CN112714456A

CN112714456A - Method for improving core network service quality, xGW and MME

Info

Publication number: CN112714456A
Application number: CN201911037728.0A
Authority: CN
Inventors: 王薇薇; 喻炜; 洪彬婷; 张晓静
Original assignee: Potevio Information Technology Co Ltd
Current assignee: Potevio Information Technology Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2021-04-27

Abstract

The embodiment of the invention provides a method for improving the service quality of a core network, xGW and an MME, wherein the method comprises the following steps: detecting the self-equipment state, the network interface state and the resource use condition, and generating an operation state self-detection result; and sending the running state self-detection result to a Mobility Management Entity (MME) so that the MME can execute the operation of reducing the user equipment service recovery time or load balance corresponding to the running state self-detection result. The embodiment of the invention realizes the relatively comprehensive intercommunication of the system resource state information between xGW in the core network and the MME, and can ensure the consistency of the context information of the UE of each network element, thereby effectively reducing the processing of invalid UE data by the system and the occupation of network resources by invalid service data, avoiding the overload of the system and reducing the service recovery time delay of the UE.

Description

Method for improving core network service quality, xGW and MME

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method for improving quality of service of a core network, xGW, and an MME.

Background

The core network EPC serves as a component in the TD-LTE system, and bears key tasks such as user subscription data storage, mobility management, data exchange, and the like. The stability of the core network, the disaster tolerance capability of the system and the service recovery delay all concern the overall network service quality of the whole communication system. The SGW (Serving GateWay) and PGW (PDN GateWay) in the 3GPP standard may be logically divided into one network element, i.e. P/S-GW, and hereinafter referred to as xGW for convenience. xGW communicates with the base station through S1U interface, communicates with external network through SGI interface, and interacts signaling plane messages with MME (Mobility Management Entity) through S11 interface.

In the prior art, the xGW system resource information that the MME can acquire is less, and the sensing of the User Equipment (UE) service communication abnormality is not sensitive enough. Common means is to indicate xGW the number of reboots by a Recovery value, or the MME determines xGW the running status by whether an ECHO response message is received in time. The MME cannot accurately determine xGW whether the usage of system resources exceeds a reasonable range to adopt load balancing processing, so that UE context information management and data exchange abnormalities caused by xGW system overload cannot be effectively avoided.

In addition, xGW does not effectively maintain the service state of the MME, and if the interface message interaction fails due to the link abnormality between the MME and xGW, it is very easy to cause inconsistency of the UE online information in the MME, eNB, and xGW, and the xGW cannot timely delete the invalid UE downlink routing problem. Especially, in the core network disaster recovery backup system, after the UE re-accesses the backup core network from the failed core network, if the failed core network fails to delete the original downlink route entry of the UE in time, the two downlink routes exist at the same time, which results in that the service communication cannot be recovered.

Therefore, it is desirable to provide a method or an apparatus for improving the quality of service of a core network, which can effectively reduce the processing of invalid UE data by a system and the occupation of network resources by invalid service data, avoid system overload, and accelerate the recovery of UE services.

Disclosure of Invention

Embodiments of the present invention provide a method, xGW, and MME for improving quality of service of a core network, which overcome or at least partially solve the above problems.

In a first aspect, an embodiment of the present invention provides a method for improving quality of service of a core network, where the method is applied to an xGW module, and includes:

receiving an ECHO request message periodically sent by a mobility management entity MME;

detecting the self-equipment state, the network interface state and the resource use condition, and generating an operation state self-detection result;

determining a state indication value in an ECHO response message according to the running state self-detection result, and sending the ECHO response message to the MME so that the MME can execute the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-detection result;

the status indication value is used to indicate whether the state of the xGW module is abnormal, whether the state of the network interface is abnormal, and whether the resource usage exceeds a preset threshold.

Further, still include:

if the ECHO request message sent by the MME is not received within a preset time period, judging that the MME connection state is abnormal;

releasing the context information and the bearing information of all user equipment UE within the MME range with abnormal connection state;

and deleting the invalid downlink route of the detached UE in the network.

In a second aspect, an embodiment of the present invention provides a method for improving quality of service of a core network, which is applied to a mobility management entity MME, and includes:

periodically sending an ECHO request message to the xGW module and receiving an ECHO response message sent by the xGW module;

obtaining the operation state self-checking result of the xGW module according to the state indicating value in the ECHO response message;

performing an operation of reducing a user equipment traffic recovery time or load balancing corresponding to the operation state self-test result of the xGW module;

wherein, the operation state self-checking result of the xGW module comprises: and determining whether the state of the device of the xGW module is abnormal, the state of the network interface is abnormal and the resource usage exceeds a preset threshold.

The executing the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-test result of the xGW module specifically includes:

if the self equipment state of the xGW module is abnormal, releasing all the UEs associated under the xGW module;

if any network interface state of the xGW module is abnormal, releasing all UE associated under the xGW module; and/or the presence of a gas in the gas,

if the resource usage of the xGW module exceeds a preset threshold, load balancing processing is started, and xGW modules with lower resource occupancy rates are assigned to the newly accessed UE in the xGW resource pool.

Further, still include:

if an ECHO response message sent by the xGW module is not received within a preset time period, determining that the xGW module connection state is abnormal;

releasing all UEs associated under the xGW module.

In a third aspect, an embodiment of the present invention provides an xGW module, including:

the detection unit is used for detecting the self-equipment state, the network interface state and the resource use condition and generating an operation state self-detection result;

the message processing unit is used for receiving an ECHO request message periodically sent by a mobility management entity MME; determining a state indication value in an ECHO response message according to the running state self-detection result, and sending the ECHO response message to the MME so that the MME can execute the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-detection result;

Further, still include:

an MME connection state maintenance unit, configured to determine that the MME connection state is abnormal if an ECHO request message sent by the MME is not received within a preset time period;

the UE uplink information and bearer information management unit is used for releasing the context information and bearer information of all user equipment UE in the MME range with abnormal connection state;

and the UE downlink route updating unit is used for deleting the invalid downlink route of the UE in the network.

In a fourth aspect, an embodiment of the present invention provides a mobility management entity MME, including:

a message processing unit, configured to periodically send an ECHO request message to the xGW module, and receive an ECHO response message sent by the xGW module;

xGW an operation status maintenance unit, configured to obtain an operation status self-check result of the xGW module according to the status indication value in the ECHO response message;

a UE context management unit, configured to perform an operation of reducing a service recovery time or load balancing of a user equipment corresponding to a self-check result of the running state of the xGW module;

wherein the self-checking result of the running state comprises: and determining whether the state of the device of the xGW module is abnormal, the state of the network interface is abnormal and the resource usage exceeds a preset threshold.

Wherein the UE context management unit is specifically configured to:

Further, the xGW operation status maintenance unit is further configured to:

if an ECHO response message sent by the xGW module is not received within a preset time period, determining that the xGW module connection state is abnormal; accordingly, the number of the first and second electrodes,

the UE context management unit is further configured to:

releasing all UEs associated under the xGW module.

The method for improving the service quality of the core network, xGW and the MME provided by the embodiment of the invention realize the relatively comprehensive intercommunication of the system resource state information between xGW and the MME inside the core network, and can ensure the consistency of the context information of the UE of each network element, thereby effectively reducing the processing of invalid UE data by the system and the occupation of invalid service data on network resources, avoiding system overload and reducing the service recovery time delay of the UE.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a flowchart illustrating a method for improving quality of service of a core network according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of core network EPC internal module logic partitioning and xGW network interface;

fig. 3 is a flowchart illustrating a method for improving quality of service of a core network according to an embodiment of the present invention;

fig. 4 is a schematic topology structure diagram of a core network of the electric power wireless private network system;

fig. 5 is a schematic structural diagram of xGW modules according to an embodiment of the present invention

FIG. 6 is a schematic structural diagram of an xGW module according to another embodiment of the invention;

fig. 7 is a schematic structural diagram of a mobility management entity MME according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an MME according to another embodiment of the present invention;

fig. 9 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a schematic flow chart of the method for improving the quality of service of the core network according to the embodiment of the present invention is applied to an xGW module, and includes:

step 100, receiving an ECHO request message periodically sent by a mobility management entity MME;

specifically, the embodiment of the present invention realizes xGW interworking of system resource status information with the MME through the ECHO command. The MME periodically sends an ECHO request message to the module xGW through the interface S11, and the module xGW receives the ECHO request message periodically sent by the MME through the interface S11, and starts to perform self-check of the operation status after receiving the ECHO request message of the MME.

Step 101, detecting the self-equipment state, the network interface state and the resource use condition, and generating an operation state self-detection result;

specifically, the xGW module detects whether the device status is abnormal.

The xGW module monitors in real time whether states of all network interfaces related to the signaling plane and the user plane are normal, specifically, the network interfaces include an S1U interface, an SGI interface, and an S11 interface, and an abnormality of any interface is determined as a fault.

Fig. 2 is a schematic diagram of core network EPC internal module logical partitioning and xGW network interfaces, an SGW and a PGW in the 3GPP standard are logically partitioned into a network element xGW, and S1U, an SGI, and an S11 are network interfaces to be detected by a xGW module. One MME may associate multiple xGW.

The xGW module also monitors the usage of system resources in real time, and whether the usage of system resources exceeds a preset threshold, specifically, the module mainly includes two detection indexes: CPU occupancy and memory usage.

The self-checking result of the running state comprises the following steps: and whether the state of the device of the xGW module is abnormal, whether the state of a network interface is abnormal and whether the use condition of resources exceeds a preset threshold value. For example, the operation state self-test result may be that the system is normal, the system resource occupation reaches a threshold, a network interface failure or a system restart.

Step 102, determining a status indication value in an ECHO response message according to the running status self-checking result, and sending the ECHO response message to the MME, so that the MME executes an operation of reducing user equipment service recovery time or load balancing corresponding to the running status self-checking result.

Specifically, the xGW module sends the operation status self-test result to the MME through an ECHO response message, and specifically, the xGW module transfers the operation status self-test result to the MME through a status indication value in the ECHO response message. The status indication value is used to indicate xGW whether the network element status is abnormal, whether the network interface status is abnormal, and whether the resource usage exceeds a preset threshold.

Module xGW sends the ECHO response message to the MME over an S11 interface. The MME executes corresponding operation of reducing the user equipment service recovery time or load balance according to the operation state self-detection result, wherein the operation of reducing the user equipment service recovery time or load balance specifically comprises the following steps: and the UE with service interruption caused by any abnormal xGW is released or load balancing processing is carried out, so that more comprehensive system resource state information intercommunication and UE context information consistency between the xGW module and the MME are realized.

The method for improving the service quality of the core network provided by the embodiment of the invention realizes the relatively comprehensive intercommunication of the system resource state information between xGW in the core network and the MME, and can ensure the consistency of the context information of the UE of each network element, thereby effectively reducing the processing of invalid UE data by the system and the occupation of invalid service data to network resources, avoiding the overload of the system and reducing the service recovery delay of the UE.

Based on the content of the foregoing embodiment, the method for improving the quality of service of the core network provided by the embodiment of the present invention further includes:

and deleting the invalid downlink route of the detached UE in the network.

Specifically, xGW also maintains the connection status of the MME. xGW, counting the time interval from the last time of receiving the MME periodic ECHO request message, if the periodic ECHO request message of the MME is not received within the specified time, determining that the MME is lost, and xGW releasing the context information and the bearer information of all the UEs in the MME range with abnormal connection state, thereby ensuring that the xGW module is consistent with the UE online information of the MME and the eNB, and reducing the processing of invalid UE data by xGW module and the network resources occupied by invalid service data.

At this time, since the xGW module has not received the periodic ECHO request message and cannot reply to the ECHO response message in time, the MME also determines that the xGW is abnormal, and has released all UEs within the xGW range.

The xGW module also updates the UE downlink routes, i.e. deletes all invalid downlink routes in the network for the detached UE, so as to prevent the UE from having a dual-route problem after re-accessing other xGW or a standby core network, which affects the fast recovery of the UE service.

As shown in fig. 3, a flowchart of the method for improving the quality of service of the core network according to the embodiment of the present invention is applied to a mobility management entity MME, and includes:

step 200, periodically sending an ECHO request message to an xGW module, and receiving an ECHO response message sent by the xGW module;

specifically, the embodiment of the present invention specifically implements the interworking of the system resource status information between the MME and the xGW through the ECHO command.

The MME periodically sends an ECHO request message to the connected xGW module through the S11 interface, so that the xGW module encapsulates the operation status self-test result in an ECHO response message replied to the MME after receiving the ECHO request message.

The MME receives the ECHO response message sent by the xGW module through an S11 interface, and determines the operation state self-test result of the xGW module according to the state indication value in the ECHO response message.

Step 201, obtaining the self-checking result of the running state of the xGW module according to the state indication value in the ECHO response message;

specifically, the MME obtains xGW the operation state self-check result of the module according to the state indication value in the ECHO response message, thereby implementing more comprehensive interworking of system resource state information between the xGW module and the MME.

Wherein the self-checking result of the running state comprises: and whether the state of the device of the xGW module is abnormal, whether the state of a network interface is abnormal and whether the use condition of resources exceeds a preset threshold value.

Step 202, executing an operation of reducing the user equipment service recovery time or load balancing corresponding to the operation state self-checking result of the xGW module;

specifically, the operation of reducing the user equipment traffic recovery time or load balancing includes releasing the UE with traffic interruption caused by any exception xGW, or performing load balancing.

The MME executes the operation of reducing the service recovery time or load balance of the user equipment corresponding to the operation state self-detection result, thereby realizing the relatively comprehensive intercommunication of system resource state information between the xGW module and the MME and the consistency of UE context information, and avoiding the abnormal management and data exchange of the UE context information caused by system overload.

Based on the content of the foregoing embodiment, executing an operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-test result specifically includes:

Specifically, if the MME learns that the self device state of the xGW module is abnormal, for example, the xGW module is restarted, all UE context information stored in the xGW module is lost, and service communication is interrupted. In this case, the MME should release all UEs associated under the xGW module in time.

If any network interface state of the xGW module is abnormal, and all UEs associated with the xGW cannot perform normal service communication, the MME starts a UE release procedure in time, releases all UEs associated with the xGW module, and sends a uecondtertheleasecommand message to a base station eNB where the UE is located.

When the default xGW module of the newly accessed UE is determined to be the CPU occupancy rate or the memory usage rate reaching the threshold, the MME starts load balancing processing, and assigns other xGW modules with lower resource occupancy rates to the UE in the xGW resource pool. It should be noted that, the UE that already has the context information is not affected, and continues to maintain the current state.

As shown in fig. 4, which is a schematic view of a topology structure of a core network of an electric wireless private network system, after the UE detaches, the UE re-initiates an attach request procedure, and may re-establish context information according to xGW in which an operation state in an xGW pool designated by the MME is normal, or re-access the standby core network shown in fig. 4. Therefore, the UE with interrupted service can be prevented from occupying the xGW resource for a long time and being incapable of triggering the re-access process in time.

releasing all UEs associated under the xGW module.

Specifically, the MME also maintains the connection state of xGW, and if the MME does not receive the ECHO response message sent by the module xGW within a preset time period, it learns that the connection state of the xGW module is abnormal, and the module xGW may have abnormal situations such as hang-up and exit from service. The xGW module cannot normally process the signaling flow and the user plane service flow of UEs within its range, in which case, the MME releases all UEs associated with the xGW module with abnormal connection status.

Another aspect of the present invention, as shown in fig. 5, is a schematic structural diagram of an xGW module provided in an embodiment of the present invention, including: a detection unit 510 and a message processing unit 520, wherein,

a detecting unit 510, configured to detect a device state, a network interface state, and a resource usage condition of the device, and generate a running state self-detection result;

specifically, the detecting unit 510 detects whether the state of the whole xGW module is abnormal, and monitors whether the states of all network interfaces related to the signaling plane and the user plane are normal in real time, specifically, the network interfaces include an S1U interface, an SGI interface, and an S11 interface, and any interface is abnormal and is determined as a fault. The detecting unit 510 also monitors the usage of system resources in real time, and whether the usage of system resources exceeds a preset threshold, specifically, the detecting unit mainly includes two detection indexes: CPU occupancy and memory usage.

A message processing unit 520, configured to receive an ECHO request message periodically sent by a mobility management entity MME; determining a state indication value in an ECHO response message according to the running state self-detection result, and sending the ECHO response message to the MME so that the MME can execute the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-detection result;

specifically, the embodiment of the present invention realizes xGW interworking of system resource status information with the MME through the ECHO command. The MME periodically transmits an ECHO request message to the module xGW through the S11 interface, and the message processing unit 520 of the module xGW receives an ECHO request message periodically transmitted by the MME through the S11 interface.

The message processing unit 520 sends the operation status self-test result of the detecting unit 510 to the MME through the ECHO response message, and specifically, transfers the operation status self-test result to the MME through the status indication value in the ECHO response message. The status indication value is used to indicate xGW whether the network element status is abnormal, whether the network interface status is abnormal, and whether the resource usage exceeds a preset threshold.

The message processing unit 520 sends the ECHO response message to the MME through an S11 interface. The MME executes corresponding operation of reducing the user equipment service recovery time or load balance according to the operation state self-detection result, wherein the operation of reducing the user equipment service recovery time or load balance specifically comprises the following steps: and the UE with service interruption caused by any abnormal xGW is released or load balancing processing is carried out, so that more comprehensive system resource state information intercommunication and UE context information consistency between the xGW module and the MME are realized.

The xGW module provided by the embodiment of the invention realizes the intercommunication of the system resource state information with MME more comprehensively, and can ensure the consistency of the context information of UE of each network element, thereby effectively reducing the processing of invalid UE data by the system and the occupation of network resources by invalid service data, avoiding the overload of the system and reducing the service recovery time delay of UE.

Further, as shown in fig. 6, a schematic structural diagram of an xGW module according to another embodiment of the present invention is provided, where the xGW module further includes:

an MME connection status maintaining unit 530, configured to learn that the MME connection status is abnormal if an ECHO request message sent by the MME is not received within a preset time period;

specifically, the MME connection status maintenance unit counts a time interval from the last time of receiving the periodic ECHO request message of the MME, and determines that the MME is lost if the periodic ECHO request message of the MME is not received within a specified time.

A UE uplink information and bearer information management unit 540, configured to release context information and bearer information of all user equipments UEs in the MME range with abnormal connection status;

specifically, the UE uplink information and bearer information management unit releases the context information and bearer information of all UEs in the MME range with abnormal connection status, thereby ensuring that the xGW module is consistent with the UE online information of the MME and the base station eNB, and reducing the processing of invalid UE data by the xGW module and network resources occupied by invalid service data.

And a UE downlink route updating unit 550, configured to delete a failed downlink route of the UE in the network.

Specifically, the UE downlink route updating unit deletes all invalid downlink routes in the network to which the UE is detached, so as to prevent the UE from having a dual-route problem after the UE re-accesses another xGW or a standby core network, which affects the fast recovery of the UE service.

The method and the system realize the relatively comprehensive intercommunication of the system resource state information with the MME, and can ensure the consistency of the UE context information, thereby effectively reducing the processing of invalid UE data by the system and the occupation of network resources by invalid service data, avoiding the overload of the system and reducing the service recovery time delay of the UE.

In another aspect of the present invention, as shown in fig. 7, a schematic structural diagram of a mobility management entity MME provided in the embodiment of the present invention includes: the message handling units 710, xGW run a state maintenance unit 720 and a UE context management unit 730, wherein,

a message processing unit 710, configured to periodically send an ECHO request message to the xGW module, and receive an ECHO response message sent by the xGW module;

The message processing unit 710 periodically sends an ECHO request message to the connected xGW module through the S11 interface, so that the xGW module encapsulates the operation status self-test result in an ECHO response message returned to the MME after receiving the ECHO request message.

The message processing unit 710 receives the ECHO response message transmitted by the xGW module through the S11 interface.

xGW an operation status maintenance unit 720, configured to obtain an operation status self-check result of the xGW module according to the status indication value in the ECHO response message;

specifically, the xGW operation status maintenance unit 720 obtains the operation status self-check result of the module xGW according to the status indication value in the ECHO response message, thereby implementing more comprehensive system resource status information interworking between the xGW module and the MME.

A UE context management unit 730, configured to perform an operation of reducing a service recovery time or load balancing of the UE corresponding to a self-check result of the running state of the xGW module;

The UE context management unit 730 performs an operation of reducing the UE service recovery time or load balancing corresponding to the operation state self-check result, so as to implement xGW more comprehensive interworking of system resource state information between the module and the MME and consistency of the UE context information, and avoid UE context information management and data exchange abnormality caused by system overload.

The MME provided by the embodiment of the invention realizes the intercommunication of the state information of the system resources between the MME and xGW more comprehensively, and can ensure the consistency of the context information of the UE of each network element, thereby effectively reducing the processing of invalid UE data by the system and the occupation of network resources by invalid service data, avoiding the overload of the system and reducing the service recovery time delay of the UE.

Further, the UE context management unit 730 is specifically configured to:

Further, the xGW operation status maintenance unit 720 is further configured to:

the UE context management unit 730 is further configured to:

releasing all UEs associated under the xGW module.

As shown in fig. 8, which is a schematic structural diagram of an MME according to another embodiment of the present invention,

in fig. 8, the functions of the respective constituent units of the MME are detailed, so that relatively comprehensive intercommunication of system resource state information with xGW is realized, and consistency of UE context information can be ensured, thereby effectively reducing processing of invalid UE data by the system and occupation of network resources by invalid service data, avoiding system overload, and reducing UE service recovery delay.

Fig. 9 is a schematic entity structure diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 9, the electronic device may include: a processor (processor)910, a communication Interface (Communications Interface)920, a memory (memory)930, and a communication bus 940, wherein the processor 910, the communication Interface 920, and the memory 930 communicate with each other via the communication bus 940. The processor 910 may invoke a computer program stored in the memory 930 and operable on the processor 910 to perform the method for improving the quality of service of the core network provided by the above method embodiments, for example, including: receiving an ECHO request message periodically sent by a mobility management entity MME; detecting the self-equipment state, the network interface state and the resource use condition, and generating an operation state self-detection result; determining a state indication value in an ECHO response message according to the running state self-detection result, and sending the ECHO response message to the MME so that the MME can execute the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-detection result; the status indication value is used to indicate whether the self device status of the xGW module is abnormal, whether the network interface status is abnormal, and whether the resource usage exceeds a preset threshold

The processor 910 may invoke a computer program stored on the memory 930 and operable on the processor 910 to perform the method for improving the quality of service of the core network provided by the above method embodiments, for example, including: periodically sending an ECHO request message to the xGW module and receiving an ECHO response message sent by the xGW module; obtaining the operation state self-checking result of the xGW module according to the state indicating value in the ECHO response message; performing an operation of reducing a user equipment traffic recovery time or load balancing corresponding to the operation state self-test result of the xGW module; wherein, the operation state self-checking result of the xGW module comprises: and determining whether the state of the device of the xGW module is abnormal, the state of the network interface is abnormal and the resource usage exceeds a preset threshold.

Furthermore, the logic instructions in the memory 930 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.

An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for improving quality of service of a core network provided in the foregoing method embodiments, and for example, the method includes: receiving an ECHO request message periodically sent by a mobility management entity MME; detecting the self-equipment state, the network interface state and the resource use condition, and generating an operation state self-detection result; determining a state indication value in an ECHO response message according to the running state self-detection result, and sending the ECHO response message to the MME so that the MME can execute the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-detection result; the status indication value is used to indicate whether the state of the xGW module is abnormal, whether the state of the network interface is abnormal, and whether the resource usage exceeds a preset threshold.

An embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for improving quality of service of a core network provided in the foregoing method embodiments, and for example, the method includes: periodically sending an ECHO request message to the xGW module and receiving an ECHO response message sent by the xGW module; obtaining the operation state self-checking result of the xGW module according to the state indicating value in the ECHO response message; performing an operation of reducing a user equipment traffic recovery time or load balancing corresponding to the operation state self-test result of the xGW module; wherein, the operation state self-checking result of the xGW module comprises: and determining whether the state of the device of the xGW module is abnormal, the state of the network interface is abnormal and the resource usage exceeds a preset threshold.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A method for improving the service quality of a core network is applied to an xGW module, and is characterized by comprising the following steps:

2. The method of claim 1, further comprising:

and deleting the invalid downlink route of the detached UE in the network.

3. A method for improving service quality of a core network is applied to a Mobility Management Entity (MME), and is characterized by comprising the following steps:

4. The method according to claim 3, wherein the operation of reducing the user equipment service recovery time or load balancing corresponding to the running state self-test result of the xGW module is executed, and specifically the operation is:

5. The method of claim 3, further comprising:

releasing all UEs associated under the xGW module.

6. An xGW module, comprising:

7. The xGW module of claim 6, further comprising:

8. A mobility management entity, MME, comprising:

9. The mobility management entity MME of claim 8, wherein the UE context management unit is specifically configured to:

10. The mobility management entity MME of claim 8, wherein the xGW operation state maintenance unit is further configured to:

the UE context management unit is further configured to:

releasing all UEs associated under the xGW module.