CN114629778B - IP multimedia service fault processing method, electronic equipment and storage medium - Google Patents
IP multimedia service fault processing method, electronic equipment and storage medium Download PDFInfo
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- CN114629778B CN114629778B CN202011465489.1A CN202011465489A CN114629778B CN 114629778 B CN114629778 B CN 114629778B CN 202011465489 A CN202011465489 A CN 202011465489A CN 114629778 B CN114629778 B CN 114629778B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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Abstract
The embodiment of the invention provides an IP multimedia service fault processing method, electronic equipment and a storage medium, wherein the method comprises the following steps: the gateway node sends detection information to a proxy session border controller network element PSBC-C of the control plane, and when the PSBC-C is in a state of monitoring that the proxy session border controller network element PSBC-U of the connected media plane generates faults, the gateway node cannot receive the response of the PSBC-C to the control message; if the gateway node does not receive the response of the control message, starting a disaster recovery process to enable the target terminal to realize the fault recovery of the IP multimedia service by re-executing the registration process; the target terminal is a terminal using PSBC-C. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is executed, IMS service failure is prevented, and the efficiency of IMS service is improved.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method for processing an IP multimedia service failure, an electronic device, and a storage medium.
Background
Disaster recovery is also called off-site disaster recovery or geographical disaster recovery, and refers to two sites located at different geographical locations, wherein when one site fails to provide service due to uncontrollable factors such as natural disasters, war, power failure, and the like, the other site can take over registration and session services. The disaster recovery scheme is beneficial to improving the reliability of an IP multimedia system (IP Multimedia Subsystem, IMS) network, enhancing the capability of handling sudden natural disasters and the network self-recovery capability, and avoiding the occurrence of large-scale service interruption caused by serious disaster conditions such as power failure, natural disasters, equipment failure and the like. The proxy session border controller PSBC is the first network node of the Packet domain (Packet SwitchedDomain, PS domain) to access the IMS domain. Because the heartbeat detection message is lack between the gateway PGW and the PSBC device, after the user service fails, the operator cannot find the problem and process the problem in time, so a state detection mechanism is needed to remind the operator of the operation and maintenance personnel. In order to ensure that the IMS service of the user can be timely recovered, a PDN GateWay (PGW) provides a fault self-processing function, and shortens the interruption time of the IMS service.
In the actual application of the existing network, the basic principle of IMS service recovery when PSBC fails is as follows: the PGW periodically detects the PSBC status by using an internet probe information protocol (Internet Control Message Protocol, ICMP). Because the traditional PSBC is deployed in a mode of combining a control plane and a media plane, when the PSBC fails and the PGW detects that the state linked with the PSBC is abnormal, the control plane and the media plane of the PSBC are judged to be unavailable. The PGW pushes a pair of PSBC addresses with normal states to the terminal MS/UE, and the MS/UE selects one PSBC address from the PSBC addresses to restart the IMS service, so that the automatic recovery of the IMS service is ensured.
The PSBC network element of the cloud IMS adopts a CU separation architecture, namely control plane and media plane separation deployment, and the mode can realize the centralized deployment and unified operation and maintenance of the signaling plane network element in a large area; the media surface sinks to the ground city, the detour is avoided, the bandwidth is saved, the time delay is reduced, the VoLTE dual-high-definition experience is satisfied, and the interaction experience with other video services is realized. Due to the introduction of a PSBC network element CU separation scheme in the cloud IMS, a PSBC fault scene is divided into a control plane PSBC-C and a media plane PSBC-U. If PSBC-U hung under a certain PSBC-C fails, the service of the PSBC is unavailable, but the PGW can not sense the failure because the PSBC-C is in a normal state, and still initiates the service to the PSBC, thereby causing the call failure. It can be known that the existing disaster recovery scheme cannot accurately detect the PSBC fault, and is easy to cause failure of call service.
Disclosure of Invention
The embodiment of the invention aims to provide an IP multimedia service fault processing method, electronic equipment and a storage medium, so as to solve the problems that the existing disaster recovery scheme can not accurately detect PSBC faults and is easy to cause failure of call service.
In order to solve the technical problems, the embodiment of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for processing an IP multimedia service failure, including:
the gateway node sends detection information to a proxy session border controller network element PSBC-C of a control plane, and when the proxy session border controller network element PSBC-C of the control plane is in a state of monitoring that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the gateway node cannot receive the response of the proxy session border controller network element PSBC-C of the control plane to the control information;
if the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the control message, starting a disaster recovery flow, so that the target terminal realizes the fault recovery of the IP multimedia service by re-executing the registration flow; the target terminal is a terminal of a proxy session border controller network element PSBC-C using the control plane.
In a second aspect, an embodiment of the present invention provides another IP multimedia service fault handling method, including:
when executing IP multimedia service, if detecting that proxy session boundary controller network element PSBC-U of all connected media surfaces generates faults, then no response is generated to detection information sent by gateway node so as to make gateway node start up disaster recovery flow to realize fault recovery of IP multimedia service.
In a third aspect, an embodiment of the present invention provides an electronic device, including a processor, a communication interface, a memory, and a communication bus; the processor, the communication interface and the memory complete communication with each other through a bus; the memory is used for storing a computer program; the processor is configured to execute the program stored in the memory, and implement the steps of the IP multimedia service fault handling method according to the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer readable storage medium, where a computer program is stored, where the computer program, when executed by a processor, implements the steps of the IP multimedia service failure processing method according to the first aspect.
As can be seen from the technical solutions provided by the embodiments of the present invention, in the embodiments of the present invention, when executing IP multimedia services through the proxy session border controller network element PSBC-C of the control plane, if it is monitored that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the detection information sent by the gateway node is no longer responded, so that the gateway node starts the disaster recovery procedure to implement fault recovery of the IP multimedia services. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is executed, IMS service failure is prevented, and the efficiency of IMS service is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a first method for processing an IP multimedia service failure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection relationship between a proxy session border controller network element of a control plane and a proxy session border controller network element of a media plane according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a second flow of an IP multimedia service failure processing method according to an embodiment of the present invention;
fig. 4 is a schematic signaling processing flow diagram of an IP multimedia service failure processing method according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a SIP registration signaling flow of an IP multimedia service terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides an IP multimedia service fault processing method, electronic equipment and a storage medium.
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a method for processing an IP multimedia service failure, where an execution body of the method may be a gateway device. As shown in fig. 1, the method includes:
step S11, a gateway node sends detection information to a proxy session border controller network element PSBC-C of a control plane, and when the proxy session border controller network element PSBC-C of the control plane is in a state that all connected proxy session border controller network elements PSBC-U of the media plane are monitored to generate faults, the gateway node cannot receive a response to the control information of the proxy session border controller network element PSBC-C of the control plane;
step S12, if the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the control message, starting a disaster recovery process so that the target terminal realizes the fault recovery of the IP multimedia service by re-executing the registration process; the target terminal is a terminal of a proxy session border controller network element PSBC-C using the control plane.
The state detection of the PSBC-U of the media plane is realized by a link heartbeat sensing mechanism between the PSBC-C and the PSBC-U, and meanwhile, a gateway node PGW judges the state of the PSBC-C by adopting a mode of periodically sending detection information to the PSBC-C.
Further, the probe information is probe information sent in an internet probe information protocol ICWP mode.
When the PSBC-C of the control plane in a normal state monitors the PSBC-U full faults of all media planes connected with the PSBC-C through a heartbeat sensing mechanism, the PSBC-C does not respond any more when receiving the detection information of the PGW. As shown in fig. 2, when the PSBC-C1, the PSBC-C2 and the PSBC-C3 are connected to the PSBC-U1, the PSBC-U2 and the PSBC-U3, respectively, if a failure occurs in the PSBC-U1, the PSBC-U2 and the PSBC-U3 without responding to the heartbeat detection of the PSBC-C1, the PSBC-C2 and the PSBC-C3, the PSBC-C1, the PSBC-C2 and the PSBC-C3 will not respond any more when receiving the probe information transmitted by the PGW.
And after the PGW does not receive the response of the detection information, the PGW can judge that the PSBC-C has a fault, and at the moment, the gateway node PGW starts a disaster recovery process to realize the fault recovery of the IP multimedia service.
The disaster recovery process specifically includes sending a new network element address to a terminal MS/UE using the PSBC-C with the fault, so that the terminal re-executes the registration process according to the new network element address, the terminal migrates the IMS service to a normal PSBC-C and PSBC-U without interrupting the current IMS service of the terminal, and the IMS service still keeps normal operation.
As can be seen from the technical solution provided by the above embodiment of the present invention, in the embodiment of the present invention, when a PSBC-U comprehensive fault scenario occurs, the PSBC-C does not respond to the detection information sent by the gateway device, and the gateway device starts the disaster recovery procedure to implement fault recovery of the IP multimedia service. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is executed, IMS service failure is prevented, and the efficiency of IMS service is improved.
Based on the above embodiment, further, the step S12 includes:
step S121, when the gateway node does not receive the response from the proxy session border controller network element PSBC-C of the control plane to the probe information, a new network element address is selected from the address list and sent to the target terminal using the proxy session border controller network element PSBC-C of the control plane, so that the target terminal re-executes the registration procedure according to the new network element address.
Further, the step S121 includes:
in step S1211, when the gateway node does not receive the response from the proxy session border controller network element PSBC-C of the control plane to the probe information, the network node marks the network element address corresponding to the proxy session border controller network element PSBC-C of the control plane in the address list as abnormal state.
Step S1212, the gateway node selects a new network element address from the address list, and sends the new network element address to a target terminal using a proxy session border controller network element PSBC-C of the control plane, so that the target terminal re-executes the registration procedure according to the new network element address.
Further, the gateway node comprises a distributed gateway node DGW and a centralized gateway node CGW.
Accordingly, the step S1212 includes:
step S12121, the distributed gateway node DGW selects at least two new network element addresses from the address list and sends the new network element addresses to the concentrated gateway node CGW;
step S12122, the concentrated gateway node CGW sends the at least two new network element addresses to a target terminal of a proxy session border controller network element PSBC-C using the control plane;
step S12123, the target terminal selects a target network element address from at least two new network element addresses, and re-executes the registration procedure according to the target network element address.
Further, the step S12122 includes:
the concentrated gateway node CGW inquires a target terminal of a proxy session border controller network element PSBC-C using the control plane from the context information of a packet data protocol PDP according to the network element address marked as abnormal state;
the centralized gateway node CGW sends the at least two new network element addresses to the target terminal.
Further, the step S12121 includes:
the distributed gateway node DGW selects at least two new network element addresses from the address list, encapsulates them in a Sx Session Report Request message in the Sx session report request message, and sends them to the centralized gateway node CGW.
As shown in fig. 4, the signaling processing flow of the IP multimedia service fault processing method provided by the embodiment of the present invention is as follows:
1. when a certain PSBC-C detects all PSBC-U connected with the PSBC-C, starting a non-response mechanism of a detection message ICMP message of the DGW, and judging that the PSBC address state corresponding to the PSBC-C in a PSBC address list is abnormal after the DGW detects that no response is received.
And 2, the DGW encapsulates the PSBC address in a pair of normal states into a Sx Session Report Request message, sends the Sx Session Report Request message to the CGW, and triggers PSBC fault warning.
And the CGW inquires all PDP context information according to the PSBC address judged to be abnormal in state, judges whether the current accessed MS/UE uses the PSBC address abnormal in state for service, and if so, sends an update request to all the MSs/UEs using the PSBC abnormal in state.
And 3, the CGW sends the PSBC address with normal state to the MS/UE through the update message, and informs the MS/UE to reselect one PSBC address from the newly issued pair of PSBC addresses for service.
And 4, selecting a target PSBC address from a pair of PSBC addresses returned by the CGW by the MS/UE, and reinitiating the SIP registration request.
The SIP registration request, as shown in fig. 5, has the following registration flow:
the MS/UE selects a target PSBC address from a PSBC address list returned by the CGW, and initiates a SIP registration request.
PSBC receives the registration request of MS/UE, extracts the MS/UE address and the target PSBC address, encapsulates the MS/UE address and the target PSBC address into an AAR message, and sends the AAR message to PCRF.
And 3, after the PCRF receives the AAR message, replying a response message to the PSBC.
And 4, the PCRF extracts the MS/UE address and the target PSBC address from the AAR message, encapsulates the two information into the RAR message and sends the RAR message to the CGW.
And 5, after the CGW receives the RAR message, replying an RAA response message to the PCRF.
The cgw sends Flow-Information carrying the MS/UE address to the DGW via Sx Session Modification Request message.
Dgw replies Sx Session Modification Response message to CGW.
PSBC completes the SIP registration flow of MS/UE and replies a successful response to MS/UE.
As can be seen from the technical solutions provided by the above embodiments of the present invention, in the embodiments of the present invention, a pair of PSBC addresses in a normal state are encapsulated in a Sx Session Report Request message by using a DGW and sent to the CGW, and the CGW sends the PSBC address in the normal state to the MS/UE through an update message, so as to notify the user to select a re-registration from the new PSBC addresses. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is executed, IMS service failure is prevented, and the efficiency of IMS service is improved.
Based on the above embodiment, further, after the step S1211, the gateway node does not actively push the normal PSBC address to the target terminal, marks only the PSBC address of the failed PSBC as abnormal state, and triggers a PSBC failure alarm, and the target terminal actively senses the PSBC failure when initiating a call or re-registration, falls back to 2G and re-registers.
The gateway node receives a registration request sent by the target terminal. At this time, the gateway node sends a normal PSBC address to the target terminal.
As can be seen from the technical solutions provided by the embodiments of the present invention, in the embodiments of the present invention, the normal PSBC address is not actively pushed to the target terminal, but the target terminal actively senses the PSBC fault when initiating a call or re-registering, falls back to 2G and re-registers. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is flexibly executed, and the efficiency of IMS service is improved.
As shown in fig. 3, the embodiment of the present invention further provides a method for processing an IP multimedia service fault on a network element device side in an IMS network, which corresponds to the method for processing an IP multimedia service fault provided in the foregoing embodiment, based on the same technical concept. The method specifically comprises the following steps:
and step S01, when the proxy session border controller network element PSBC-C of the control plane executes the IP multimedia service, if the proxy session border controller network element PSBC-U of all connected media planes is monitored to generate faults, no response is made to the detection information sent by the gateway node, so that the gateway node starts a disaster recovery process to realize the fault recovery of the IP multimedia service.
Further, the probe information is probe information sent in an internet probe information protocol ICWP mode.
It should be noted that, the method corresponding to the step S01 and the steps S11 and S12 are the same, so the specific implementation of this embodiment may refer to the implementation of the foregoing IP multimedia service failure processing method, and the repetition is not repeated.
As can be seen from the technical solutions provided by the embodiments of the present invention, in the embodiments of the present invention, when executing IP multimedia services through the proxy session border controller network element PSBC-C of the control plane, if it is monitored that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the detection information sent by the gateway node is no longer responded, so that the gateway node starts the disaster recovery procedure to implement fault recovery of the IP multimedia services. By the embodiment of the invention, the PSBC-U surface full fault scene of PSBC-C connection is found in time, a disaster recovery mechanism is executed, IMS service failure is prevented, and the efficiency of IMS service is improved.
The embodiment of the present invention further provides an electronic device, based on the same technical concept, for executing the IP multimedia service fault processing method provided in the foregoing embodiment of the present invention, and fig. 6 is a schematic structural diagram of an electronic device implementing each embodiment of the present invention, as shown in fig. 6. The electronic device may vary considerably in configuration or performance and may include one or more processors 601 and memory 602, where the memory 602 may store one or more stored applications or data. Wherein the memory 602 may be transient storage or persistent storage. The application programs stored in the memory 602 may include one or more modules (not shown), each of which may include a series of computer-executable instructions for use in an electronic device. Still further, the processor 601 may be arranged to communicate with the memory 602 and execute a series of computer executable instructions in the memory 602 on an electronic device. The electronic device may also include one or more power supplies 603, one or more wired or wireless network interfaces 604, one or more input/output interfaces 605, and one or more keyboards 606.
In this embodiment, the electronic device includes a processor, a communication interface, a memory, and a communication bus; the processor, the communication interface and the memory complete communication with each other through a bus; the memory is used for storing a computer program; the processor is configured to execute the program stored in the memory, and implement the following method steps:
the gateway node sends detection information to a proxy session border controller network element PSBC-C of a control plane, and when the proxy session border controller network element PSBC-C of the control plane is in a state of monitoring that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the gateway node cannot receive the response of the proxy session border controller network element PSBC-C of the control plane to the control information;
if the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the control message, starting a disaster recovery flow, so that the target terminal realizes the fault recovery of the IP multimedia service by re-executing the registration flow; the target terminal is a terminal of a proxy session border controller network element PSBC-C using the control plane.
Embodiments of the present application also provide a computer readable storage medium having stored therein a computer program which when executed by a processor performs the following method steps:
the gateway node sends detection information to a proxy session border controller network element PSBC-C of a control plane, and when the proxy session border controller network element PSBC-C of the control plane is in a state of monitoring that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the gateway node cannot receive the response of the proxy session border controller network element PSBC-C of the control plane to the control information;
if the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the control message, starting a disaster recovery flow, so that the target terminal realizes the fault recovery of the IP multimedia service by re-executing the registration flow; the target terminal is a terminal of a proxy session border controller network element PSBC-C using the control plane.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, the electronic device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (9)
1. A method for processing an IP multimedia service failure, the method comprising:
the gateway node sends detection information to a proxy session border controller network element PSBC-C of a control plane, and when the proxy session border controller network element PSBC-C of the control plane is in a state of monitoring that all connected proxy session border controller network elements PSBC-U of the media plane generate faults, the gateway node cannot receive the response of the proxy session border controller network element PSBC-C of the control plane to the detection information;
if the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the detection information, starting a disaster recovery process, so that the target terminal realizes the fault recovery of the IP multimedia service by re-executing the registration process; the target terminal is a terminal of a proxy session border controller network element PSBC-C using the control plane;
if the gateway node does not receive the response to the detection information from the proxy session border controller network element PSBC-C of the control plane, the disaster recovery process is started to enable the target terminal to realize the fault recovery of the IP multimedia service by re-executing the registration process, and the method comprises the following steps:
and when the gateway node does not receive the response of the proxy session border controller network element PSBC-C of the control plane to the detection information, selecting a new network element address from an address list, and sending the new network element address to a target terminal using the proxy session border controller network element PSBC-C of the control plane so that the target terminal re-executes a registration process according to the new network element address.
2. The IP multimedia service failure handling method according to claim 1, wherein the gateway node, when not receiving a response to the probe information by a proxy session border controller network element PSBC-C of a control plane, further comprises:
and the network node marks the network element address corresponding to the proxy session boundary controller network element PSBC-C of the control plane in the address list as abnormal state.
3. The IP multimedia service failure processing method of claim 2, wherein the gateway node comprises: distributing gateway node DGW and centralized gateway node CGW, the gateway node selecting new network element address from address list and sending to target terminal of proxy session boundary controller network element PSBC-C using the control plane, so that the target terminal re-executes registration flow according to the new network element address, comprising:
the distributed gateway node DGW selects at least two new network element addresses from the address list and sends the new network element addresses to the concentrated gateway node CGW;
a centralized gateway node CGW sends the at least two new network element addresses to a target terminal of a proxy session border controller network element PSBC-C using the control plane;
and the target terminal selects a target network element address from at least two new network element addresses, and re-executes the registration process according to the target network element address.
4. A method of handling IP multimedia service failures as claimed in claim 3, said centralized gateway node CGW sending said at least two new network element addresses to a target terminal of a proxy session border controller network element PSBC-C using said control plane, comprising:
the concentrated gateway node CGW inquires a target terminal of a proxy session border controller network element PSBC-C using the control plane from the context information of a packet data protocol PDP according to the network element address marked as abnormal state;
the centralized gateway node CGW sends the at least two new network element addresses to the target terminal.
5. The IP multimedia service failure handling method according to claim 4, wherein the distributed gateway node DGW selecting at least two new network element addresses from the address list to send to the centralized gateway node CGW, comprising:
the distributed gateway node DGW selects at least two new network element addresses from the address list, encapsulates them in a Sx session report request message and sends them to the centralized gateway node CGW.
6. The IP multimedia service failure processing method according to any one of claims 1 to 5, wherein the probe information is probe information transmitted in the manner of an internet probe information protocol ICWP.
7. A method for processing an IP multimedia service failure, the method comprising:
when executing IP multimedia service, if the proxy session border controller network element PSBC-C of the control plane monitors that all the proxy session border controller network elements PSBC-U of the connected media plane generate faults, no response is made to the detection information sent by the gateway node, so that the gateway node starts a disaster recovery process to realize fault recovery of the IP multimedia service;
wherein, the method for enabling the gateway node to start the disaster recovery process to realize the fault recovery of the IP multimedia service includes:
the proxy session boundary controller (PSBC-C) of the control plane receives a new network element address sent by the gateway node;
and the proxy session border controller network element PSBC-C of the control plane sends the new network element address to a target terminal so that the target terminal re-executes a registration process according to the new network element address, wherein the target terminal is a terminal using the proxy session border controller network element PSBC-C of the control plane.
8. An electronic device comprising a processor, a communication interface, a memory, and a communication bus; the processor, the communication interface and the memory complete communication with each other through a bus; the memory is used for storing a computer program; the processor is configured to execute a program stored in the memory, and implement the steps of the IP multimedia service fault handling method according to any one of claims 1 to 6.
9. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the IP multimedia service failure handling method steps of any of claims 1-6.
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