network, which can implement load balancing of resources according to an operator share in the SGW.

In a first aspect, a traffic control method for an operator shared network is provided. The method includes: acquiring current load information and a load threshold of a public land mobile network PLMN to which a user equipment session belongs to a serving gateway; The traffic information, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway control load balancing of the PLMN under the serving gateway.

In a first possible implementation, in combination with the first aspect, the specific implementation is: the load threshold of the PLMN in the serving gateway is a predetermined threshold or a threshold adjusted according to an operation policy.

In a second possible implementation manner, in combination with the first aspect or the first possible implementation manner of the first aspect, the current load information of the public land mobile network PLMN to which the session of the user equipment belongs is located in the serving gateway is specifically implemented as The service gateway receives the establishment request of the session sent by the MME, and the establishment request of the session carries the identification information of the PLMN, and the service gateway acquires the current load information of the PLMN according to the identification information of the PLMN.

In a third possible implementation manner, in combination with the second possible implementation manner of the first aspect, The load balancing of the PLMN under the serving gateway is controlled according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway. The service gateway is configured according to the service of the session. The traffic information, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway determine whether to allow the bearer of the session to be established under the serving gateway.

In a fourth possible implementation manner, in combination with the third possible implementation manner of the first aspect, the serving gateway, according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the PLMN under the serving gateway The load threshold determines whether the bearer that allows the session to be established under the serving gateway is specifically implemented as follows: if the traffic of the session and the current load of the PLMN under the serving gateway are less than the load threshold of the PLMN under the serving gateway, the service is implemented. The gateway sends a setup confirmation message of the session to the MME, so that the MME establishes a bearer of the session; or if the traffic of the session and the current load of the PLMN under the serving gateway are greater than a load threshold of the PLMN under the serving gateway, The serving gateway sends a setup reject message for the session to the MME for the MME to reselect the serving gateway to send a setup request for the session.

In a fifth possible implementation, in combination with the second possible implementation of the first aspect, to any one of the possible implementations of the fourth possible implementation of the first aspect, the method further includes: if If the PLMN exceeds the traffic of the serving gateway, the serving gateway sends the indication information of the PLMN traffic overrun to the MME, so that the MME switches at least one session of the PLMN connected to the serving gateway to the service gateway. Service gateway.

In a sixth possible implementation, in combination with the first aspect or the first possible implementation manner of the first aspect, the current load information of the public land mobile network PLMN to which the session of the user equipment belongs is located in the serving gateway is specifically implemented as The MME receives the current load information of the PLMN sent by the at least one serving gateway; or the MME receives the load information sent by the server according to the load query request of the MME, where the load information includes the current status of the PLMN recorded under the at least one serving gateway of the server. Load information.

In a seventh possible implementation manner, in combination with the sixth possible implementation manner of the first aspect, the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load of the PLMN under the serving gateway Threshold control The load balancing of the PLMN under the serving gateway is implemented as follows: the MME is configured according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway from the at least one service. Selecting a service gateway in the gateway that meets the traffic demand of the session, and the service flow conforming to the session The demanding service gateway sends a setup request for the session to establish a bearer for the session. In a second aspect, a service gateway is provided, including: a receiving unit, configured to receive session establishment request information sent by a mobility management entity MME, where the session establishment request information includes identifier information of a public land mobile network PLMN to which the session belongs The service flow information of the session, the determining unit, configured to determine, according to the load threshold of the PLMN, the current load information of the PLMN, and the service traffic information of the session, the feedback information of the session establishment request, where the feedback information includes the establishment of the session The confirmation information or the establishment rejection information of the session; the sending unit, configured to send the feedback information to the MME.

In a first possible implementation, in combination with the second aspect, the specific implementation is: if the service traffic of the session and the current load of the PLMN under the serving gateway are smaller than the load threshold of the PLMN under the serving gateway, the determining unit Determining a setup confirmation message for the session to indicate that the MME establishes a bearer for the session; or determining if the traffic of the session and the current load of the PLMN under the serving gateway are greater than a load threshold of the PLMN under the serving gateway The unit is configured to determine a setup reject message for the session to instruct the MME to reselect the serving gateway to send a setup request for the session.

In a second possible implementation manner, in combination with the second aspect or the first possible implementation manner of the second aspect, the specific implementation is: if the PLMN is out of traffic of the serving gateway, the sending unit is further used to: The indication information of the PLMN traffic overrun is sent to the MME, so that the MME switches at least one session of the PLMN connected to the serving gateway to a serving gateway other than the serving gateway.

In a third aspect, a mobility management entity device is provided, including: a receiving unit, configured to receive current load information and a load threshold of a public land mobile network PLMN under at least one serving gateway; and a selecting unit, configured to use the PLMN according to the session The current load information, the load threshold, and the service traffic information of the session in the at least one serving gateway, selecting, from the at least one serving gateway, a serving gateway that meets the traffic demand requirement of the session; and sending, for the The service gateway of the session's service traffic needs to send a setup request for the session.

In a first possible implementation, in combination with the third aspect, the specific implementation is: The current load information and the load threshold of the PLMN under the at least one serving gateway are actively sent by the at least one serving gateway.

In a second possible implementation, in combination with the third aspect, the sending unit is further configured to: send, by the sending unit, a first load query request to the at least one serving gateway, so that the receiving unit receives Current load information and load threshold of the PLMN under the at least one month of the service gateway.

In a third possible implementation, in combination with the third aspect, the specific implementation is: the sending unit is further configured to send a second load query request to the server, so that the receiving unit receives current load information of the PLMN under the at least one serving gateway. And a load threshold, wherein the server records current load information and load thresholds of each PLMN under the at least one serving gateway. DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only the present invention. For some embodiments, other drawings may be obtained from those of ordinary skill in the art without departing from the drawings.

FIG. 1 is a flowchart of a flow control method for an operator shared network according to an embodiment of the present invention.

2 is a flow chart of interaction of a traffic control method for an operator shared network according to an embodiment of the present invention. FIG. 3 is another interaction flow diagram of a flow control method for an operator shared network according to an embodiment of the present invention.

FIG. 4 is another interaction flow diagram of a flow control method for an operator shared network according to an embodiment of the present invention.

FIG. 5 is another interaction flow diagram of a flow control method for an operator shared network according to an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a service gateway according to an embodiment of the present invention.

FIG. 7 is another schematic structural diagram of a mobility management entity device according to an embodiment of the present invention.

FIG. 8 is another schematic structural diagram of a service gateway according to an embodiment of the present invention.

FIG. 9 is a schematic structural diagram of a mobility management entity device according to an embodiment of the present invention. detailed description

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

The technical solution of the present invention can be applied to various communication systems, such as: Global System of Mobile Communication (GSM), Code Division Multiple Access (CDMA, Code Division Multiple Access (WCDMA), Wideband Code Division Multiple Access (WCDMA), General Packet Radio Service (GPRS), Long Term Evolution (LTE), etc.

The base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE. The present invention is not limited, but for convenience of description, the following embodiments are described by taking an eNB as an example.

1 is a flowchart of a flow control method for an operator shared network according to an embodiment of the present invention. The method of FIG. 1 is performed by a Mobility Management Entity (MME).

101. Obtain a public land mobile network to which the session of the user equipment belongs (Public Land)

Mobility Network, PLMN) Current load information and load threshold under the service gateway.

In a country or region, a carrier's cellular mobile communication network is called a PLMN. PLMN is a network established and operated by the government or its approved operators to provide the public with the purpose of land mobile communications services. The network can be interconnected with other communication networks such as the Public Swithed Telephone Network (PSTN) to form a regional or national-scale communication network. At present, since there is one type of cellular mobile communication network corresponding to a service, in the embodiment of the present invention, the PLMN can be considered as an operator.

102. Control, according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway, the load balancing of the PLMN under the serving gateway.

The load threshold of the PLMN refers to the threshold of the traffic that the PLMN is allowed to use in the serving gateway.

In the embodiment of the present invention, the load balancing of the PLMN under the serving gateway is controlled according to the service traffic of the session, the current load of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway, thereby avoiding resources of the operator under the serving gateway. overload.

Optionally, the load threshold of the PLMN at the serving gateway is a predetermined threshold or a threshold adjusted according to an operation policy. The operation strategy can be a control strategy of the bandwidth share, or an adjustment strategy based on the temporary needs of each operator. Of course, other circumstances that may cause the share to change are not excluded.

It may be necessary to allocate a certain network bandwidth share for operators C and D in the communication network operated by operator A, and assume that at least operators 3, 2 and 3 are managed under operator A. Transport Business A is the network bandwidth share configured by operators C and D. It can be that all service gateways share the same share ratio, and different service gateways can be assigned different share proportions. For example, operators B, C, and D are Service gateways 1, 2 and 3 are 40%, 30%, 30%, or operators C and D are 40%, 30%, 30% at service gateway 1, and 30%, 35%, 35 at service gateway 2 %, at service gateway 3 is 20%, 30%, 50%. In addition, the operator A can flexibly adjust the share of each operator in the service gateway according to the control strategy of the bandwidth share.

Optionally, as an embodiment, acquiring the current load information of the public land mobile network PLMN to which the session of the user equipment belongs to the serving gateway may include: the serving gateway receiving the establishment request of the session sent by the MME, the establishment request of the session Carrying the identification information of the PLMN, the serving gateway acquires the current load information of the PLMN according to the identification information of the PLMN.

The identification information of the PLMN to which the session belongs may be information for distinguishing different PLMNs, for example, a PLMN name, an ID number of the PLMN, a number, and the like, and the present invention is not limited thereto.

Further, the session establishment request may further carry service flow information of the session.

Further, controlling the load balancing of the PLMN under the serving gateway according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway may include: the service network according to the session The service traffic information, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway determine whether to allow the bearer of the session to be established under the serving gateway.

Further, determining, by the serving gateway, whether to allow the bearer to establish the session under the serving gateway according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway may include: If the service traffic of the session and the current load of the PLMN under the serving gateway are smaller than the load threshold of the PLMN under the serving gateway, the serving gateway sends a setup confirmation message of the session to the MME, so that the MME establishes 7 sessions of the session; Or, if the traffic of the session and the current load of the PLMN under the serving gateway are greater than the load threshold of the PLMN under the serving gateway, the serving gateway sends a setup reject message of the session to the MME, so that the MME reselects the serving gateway. To send a setup request for the session.

Optionally, as an embodiment, the method may further include: if the traffic of the PLMN at the serving gateway is exceeded, the serving gateway sends an indication that the PLMN traffic exceeds the limit, so that the MME is connected to At least one session of the PLMN of the serving gateway switches to another serving gateway other than the serving gateway. Further, the MME may switch the at least one session to the outside of the serving gateway by using a location area update process or a handover procedure of the user equipment to which the session belongs. It serves the gateway to implement the service redirection of the user equipment to which the session belongs.

Optionally, as another embodiment, acquiring the current load information of the public land mobile network PLMN to which the user equipment session belongs to the serving gateway may include: receiving, by the MME, current load information of the PLMN sent by the at least one serving gateway; or The MME receives load information sent by the server according to the load query request of the MME, and the load information includes current load information of the PLMN recorded under the at least one serving gateway of the server.

Further, controlling the load balancing of the PLMN under the serving gateway according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway may include: the MME according to the session The service traffic information, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway select a serving gateway that meets the load threshold requirement of the PLMN from the at least one serving gateway, and send the session to Create a request.

Specific embodiments of the present invention are described in more detail below with reference to specific examples.

2 is a flow chart of interaction of a traffic control method for an operator shared network according to an embodiment of the present invention.

201. The UE sends an attach request to the MME by using the eNB.

202. The MME sends a security authentication request to the home subscriber server (HSS) according to the UE attach request.

203. The HSS sends a security authentication feedback message according to the security authentication request.

204: When the security authentication feedback message indicates that the security authentication is passed, the MME passes the security authentication of the UE.

205. The UE initiates a location area update process.

The foregoing steps 201-205 belong to the prior art, and the embodiments of the present invention are not described in detail herein.

206. The MME sends a session establishment request to a serving gateway (SGW) according to the user's attach request. The session establishment request carries the identifier information of the operator to which the session belongs and the service flow information of the session. The identification information of the operator may be the name of the operator, the code, or other information that can identify the operator to which the session belongs. The present invention is not limited herein.

207. The SGW obtains a load threshold and current load information of the operator to which the session belongs according to the session establishment request, and determines whether to allow session establishment according to the service flow information of the current session. The relationship between the service traffic of the session and the current load of the operator and the load threshold of the operator can be determined to determine whether establishing the current session may cause the service traffic of the operator to exceed the limit. If built If the current session does not cause the service traffic of the operator to exceed the load threshold, the establishment of the bearer corresponding to the session is accepted, and a session establishment confirmation message is sent to the MME.

208. The UE initiates an RRC establishment reconfiguration process.

209, Attachment procedure (refer to 3GPP TS 23.401 5.3, 2).

Step 208 and step 209 are also related to the prior art, and the present invention will not be described in detail herein. In the embodiment of the present invention, the MME sends the service information of the user to the service gateway and the service traffic information of the session, so that the service gateway can determine whether to establish a user session according to the load condition of the operator, thereby realizing the share of the operator in the service gateway. Load balancing.

FIG. 3 is another interaction flow diagram of a flow control method for an operator shared network according to an embodiment of the present invention.

The steps 301-306 are similar to the steps 201-206 of FIG. 2, and the embodiments of the present invention are not described in detail herein.

307. The SGW1 obtains a load threshold and current load information of the operator to which the session belongs according to the session establishment request, and determines whether the session establishment is allowed according to the service flow information of the current session. The relationship between the service traffic of the session and the current load of the operator and the load threshold of the operator can be determined to determine whether the establishment of the current session may cause the service traffic of the operator to exceed the limit. If the establishment of the session causes the service traffic of the operator to exceed the load threshold, the establishment of the bearer corresponding to the current session is rejected, and a session establishment rejection message is sent to the MME.

308. After receiving the session establishment reject message, the MME sends a session establishment request to the SGW2. The SGW2 is a serving gateway different from the SGW1, and the MME sends the session establishment request to the SGW2, which is similar to the step of sending the session establishment request to the serving gateway for the first time, and the details are not described in detail herein.

In the embodiment of the present invention, after receiving the session establishment request rejection message of the serving gateway, the MME may reselect the serving gateway to establish a session request.

401. The UE sends an attach request to the MME by using the eNB.

402. The serving gateway sends, to the MME, current load information and a load threshold of each PLMN under the serving gateway.

The serving gateway sends the load related information such as the current load information and the load threshold of each PLMN in the serving gateway to the MME. In the case where the load threshold does not change, the load threshold only needs to be It is sent when the load related information is sent for the first time, and the current load information needs to be sent every time the load related information is sent. Optionally, the serving gateway may actively send load related information to the MME, for example, periodically send load related information to the MME. Alternatively, optionally, the serving gateway may send the load related information to the MME according to the load query request sent by the MME.

In addition, if the serving gateway actively sends load related information to the MME, step 401 and step 402 have no temporal relationship. However, if the serving gateway sends load related information to the MME according to the load query request sent by the MME, step 402 is after step 401.

403. The MME selects the SGW1 according to the current load information of the PLMN to which the session belongs, the load threshold, and the service traffic information of the session. The unshared bandwidth share of the PLMN to which the session belongs in the SGW1 meets the service traffic requirement of the session.

The MME selects a serving gateway that meets the service traffic requirements of the session according to the received load related information. The unallocated bandwidth share (load threshold - current load) of the PLMN in the serving gateway is greater than or equal to the traffic of the session. In Figure 4, it may be assumed that SGW1 is a service gateway that meets the traffic requirements of the session.

404. The MME sends a session establishment request to the SGW1.

405. SGW1 sends a setup confirmation message to the MME.

Step 404 and step 405 are the content of the prior art, and the embodiments of the present invention are not described in detail herein.

501. The UE sends an attach request to the MME by using the eNB.

502. The service gateway sends a current load information and a load threshold of each PLMN under the serving gateway to a dynamic host configuration protocol (DHCP) server.

The load-related information of the at least one serving gateway is recorded on the DCHP server, where the load-related information includes current load information and a load threshold of each PLMN under the serving gateway.

It should be understood that there may be other servers in place of the DHCP server in the embodiment of the present invention, which is used to record the current load information and the load threshold of each PLMN under each service gateway, which is not limited herein.

It should be noted that step 501 and step 502 do not have a temporal relationship.

503. The MME sends a load query request to the DHCP server. The MME initiates a load query request to the DHCP server according to the attach request of the UE, so as to obtain the current load information and the load threshold of the PLMN under each service gateway.

504. The DHCP server sends, to the MME, current load information and a load threshold of the PLMN to which the session under the at least one serving gateway belongs.

The DHCP server may choose to send load related information of all service gateways, or may only select load related information of the qualified service gateways. The load-related information of the serving gateway may include only the current load information and the load threshold of the PLMN to which the session belongs, and may also include the current load information and load threshold of each PLMN under the serving gateway.

505. The MME selects the SGW1 according to the current load information of the PLMN to which the session belongs, the load threshold, and the service traffic information of the session. The unshared bandwidth share of the PLMN to which the session belongs in the SGW1 meets the service traffic requirement of the session.

The MME selects a serving gateway that meets the service traffic requirements of the session according to the received load related information. The unallocated bandwidth share (load threshold - current load) of the PLMN in the serving gateway is greater than or equal to the traffic of the session. In Figure 5, it may be assumed that SGW1 is a service gateway that meets the traffic requirements of the session.

506. The MME sends a session establishment request to the SGW1.

507. The SGW1 sends a setup confirmation message to the MME.

Step 506 and step 507 are related to the prior art, and the embodiments of the present invention are not described in detail herein.

FIG. 6 is a schematic structural diagram of a service gateway 600 according to an embodiment of the present invention. The serving gateway 600 may include: a receiving unit 601, a determining unit 602, and a transmitting unit 603.

The receiving unit 601 can receive the session establishment request information sent by the mobility management entity MME, where the session establishment request information includes the identity information of the public land mobile network PLMN to which the session belongs and the service flow information of the session.

The determining unit 602 may determine, according to the load threshold of the PLMN, the current load information of the PLMN, and the service traffic information of the session, the feedback information of the session establishment request, where the feedback information includes the establishment confirmation information of the session or the session. Establish a rejection message.

The sending unit 603 can send the feedback information to the MME.

In the embodiment of the present invention, the serving gateway 600 obtains the service flow information of the PLMN (operator) and the session to which the current session belongs according to the session establishment request of the MME, and determines whether to allow the establishment of the session according to the load condition of the current PLMN. Control the negative of the PLMN under the service gateway Load balancing, avoiding resource overload of PLMN under the service gateway.

Optionally, the load threshold of the PLMN is a predetermined threshold or a threshold adjusted according to an operation policy.

Optionally, as an embodiment, if the traffic of the session and the current load of the PLMN under the serving gateway are smaller than the load threshold of the PLMN under the serving gateway, the determining unit 602 may determine a setup confirmation message of the session to indicate The MME establishes a bearer for the session.

Optionally, as another embodiment, if the traffic of the session and the current load of the PLMN under the serving gateway are greater than the load threshold of the PLMN under the serving gateway, the determining unit 602 may determine a setup reject message of the session. Instructing the MME to reselect the serving gateway to send a setup request for the session.

Optionally, as another embodiment, if the traffic of the PLMN at the serving gateway is exceeded, the sending unit 603 may further send, to the MME, indication information that the PLMN traffic is out of limits, so that the MME will connect to the serving gateway. At least one session of the PLMN switches to a serving gateway outside the serving gateway.

The service gateway 600 can also implement the SGW in the embodiment shown in FIG. 2 or the embodiment shown in FIG.

The functions of the SGW1 and the SGW2 are not described herein again.

FIG. 7 is a schematic structural diagram of a mobility management entity 700 according to an embodiment of the present invention. The mobility management entity device 700 may include: a receiving unit 701, a selecting unit 702, and a transmitting unit 703.

The receiving unit 701 can receive current load information and a load threshold of the public land mobile network PLMN under the at least one serving gateway.

The selecting unit 702 may select, from the at least one serving gateway, a serving gateway that meets the service traffic requirement of the session according to the current load information, the load threshold, and the service traffic information of the session of the PLMN to which the session belongs.

The sending unit 703 may send the establishment request of the session to the serving gateway that meets the service traffic demand of the session.

In the embodiment of the present invention, the mobility management entity 700 obtains the current load information and the load threshold of the PLMNs of the session to which the session belongs, and selects the service gateway that meets the service traffic demand of the session to send the session establishment request, thereby Controlling the load balancing of the PLMN under the serving gateway avoids the resource overload of the PLMN under the serving gateway.

Optionally, as an embodiment, the current load information and the load threshold of the PLMN under the at least one serving gateway are actively sent by the at least one serving gateway. Optionally, as another embodiment, the sending unit 703 may further send a first load query request to the at least one serving gateway, so that the receiving unit 701 receives current load information and a load threshold of the PLMN under the at least one serving gateway.

Optionally, as another embodiment, the sending unit 703 may further send a second load query request to the server, so that the receiving unit 701 receives current load information and a load threshold of the PLMN under the at least one serving gateway, where the server records at least Current load information and load threshold of each PLMN under a serving gateway.

The embodiment of the mobility management entity 700 may also implement the functions of the MME in the embodiment shown in FIG. 4 or FIG. 5, and details are not described herein.

FIG. 8 is a schematic structural diagram of a service gateway 800 according to an embodiment of the present invention. Serving gateway 800 can include: transmit circuitry 801, processor 802 and memory 803 and receive circuitry 804.

The receiving circuit 804 can receive the session establishment request information sent by the mobility management entity MME, where the session establishment request information includes the identity information of the public land mobile network PLMN to which the session belongs and the service flow information of the session.

The processor 802, according to the load threshold of the PLMN, the current load information of the PLMN, and the service traffic information of the session, determining feedback information about the session establishment request, where the feedback information includes establishment confirmation information of the session or establishment of the session. Reject information.

The memory 803 can store an instruction that causes the processor 802 to determine feedback information for the session establishment request according to the load threshold of the PLMN, the current load information of the PLMN, and the traffic flow information of the session.

The transmitting circuit 801 can send the feedback information to the MME.

In the embodiment of the present invention, the service gateway 800 obtains the service flow information of the PLMN (operator) and the session to which the current session belongs according to the session establishment request of the MME, and determines whether to allow the establishment of the session according to the load condition of the current PLMN. Controlling the load balancing of the PLMN under the serving gateway avoids the resource overload of the PLMN under the serving gateway.

The processor 802 controls the operation of the service gateway 800, which may also be referred to as a CPU (Central Processing Unit). Memory 803 can include read only memory and random access memory and provides instructions and data to processor 802. A portion of the memory 803 may also include non-volatile random access memory (NVRAM). In a particular application, transmit circuitry 801 and receive circuitry 804 can be coupled to antenna 805. The various components of the service gateway 800 are coupled together by a bus system 806, which may include, in addition to the data bus. Including the power bus, control bus and status signal bus. However, for clarity of description, various buses are labeled as bus system 806 in the figure.

The method disclosed in the foregoing embodiments of the present invention may be applied to the processor 802 or implemented by the processor 802. Processor 802 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the above method may be completed by an integrated logic circuit of hardware in the processor 802 or an instruction in the form of software. The processor 802 described above may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware. Component. The methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by the hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 803, and the processor 802 reads the information in the memory 803 and combines the hardware to perform the steps of the above method.

Optionally, as an embodiment, if the traffic of the session and the current load of the PLMN under the serving gateway are smaller than the load threshold of the PLMN under the serving gateway, the processor 802 may determine a setup confirmation message of the session to indicate The MME establishes a bearer for the session.

Optionally, as another embodiment, if the traffic of the session and the current load of the PLMN under the serving gateway are greater than the load threshold of the PLMN under the serving gateway, the processor 802 may determine a setup reject message of the session. Instructing the MME to reselect the serving gateway to send a setup request for the session.

Optionally, as another embodiment, if the traffic of the PLMN at the serving gateway is exceeded, the transmitting circuit 804 may further send the indication information of the PLMN traffic overrun to the MME, so that the MME will connect to the serving gateway. At least one session of the PLMN switches to a serving gateway outside the serving gateway.

The service gateway 800 can also implement the functions of the SGW in the embodiment shown in FIG. 2 or the SGW1 and SGW2 in the embodiment shown in FIG. 3, and the details are not described herein again.

FIG. 9 is a schematic structural diagram of a mobility management entity device 900 according to an embodiment of the present invention. Mobility tube The physical device 900 can include a transmit circuit 901, a receive circuit 904, a processor 902, and a memory 903.

The receiving circuit 904 can receive current load information and a load threshold of the public land mobile network PLMN under the at least one serving gateway.

The processor 902 can select, from the at least one serving gateway, a serving gateway that meets the service traffic requirement of the session according to the current bearer information of the PLMN to which the session belongs, the load threshold, and the service traffic information of the session.

The memory 903 is configured to enable the processor 902 to select, according to the current load information of the PLMN of the session to the at least one serving gateway, the load threshold, and the traffic flow information of the session, select, from the at least one serving gateway, the service traffic requirement that meets the session. The instructions of the service gateway.

The transmitting circuit 901 can send a request for establishing the session to the serving gateway that meets the traffic demand of the session.

In the embodiment of the present invention, the mobility management entity device 900 obtains the current load information and the load threshold of the PLMNs of the session to which the session belongs, and selects the service gateway that meets the service traffic demand of the session to send the session establishment request. Thereby controlling the load balancing of the PLMN under the serving gateway, and avoiding resource overload of the PLMN under the serving gateway.

The processor 902 controls the operation of the mobility management entity device 900, which may also be referred to as a CPU (Central Processing Unit). Memory 903 can include read only memory and random access memory and provides instructions and data to processor 902. A portion of memory 903 may also include non-volatile random access memory (NVRAM). In a particular application, transmit circuitry 901 and receive circuitry 904 can be coupled to antenna 905. The various components of the mobility management entity device 900 are coupled together by a bus system 906, which may include, in addition to the data bus, a power bus, a control bus, a status signal bus, and the like. However, for clarity of description, various buses are labeled as bus system 906 in the figure.

The method disclosed in the above embodiments of the present invention may be applied to the processor 902 or by the processor.

902 implementation. Processor 902 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 902 or an instruction in a form of software. The processor 902 described above may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware. Component. The methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or executed. General processing The device can be a microprocessor or the processor can be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory 903, and the processor 902 reads the information in the memory 903 and completes the steps of the above method in combination with the hardware thereof.

Optionally, as an embodiment, the current load information and the load threshold of the PLMN under the at least one serving gateway are actively sent by the at least one serving gateway.

Optionally, as another embodiment, the transmitting circuit 901 may further send a first load query request to the at least one serving gateway, so that the receiving circuit 904 receives current load information and a load threshold of the PLMN under the at least one serving gateway.

Optionally, as another embodiment, the transmitting circuit 901 may further send a second load query request to the server, so that the receiving circuit 904 receives current load information and a load threshold of the PLMN under the at least one serving gateway, where the server records at least Current load information and load threshold of each PLMN under a serving gateway.

The embodiment of the mobility management entity 900 may also implement the functions of the MME in the embodiment shown in FIG. 4 or FIG. 5, and the details are not described herein again.

It should be understood that, in various embodiments of the present invention, the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention. The implementation process constitutes any limitation.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in a combination of electronic hardware or computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

It will be apparent to those skilled in the art that, for the convenience of the description and the cleaning process, the specific operation of the system, the device and the unit described above may be referred to the corresponding processes in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division, and may be implemented in actual implementation. In a different manner, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims

Rights request

1. A traffic control method for an operator's shared network, characterized by including: obtaining the current load information and load threshold of the public land mobile network PLMN to which the session of the user equipment belongs under the service gateway;

The load balancing of the PLMN under the serving gateway is controlled according to the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway.

2. The method of claim 1, wherein the load threshold of the PLMN at the service gateway is a predetermined threshold or a threshold adjusted according to an operation policy.

3. The method according to claim 1 or 2, characterized in that,

Obtaining the current load information of the public land mobile network PLMN to which the session of the user equipment belongs under the serving gateway includes: the serving gateway receives the session establishment request sent by the MME, and the session establishment request carries the PLMN identification information;

The serving gateway obtains the current load information of the PLMN according to the identification information of the PLMN.

4. The method according to claim 3, characterized in that: the service traffic information according to the session, the current load information of the PLMN under the serving gateway and the load threshold control of the PLMN under the serving gateway. The load balancing of the PLMN under the service gateway includes:

The serving gateway determines whether to allow the establishment of the bearer of the session under the serving gateway based on the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway. .

5. The method of claim 4, wherein the serving gateway determines the load threshold of the PLMN based on the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway. Determining whether to allow the bearer of the session to be established under the service gateway includes:

If the service traffic of the session and the current load of the PLMN under the serving gateway are less than the load threshold of the PLMN under the serving gateway, the serving gateway sends an establishment confirmation message of the session to the MME so that the The MME establishes the bearer of the session; or

If the service traffic of the session and the current load of the PLMN under the serving gateway are greater than the load threshold of the PLMN under the serving gateway, the serving gateway sends an establishment rejection message of the session to the MME so that the The MME reselects the serving gateway to send the session's Create request.

6. The method according to any one of claims 3 to 5, further comprising: if the traffic of the PLMN at the serving gateway exceeds the limit, the serving gateway sends the PLMN to the MME. Indication information of traffic exceeding the limit, so that the MME switches at least one session of the PLMN connected to the serving gateway to a serving gateway other than the serving gateway.

7. The method according to claim 1 or 2, wherein said obtaining the current load information of the public land mobile network PLMN to which the session of the user equipment belongs under the serving gateway includes:

The MME receives the current load information of the PLMN sent by at least one serving gateway; or the MME receives the load information sent by the server according to the load query request of the MME, and the load information includes the load information recorded under at least one serving gateway of the server. Current load information of the PLMN.

8. The method according to claim 7, characterized in that: the service traffic information according to the session, the current load information of the PLMN under the serving gateway and the load threshold control of the PLMN under the serving gateway. The load balancing of the PLMN under the service gateway includes:

The MME selects service traffic that matches the session from the at least one serving gateway based on the service traffic information of the session, the current load information of the PLMN under the serving gateway, and the load threshold of the PLMN under the serving gateway. The service gateway that meets the service traffic requirements of the session sends the session establishment request to the service gateway that meets the service traffic requirements of the session to establish the bearer of the session.

9. A service gateway, characterized by including:

A receiving unit configured to receive session establishment request information sent by the mobility management entity MME, where the session establishment request information includes identification information of the public land mobile network PLMN to which the session belongs and service flow information of the session;

Determining unit, configured to determine feedback information for the session establishment request based on the load threshold of the PLMN, the current load information of the PLMN, and the service traffic information of the session, where the feedback information includes an establishment confirmation of the session information or establishment of said session rejects information;

A sending unit, configured to send the feedback information to the MME.

10. The service gateway as claimed in claim 9, characterized in that,

If the service traffic of the session and the current load of the PLMN under the serving gateway are less than the load threshold of the PLMN under the serving gateway, the determining unit is used to determine an establishment confirmation message of the session to indicate to the MME Establish a bearer for said session; or If the service traffic of the session and the current load of the PLMN under the serving gateway are greater than the load threshold of the PLMN under the serving gateway, the determining unit is used to determine an establishment rejection message of the session to indicate to the MME The service gateway is reselected to send the session establishment request.

11. The serving gateway according to claim 9 or 10, wherein if the traffic of the PLMN at the serving gateway exceeds the limit, the sending unit is further configured to send the PLMN traffic exceeding the limit to the MME. limited indication information, so that the MME switches at least one session of the PLMN connected to the serving gateway to a serving gateway other than the serving gateway.

12. A mobility management entity device, characterized in that it includes:

A receiving unit configured to receive the current load information and load threshold of the public land mobile network PLMN under at least one serving gateway;

A selection unit configured to select, from the at least one serving gateway, the service flow requirements of the session according to the current load information, load threshold, and service flow information of the session of the PLMN to which the session belongs in the at least one serving gateway. service gateway;

A sending unit, configured to send the session establishment request to the service gateway that meets the service traffic requirements of the session.

13. The mobility management entity device according to claim 12, wherein the current load information and load threshold of the PLMN under the at least one serving gateway are actively sent by the at least one serving gateway.

14. The mobility management entity device according to claim 12, wherein the sending unit is further configured to send a first load query request to the at least one serving gateway so that the receiving unit receives the at least one service. The current load information and load threshold of the PLMN under the gateway.

15. The mobility management entity device according to claim 12, wherein the sending unit is further configured to send a second load query request to the server so that the receiving unit receives the PLMN under the at least one serving gateway. Current load information and load threshold, wherein the current load information and load threshold of each PLMN under at least one serving gateway are recorded in the server.