CN112698939A - Operation maintenance method and system for ATCA architecture core network - Google Patents
Operation maintenance method and system for ATCA architecture core network Download PDFInfo
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
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Abstract
The invention provides an operation maintenance method and a system of an ATCA architecture core network, comprising the following steps: starting each single board process by an ATCA control module; the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards; the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module. The operation maintenance management method based on the ATCA framework core network equipment provided by the invention reduces the operation maintenance management complexity of the core network equipment, improves the deployment efficiency of the system and the use efficiency of users, and enables the core network equipment to have the characteristics of high cost performance, high stability, high reliability, modularization, strong compatibility, flexible configuration, expandability and the like.
Description
Technical Field
The present invention relates to the field of communication operation and maintenance technologies, and in particular, to an operation and maintenance method and system for an ATCA core network.
Background
With the rapid development of communication technology, the core network field therein is also developed to be mature, and the requirements on the performance, reliability, stability, expandability and the like of core network equipment are also higher and higher.
The existing core network is generally built on a common server architecture, that is, all tasks are operated on the same server, so that the following disadvantages exist: the load of a single server is large, and the performance of the equipment is not high; the backup function of the server is not provided, and the reliability is not high; the system capacity, power consumption and bandwidth are fixed, and flexible configuration is inconvenient; it is inconvenient to expand.
The core network based on the ATCA (Advanced Computing Architecture) Architecture can distribute different tasks on different boards of the server according to different loads, reduce the operating pressure of each board, and improve the performance of the core network device, and has the following characteristics: the stability and the reliability are high, and even if a single board has a problem, the single board can be automatically switched to a standby board; the system capacity, the single board space and the bandwidth can be flexibly configured on the premise of not exceeding the upper limit so as to meet the exchange of users or services; the expandability is strong, and the expansion of the equipment can be carried out according to the needs of products.
The ATCA bus mainly aims at telecom operation level application, provides a hardware framework with high cost performance, modularization, strong compatibility and expandability for next generation communication and data network application, and is presented in a module structure form to meet the modern requirement on high-speed data transmission and provide a reliable, usable and applicable solution for new generation telecom operation equipment. The adoption of an open, universal platform architecture is a major direction in the development of telecommunication equipment. The ATCA can better meet the requirements of telecom application on single board space, power consumption, bandwidth and system management. The OAM (Operation Administration and Maintenance) software of the core network based on the common server can only realize the management of a single board, and cannot support the management of the ATCA architecture based multi-board server.
Disclosure of Invention
The invention provides an operation maintenance method and system of an ATCA architecture core network, which are used for solving the defect that only single board management can be realized aiming at ATCA architecture core network equipment in the prior art.
In a first aspect, the present invention provides an operation and maintenance method for an ATCA core network, including:
starting each single board process by an ATCA control module;
the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards;
the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
Further, still include:
an OAM database and a Mysql database are configured on each board card, database information of each OAM agent module is transmitted to the OAM main control module through a message mechanism, and the OAM main control module performs data synthesis and interaction with an OMC or an EMS.
Further, the starting, by the ATCA control module, each board process specifically includes:
the slot position power supply information is obtained through the ipmitool to judge whether each slot position is inserted into the board card or not, and board card deployment is carried out according to the slot position state;
sending the corresponding starting configuration file to the corresponding single board according to different single board deployment processes;
and setting the working state identifier of each single board.
Further, the OAM master control module manages the corresponding board services, and is responsible for unified external interface of the corresponding boards and comprehensive data processing of each board, and the OAM master control module specifically includes:
maintaining the process and state information of each board card;
receiving external messages, distributing the external messages to different board cards, receiving the messages of all the board cards, and sending the messages of all the board cards to an external interface after being integrated;
integrating the messages with correlation in the messages sent by each single board to the OAM main control module and then sending the integrated messages to the outside;
and the connection management is responsible for maintaining the communication connection between the external client and other internal single boards.
Further, the completing, by the OAM agent module, service management of the corresponding board and message interaction with the OAM main control module specifically includes:
the connection management is responsible for maintaining the communication connection of the master control OAM single board;
receiving and processing the message sent by the OAM main control module;
and sending an outward sending message to the OAM main control module.
Further, the OAM agent module completes service management of the corresponding board and message interaction with the OAM main control module, and then further includes:
adding a first board identifier and a second board identifier to the head of the existing message, wherein the first board identifier is used for identifying a destination board number for sending the message, and the second board identifier is used for identifying a source board number for sending the message.
In a second aspect, the present invention further provides an operation and maintenance system for an ATCA core network, including:
the first processing module is used for starting each single board process by the ATCA control module;
the second processing module is used for completing the management of the corresponding board card service by the OAM main control module, and is responsible for unified external interfaces of the corresponding board cards and comprehensive data processing of all the board cards;
and the third processing module is used for completing the service management of the corresponding single board by the OAM agent module and interacting the message with the OAM main control module.
Further, still include:
and the fourth processing module is used for configuring an OAM database and a Mysql database on each board card, transmitting the database information of each OAM agent module to the OAM main control module through a message mechanism, and performing data synthesis and interaction with an OMC or EMS by the OAM main control module.
In a third aspect, the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the operation and maintenance method for the ATCA core network when executing the program.
In a fourth aspect, 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 steps of the operation and maintenance method for the ATCA architecture core network.
According to the operation maintenance method and system of the ATCA architecture core network provided by the invention, the operation maintenance management complexity of the core network equipment is reduced, the deployment efficiency of the system and the use efficiency of users are improved, and the core network equipment has the characteristics of high cost performance, high stability, high reliability, modularization, strong compatibility, flexible configuration, expandability and the like.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for 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 schematic flow chart of an operation and maintenance method of an ATCA architecture core network provided in the present invention;
fig. 2 is a schematic diagram of an OAM module layout provided by the present invention;
FIG. 3 is a flow chart of an ATCA control module provided by the present invention;
fig. 4 is a schematic diagram of the ATCA14 block board card process deployment provided by the present invention;
FIG. 5 is a schematic diagram of the ATCA8 block board card process deployment provided by the present invention;
fig. 6 is a schematic diagram of the ATCA6 block board card process deployment provided by the present invention;
fig. 7 is a schematic structural diagram of an operation and maintenance system of an ATCA architecture core network provided in the present invention;
fig. 8 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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.
Fig. 1 is a schematic flow chart of an operation and maintenance method of an ATCA core network provided in the present invention, as shown in fig. 1, including:
s1, starting each single board process by ATCA control module;
s2, the OAM main control module manages the corresponding board card service, and is responsible for the unified external interface of the corresponding board card and the comprehensive data processing of each board card;
and S3, the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
Specifically, the OAM software of the core network implements functions of the whole device or board providing an interface for operation, maintenance and management, supporting management of the OMC/EMS, taking charge of starting a process, managing various resources in the device, providing a configuration and query interface for parameters on the device, monitoring the state of the device resources, providing performance statistics data, and the like.
As shown in fig. 2, the present invention divides the OAM function into 3 parts: the system comprises an ATCA control module, an OAM main control module and an OAM agent module; the ATCA control module is responsible for starting related functions of each single board of a core network of the whole ATCA architecture, the OAM main control module is responsible for completing management functions (similar to the function of an independent OAM agent module) of the services of the board card, and is also responsible for unified external interfaces (OMC and EMS) for comprehensively processing the data of the board cards, and the OAM agent module is responsible for service management of the board card and message interaction with the OAM main control module.
According to the operation maintenance management method based on the ATCA architecture core network equipment, the operation maintenance management complexity of the core network equipment is reduced, the deployment efficiency of a system and the use efficiency of a user are improved, and the core network equipment has the characteristics of high cost performance, high stability, high reliability, modularization, strong compatibility, flexible configuration, expandability and the like.
Based on the above embodiment, further include:
an OAM database and a Mysql database are configured on each board card, database information of each OAM agent module is transmitted to the OAM main control module through a message mechanism, and the OAM main control module performs data synthesis and interaction with an OMC or an EMS.
Specifically, each single board card is provided with an OAM database and a mysql database, each board card is responsible for maintaining own data, database information of each agent OAM module can be transmitted to the main control OAM module through a message mechanism, and the main control OAM module performs data synthesis and completes interaction with the OMC/EMS.
Based on any of the above embodiments, step S1 in the method specifically includes:
the slot position power supply information is obtained through the ipmitool to judge whether each slot position is inserted into the board card or not, and board card deployment is carried out according to the slot position state;
sending the corresponding starting configuration file to the corresponding single board according to different single board deployment processes;
and setting the working state identifier of each single board.
Specifically, slot power supply information is acquired through the ipmitool to judge whether each slot is provided with an inserted board, and which board is deployed correspondingly is judged according to the state of the slot. And sending a starting configuration file to the corresponding single board according to different board card deployments, wherein the configuration file contains the process information of the single board in use. The ATCA control module also sets each board identifier (main control board and agent board). In actual operation, according to the size change of different task loads, the configuration file can be modified to adjust the task types operated on different single boards to realize load balance and capacity expansion.
Based on any of the above embodiments, step S2 in the method specifically includes:
maintaining the process and state information of each board card;
receiving external messages, distributing the external messages to different board cards, receiving the messages of all the board cards, and sending the messages of all the board cards to an external interface after being integrated;
integrating the messages with correlation in the messages sent by each single board to the OAM main control module and then sending the integrated messages to the outside;
and the connection management is responsible for maintaining the communication connection between the external client and other internal single boards.
Specifically, the OAM master control module is responsible for maintaining the process and state information of each board card; and is responsible for information interaction with an external interface. And receiving external messages and distributing the external messages to different board cards according to the needs. Simultaneously receiving the messages of each board card, and sending the messages to an external interface after the messages are synthesized; the method is used for message integration, and for messages sent to the main control OAM by each single board, if the messages belong to messages with correlation, data needs to be integrated and then sent to the outside; and completing the service processing of the board card, including but not limited to start-up, connection management, DB management, SQL management, alarm management, health check, PM management, KPI report, observation station, process monitoring and hot standby functions, wherein the connection management is responsible for maintaining the communication connection between the external client and other internal single boards.
Based on any of the above embodiments, step S3 in the method specifically includes:
the connection management is responsible for maintaining the communication connection of the master control OAM single board;
receiving and processing the message sent by the OAM main control module;
and sending an outward sending message to the OAM main control module.
Specifically, the OAM proxy module is responsible for completing the service processing of the board card, including but not limited to the functions of start-up, connection management, DB management, SQL management, alarm management, health check, PM management, KPI reporting, observation desk, process monitoring and hot standby, and the connection management is responsible for maintaining the communication connection to the main control OAM board; receiving a master control OAM message and carrying out corresponding processing; and sending the message to be sent out to the master OAM.
Based on any embodiment, the method further includes, after step S3:
adding a first board identifier and a second board identifier to the head of the existing message, wherein the first board identifier is used for identifying a destination board number for sending the message, and the second board identifier is used for identifying a source board number for sending the message.
Specifically, in order to implement a communication mechanism of messages between different boards, two board identifiers, namely a first board identifier and a second board identifier, need to be added to a header of an existing message, and respectively identify a target board number and an original board number to which the message needs to be sent, so that the message is conveniently sent and replied between the boards.
Based on any of the above embodiments, the present invention uses several typical ATCA single board deployment models to describe specific implementations.
The ATCA control module is responsible for starting related functions of each board of the entire ATCA architecture core network, as shown in fig. 3, the ATCA control module acquires slot power supply information through ipmitool to judge whether each slot has an inserted board card, and the slot is determined according to a return value of a command, wherein 0 indicates that the slot has the board card; 1 indicates that the slot has no board, such as ipmitool-t 0x82 fru. And judging which board card deployment corresponds to according to the slot position state, and sending a starting configuration file (osp.conf) to the corresponding board card according to different board card deployments. The osp.conf needs to formulate three sets in advance, each set contains the process information of the veneer in use, each veneer mark (main control board and proxy board) is set, the default 3-number board and 4-number board are the main control board, the command is: and obtaining the slot number of the board card according to the mapping relation between the IPMB-0Address and the slot number in the query result of the ipmitool pictg Address, and setting a board identifier, wherein specific deployments of 14 board cards, 8 board cards and 6 board cards are respectively shown in fig. 4, 5 and 6.
According to the deployment conditions of the three board card processes, the OAM side defines three starting folders: osp _ conf _6, osp _ conf _8, osp _ conf _ 14; defining a starting file corresponding to each single board under each folder (naming rule: osp _ conf _ board number, wherein 6, 8 and 14 correspond to one board process deployment respectively), and sending a starting configuration file (osp.conf) to the corresponding single board according to different board deployments, wherein the naming rule is as follows: osp _ card number _ slot number, which is specifically defined as follows:
for a model using 6 boards, the configuration file contains the following 4 files: osp _6_3.conf, osp _6_5.conf, osp _6_4.conf, osp _6. conf; each profile lists the processes that need to be started. For example: osp _6_3. processes to be started in conf files are: mini HSS, trains and master control OAM. The odd board card is the current board card that uses, and the even board card is reserve board card, when the current board card that uses goes wrong, automatic switch to reserve board card, improves the stability and the reliability of system.
Similarly, for the model using 8 boards, the configuration file contains 6 files, and for the model using 14 boards, the configuration file contains 12 files, and the content of the files is consistent with the content principle of the configuration file of the above 6 board models.
Here, the OAM master control module needs to know which processes are respectively run on each board, the real-time running state of each process, and a target board to which a message is forwarded is determined according to the running state of the processes on each board, for example, for a 14-board deployment mode, the OAM master control module receives a message sent to a process nst, queries a process transition state, obtains that nst is running on boards 5, 7, and 13, and if nst processes of three boards are all running normally, forwards the message to boards 5, 7, and 13, respectively. And the OAM main control module receives the external message and distributes the external message to different board cards according to the needs. And meanwhile, receiving the messages of all the board cards, and sending the messages to an external interface after the messages are synthesized. For example, the OMC sends a health check instruction to the core network, the main control OAM receives the message, and forwards the message to all board cards while performing a health check task, each board card agent OAM returns a result to the main control OAM after performing a health check, and the main control OAM summarizes and processes the message and then reports the information to the OMC. And the system is also responsible for message integration, and for messages sent to the main control OAM by each single board, if the messages belong to messages with correlation, the data needs to be integrated and then sent to the outside. For example, the observation station module collects the observation station data of the local board and sends the observation station data to the main control OAM, and the main control OAM integrates the data sent by each board and the data of the own board, performs necessary calculation (including addition, subtraction, averaging, and the like), and integrates the data into one piece of data to be reported to the external client. And for example, the alarm module receives the alarm information sent by each OAM agent single board, performs comprehensive processing to generate uniform alarm information containing all the single boards, integrates the alarm information into an alarm file, and reports the alarm file to the client.
Here, the OAM agent module is responsible for the service management of the board and the message interaction with the OAM main control module, and is responsible for completing the service processing of the board card, including but not limited to start-up, connection management, DB management, SQL management, alarm management, health check, PM management, KPI reporting, observation desk, process monitoring and hot standby functions, especially the communication channels of the OAM boards of the agents in connection management, management and interior; receiving a main control OAM message and carrying out corresponding processing, for example, receiving a KPI report message sent by the main control OAM, collecting KPI information of a local board and then returning a result to the main control OAM; and sending the message to be sent to the main control OAM, for example, automatically collecting the performance information of the local board at regular time and reporting the performance information to the main control OAM, and integrating the information by the main control OAM and then reporting the information to the client.
The following describes the operation and maintenance system of the ATCA architecture core network provided by the present invention, and the operation and maintenance system of the ATCA architecture core network described below and the operation and maintenance method of the ATCA architecture core network described above may be referred to correspondingly.
Fig. 7 is a schematic structural diagram of an operation maintenance system of an ATCA core network provided in the present invention, as shown in fig. 7, including: a first processing module 71, a second processing module 72 and a third processing module 73; wherein:
the first processing module 71 is configured to start each board process by the ATCA control module; the second processing module 72 is configured to complete management of services of the corresponding board card by the OAM master control module, and is responsible for unified external interface of the corresponding board card and comprehensive data processing of each board card; the third processing module 73 is configured to complete service management of a corresponding board by the OAM agent module, and perform message interaction with the OAM main control module.
According to the operation maintenance management method based on the ATCA architecture core network equipment, the operation maintenance management complexity of the core network equipment is reduced, the deployment efficiency of a system and the use efficiency of a user are improved, and the core network equipment has the characteristics of high cost performance, high stability, high reliability, modularization, strong compatibility, flexible configuration, expandability and the like.
Fig. 8 illustrates a physical structure diagram of an electronic device, and as shown in fig. 8, the electronic device may include: a processor (processor)810, a communication interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication interface 820 and the memory 830 communicate with each other via the communication bus 840. Processor 810 may invoke logic instructions in memory 830 to perform an operation maintenance method for an ATCA architecture core network, the method comprising: starting each single board process by an ATCA control module; the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards; the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
In addition, the logic instructions in the memory 830 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 solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes 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 method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In another aspect, the present invention also provides a computer program product, which includes a computer program stored on a non-transitory computer-readable storage medium, the computer program including program instructions, when the program instructions are executed by a computer, the computer being capable of executing the method for operation and maintenance of an ATCA architecture core network provided by the above methods, the method including: starting each single board process by an ATCA control module; the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards; the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
In yet another aspect, the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to perform the above-mentioned operation and maintenance method for an ATCA architecture core network, the method including: starting each single board process by an ATCA control module; the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards; the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
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 (10)
1. An operation maintenance method for an ATCA architecture core network is characterized by comprising the following steps:
starting each single board process by an ATCA control module;
the OAM main control module is used for managing the corresponding board card service and is responsible for unified external interface of the corresponding board cards and comprehensive data processing of all the board cards;
the OAM agent module completes the service management of the corresponding single board and the message interaction with the OAM main control module.
2. The method for operating and maintaining an ATCA core network according to claim 1, further comprising:
an OAM database and a Mysql database are configured on each board card, database information of each OAM agent module is transmitted to the OAM main control module through a message mechanism, and the OAM main control module performs data synthesis and interaction with an OMC or an EMS.
3. The operation maintenance method of an ATCA architecture core network according to claim 1 or 2, wherein the starting of each board process by the ATCA control module specifically includes:
the slot position power supply information is obtained through the ipmitool to judge whether each slot position is inserted into the board card or not, and board card deployment is carried out according to the slot position state;
sending the corresponding starting configuration file to the corresponding single board according to different single board deployment processes;
and setting the working state identifier of each single board.
4. The operation and maintenance method of the ATCA core network according to claim 1, wherein the OAM master control module manages the corresponding board services, and is responsible for unified external interface of the corresponding boards and comprehensive data processing of each board, and specifically includes:
maintaining the process and state information of each board card;
receiving external messages, distributing the external messages to different board cards, receiving the messages of all the board cards, and sending the messages of all the board cards to an external interface after being integrated;
integrating the messages with correlation in the messages sent by each single board to the OAM main control module and then sending the integrated messages to the outside;
and the connection management is responsible for maintaining the communication connection between the external client and other internal single boards.
5. The operation and maintenance method of an ATCA architecture core network according to claim 1, wherein the OAM agent module completes service management of a corresponding board and message interaction with the OAM main control module, specifically comprising:
the connection management is responsible for maintaining the communication connection of the master control OAM single board;
receiving and processing the message sent by the OAM main control module;
and sending an outward sending message to the OAM main control module.
6. The operation and maintenance method of an ATCA architecture core network according to claim 1, wherein the OAM agent module completes service management of a corresponding board and message interaction with the OAM main control module, and then further comprising:
adding a first board identifier and a second board identifier to the head of the existing message, wherein the first board identifier is used for identifying a destination board number for sending the message, and the second board identifier is used for identifying a source board number for sending the message.
7. An operation maintenance system of an ATCA core network, comprising:
the first processing module is used for starting each single board process by the ATCA control module;
the second processing module is used for completing the management of the corresponding board card service by the OAM main control module, and is responsible for unified external interfaces of the corresponding board cards and comprehensive data processing of all the board cards;
and the third processing module is used for completing the service management of the corresponding single board by the OAM agent module and interacting the message with the OAM main control module.
8. The operation and maintenance system of an ATCA architecture core network according to claim 7, further comprising:
and the fourth processing module is used for configuring an OAM database and a Mysql database on each board card, transmitting the database information of each OAM agent module to the OAM main control module through a message mechanism, and performing data synthesis and interaction with an OMC or EMS by the OAM main control module.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method for operation and maintenance of an ATCA architecture core network according to any of claims 1 to 6 when executing the computer program.
10. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the ATCA architecture core network operation maintenance method according to any of claims 1 to 6.
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