CN108989284B - Service triggering method, storage medium and application server - Google Patents

Service triggering method, storage medium and application server Download PDF

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Publication number
CN108989284B
CN108989284B CN201810580370.5A CN201810580370A CN108989284B CN 108989284 B CN108989284 B CN 108989284B CN 201810580370 A CN201810580370 A CN 201810580370A CN 108989284 B CN108989284 B CN 108989284B
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server
service
service request
list
configuration table
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CN108989284A (en
Inventor
刘毅强
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Shenzhen Genew Technologies Co Ltd
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Shenzhen Genew Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10Architectures or entities
    • H04L65/1045Proxies, e.g. for session initiation protocol [SIP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10Architectures or entities
    • H04L65/1016IP multimedia subsystem [IMS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10Architectures or entities
    • H04L65/1063Application servers providing network services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1004Server selection for load balancing
    • H04L67/1008Server selection for load balancing based on parameters of servers, e.g. available memory or workload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/60Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/63Routing a service request depending on the request content or context

Abstract

The invention discloses a service triggering method, a storage medium and an application server, wherein the method comprises the following steps: the method comprises the steps that an S-CSCF receives a service request, and selects an AS server list corresponding to the service request from a service configuration table acquired in advance, wherein the AS server list comprises the same service types corresponding to AS servers; searching an AS server corresponding to the service request in the AS server list according to a preset rule; and when the AS server is found, sending the service request to the AS server to trigger the service request. The invention divides the AS servers for the same service type into a service group, and the S-CSCF can acquire the load condition of each AS server in the same service group in real time and select the AS servers in the service group according to the priority configuration and load balancing method, thereby facilitating operators to dynamically deploy large-scale AS servers of the IMS network.

Description

Service triggering method, storage medium and application server
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a service triggering method, a storage medium, and an application server.
Background
When an IMS (IP Multimedia Subsystem) terminal registers in an IMS network, a serving Call Session Control function S-cscf (serving Call Session Control function) downloads ifcs (Initial Filter Criteria) in service information of subscription data of a relevant user from an HSS (Home Subscriber Server). The S-CSCF looks up the name of an AS (Application Server) Server according to the ifc filtering rule of the calling subscriber during processing of the call, and then routes the call to a designated AS Server according to the name of the AS Server. In a large-scale IMS network application, a plurality of S-CSCFs are often deployed, and a plurality of AS application servers are also deployed to manage basic supplementary services, so that for the same service, a problem arises AS to how to allocate an IMS user to which specific AS application server.
In order to solve the above-mentioned methods, the following two methods are currently generally used:
the first method comprises the following steps: when an IMS user opens an account, a specific AS server is appointed, and an operator is not easy to dynamically increase or reduce the deployment of the AS server;
the second method comprises the following steps: the AS servers of the same type provide uniform names for external applications, the DNS server is used for searching specific AS server addresses, and the DNS is used for managing the selection problem of load sharing of the AS servers. But each call needs to access the DNS server, which inevitably causes the DNS to become a performance bottleneck of the system, and if the DNS server breaks down, the whole system will malfunction.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the shortcomings of the prior art, an object of the present invention is to provide a service triggering method, a storage medium and an application server.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method of service triggering, comprising:
the method comprises the steps that an S-CSCF receives a service request, and selects an AS server list corresponding to the service request from a service configuration table acquired in advance, wherein the AS server list comprises the same service types corresponding to AS servers;
searching an AS server corresponding to the service request in the AS server list according to a preset rule;
and when the AS server is found, sending the service request to the AS server to trigger the service request.
In the service triggering method, the step of receiving a service request by the S-CSCF and before selecting an AS server list corresponding to the service request in a service configuration table acquired in advance includes:
and when the S-CSCF is electrified and started, downloading a service group configuration table through a network manager, wherein the service group configuration table comprises at least one AS server list.
In the service triggering method, the step of receiving a service request by the S-CSCF and selecting an AS server list corresponding to the service request from a service configuration table acquired in advance specifically includes:
the method comprises the steps that S-CSCF receives a service request, and a service group name corresponding to the service request is screened by adopting a pre-acquired initial filter rule iFC;
and selecting an AS server list of the service group corresponding to the service group name in the service group configuration table according to the service group name.
In the service triggering method, the searching for the AS server corresponding to the service request in the AS server list according to a preset rule specifically includes:
reading a first AS server linked list of a first priority, and searching an AS server corresponding to the service request in the first AS server linked list, wherein the AS servers contained in the first AS server linked list have the same priority;
and if the AS server is not found, reading a second AS server linked list of a second priority, finding the AS server corresponding to the service request in the second AS server linked list, and repeating the steps until the AS server or all the AS server linked lists are found.
In the service triggering method, the reading the first AS server linked list of the first priority and searching for the AS server corresponding to the service request in the first AS server linked list specifically includes:
reading a first AS server linked list of a first priority, and acquiring a first load of a first AS server in the AS server linked list;
judging whether the first load reaches a preset load or not;
and if the reserved load is reached, acquiring a second load of a second AS server in the AS server linked list, and sequentially circulating until the AS server is found or the first AS server linked list is found.
In the service triggering method, when the AS server is found, the sending the service request to the AS server to trigger the service request further includes:
and the S-CSCF acquires the third load of the AS server and updates an AS server list by adopting the load.
In the service triggering method, the method further includes:
S-CSCF receives the current service group configuration table synchronized by the network management and compares the current service group configuration table with the downloaded service group configuration table;
and when the two are not consistent, downloading the current service group configuration table, and updating the downloaded service group configuration table by adopting the current service group configuration table.
A computer readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps in the service triggering method as described in any above.
An application server, comprising: the device comprises a processor, a memory and a communication bus, wherein the memory is stored with a computer readable program which can be executed by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the service triggering method as described in any of the above.
Has the advantages that: compared with the prior art, the invention provides a service triggering method, a storage medium and an application server, wherein the method comprises the following steps: the method comprises the steps that an S-CSCF receives a service request, and selects an AS server list corresponding to the service request from a service configuration table acquired in advance, wherein the AS server list comprises the same service types corresponding to AS servers; searching an AS server corresponding to the service request in the AS server list according to a preset rule; and when the AS server is found, sending the service request to the AS server to trigger the service request. The invention divides the AS servers for the same service type into a service group, and the S-CSCF can acquire the load condition of each AS server in the same service group in real time and select the AS servers in the service group according to the priority configuration and load balancing method, thereby facilitating operators to dynamically deploy large-scale AS servers of the IMS network.
Drawings
Fig. 1 is a flowchart of a service triggering method according to a preferred embodiment of the present invention.
Fig. 2 is a flowchart of searching an AS server list in the service triggering method provided in the present invention.
Fig. 3 is a flowchart of searching an AS server linked list in the service triggering method provided by the present invention.
Fig. 4 is a flowchart of load update of an S-CSCF calling an AS server in the service triggering method provided by the present invention.
Fig. 5 is a flowchart of load update of an AS calling S-CSCF server in the service triggering method provided by the present invention.
Fig. 6 is a flowchart of load update of AS call reception registration in the service triggering method provided in the present invention.
Fig. 7 is a schematic structural diagram of a preferred embodiment of an application server provided in the present invention.
Detailed Description
The present invention provides a service triggering method, a storage medium and an application server, and in order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Referring to fig. 1, fig. 1 is a flowchart illustrating a service triggering method according to a preferred embodiment of the present invention. The method comprises the following steps:
s10, the S-CSCF receives the service request, and selects an AS server list corresponding to the service request from a service configuration table acquired in advance, wherein the AS server list comprises the same service types corresponding to the AS servers.
Specifically, the service configuration table is used for storing a table of AS server information. The service configuration table stores service group names, AS server lists and corresponding relations of the service group names and the AS server lists. The service group name corresponds to the AS server list, and the service group name is the name of a service group formed by all AS servers contained in the AS server list. All the AS servers included in each service group have the same function, that is, all the AS servers included in each service group have the same service type for processing the service. That is to say, the service group name is the same name of all AS servers included in the service group corresponding to the service group name, a one-to-one mapping relationship exists between the service group name and the service type, the service group name corresponding to the service type can be determined according to the service type, and the AS server list corresponding to the service type can be searched according to the service group name, so AS to acquire the AS server for processing the service of the service type. In addition, the AS server list is configured with names, priorities, current loads, and load thresholds of all AS servers included in the corresponding service group, so that all AS servers for processing the service request, the priority, the current loads, and the load thresholds of each AS server can be searched through the AS server list. The AS server for processing the service request can be determined by the AS server list.
Meanwhile, in this embodiment, the service configuration table is network management data, which is obtained by downloading from the network management by the S-CSCF. Correspondingly, the step of receiving the service request by the S-CSCF, and before selecting the AS server list corresponding to the service request in the service configuration table acquired in advance, includes: and when the S-CSCF is electrified and started, downloading a service group configuration table through a network manager, wherein the service group configuration table comprises at least one AS server list. In addition, the service configuration table can be dynamically updated according to the configuration of the AS server, so that the AS server in each service packet can be added or searched under the condition that the S-CSCF does not shut down. Correspondingly, after the S-CSCF is powered on and started, the S-CSCF can acquire a current service group configuration table on a network management in real time or at intervals of preset time, and update a downloaded service group configuration table according to the current service group configuration table. That is, the service request triggering method may further include:
S-CSCF receives the current service group configuration table synchronized by the network management and compares the current service group configuration table with the downloaded service group configuration table;
and when the two are not consistent, downloading the current service group configuration table, and updating the downloaded service group configuration table by adopting the current service group configuration table.
Specifically, in the operation process of the S-CSCF, if the AS servers in the service group are added or subtracted, the AS server list corresponding to the service group in the service configuration table may be updated through the network management dynamic configuration function on the S-CSCF, the service configuration table is updated, and when the S-CSCF acquires the service configuration table, the updated current service configuration table is displayed to the S-CSCF, so that the S-CSCF realizes dynamic deployment of the AS servers without shutdown. In this embodiment, in order to reduce the load of the S-CSCF, after the service configuration table is updated by the network manager, the updated service configuration table is actively synchronized to the S-CSCF, so that the S-CSCF updates the downloaded service configuration table. That is, after the service configuration table is updated, the network manager synchronizes the updated service configuration table to the S-CSCF, so that the S-CSCF selects an AS to provide service according to a method to be implemented later, thereby implementing a function of dynamically deploying an AS server.
In addition, when the S-CSCF receives a service request, the S-CSCF matches the service according to the initial filter rule iFC acquired in advance to determine a destination service group name corresponding to the service request. Correspondingly, the step of receiving the service request by the S-CSCF, and selecting an AS server list corresponding to the service request from a service configuration table obtained in advance specifically includes:
the method comprises the steps that S-CSCF receives a service request, and a service group name corresponding to the service request is screened by adopting a pre-acquired initial filter rule iFC;
and selecting an AS server list of the service group corresponding to the service group name in the service group configuration table according to the service group name.
Specifically, the initial filter rule iFC is a part of user subscription data stored in a home subscriber server HSS, and is downloaded to an S-CSCF allocated to a user when the user registers, the iFC performs iFC screening according to a condition defining service triggering and a target AS service group when the S-CSCF processes a service request to determine a service group name corresponding to the service request, and then searches an AS server list corresponding to the service request according to the service group name in a service configuration table, thereby determining the AS server list.
S20, searching the AS server corresponding to the service request in the AS server list according to a preset rule.
Specifically, the AS server list includes a plurality of AS server linked lists, each AS server linked list includes at least one AS server, and all the AS servers included in each AS server linked list have the same priority. The preset rule comprises two criteria, wherein the first criterion is that an AS server linked list is selected from top to bottom according to the preference, and the second criterion is that an AS server is selected from the AS servers according to the load of each AS server. Correspondingly, AS shown in fig. 2, the searching for the AS server corresponding to the service request in the AS server list according to the preset rule specifically includes:
s21, reading a first AS server linked list of a first priority, and searching an AS server corresponding to the service request in the first AS server linked list, wherein the AS servers contained in the first AS server linked list have the same priority;
s22, if not, reading a second AS server linked list of a second priority, searching the AS server corresponding to the service request in the second AS server linked list, and repeating the steps until the AS server or all AS server linked lists are searched;
s23, if the AS server is found, feeding back the found AS server to the S-CSCF;
and S24, if the AS server is not found after all the AS server linked lists are found, feeding back the search failure to the S-CSCF.
Specifically, the first AS server linked list and the second AS server linked list are stored in the AS server list, and the AS server linked lists are sequentially arranged from top to bottom according to the priority, that is, the priority of the first AS server linked list is higher than the priority of the second AS server linked list. At least one AS server is stored in each AS server linked list, and the priority levels of the AS servers contained in each AS server linked list are equal. In this embodiment, the priority is preset, for example, the service group name corresponding to the AS server list is service1. im.com, and the service group name includes 3 AS servers, which are as1.im.com, as2.im.com, and as3.im.com, respectively, where the priority of as1.im.com is 2, the priority of as2.im.com, and the priority of as3.im.com are 1, and meanwhile, the load thresholds of as1.im.com, as2.im.com, and as3.im.im.com are all 80. Then, the as1. im.com constitutes a first AS server linked list, and the as2. im.com and the as3. im.com constitute a second AS server linked list, where the first AS server linked list has a priority of 2 and the second AS server linked list has a priority of 1. That is to say, when an AS server is searched in an AS server list, first reading as1.ims.com contained in a first AS server linked list, and judging whether the as1.ims.com can process the service request; and when the processing can not be carried out, reading the as2.im.com and the as3.im.com contained in the second AS server chain table, respectively judging whether the as2.im.com and the as3.im.com can process the service request, and repeating the steps until the AS server is found or the AS server chain table is completely executed.
Meanwhile, in this embodiment, when the AS server is found, the AS server is used AS the AS server for processing the service request, and the S-CSCF triggers the AS server. And the completion of the execution of the AS server linked list indicates that the AS server is not found, if the AS server is not found, the load of the AS server configured in the current service group is overloaded, and the S-CSCF sends an alarm to the network manager, so that operation and maintenance personnel can conveniently decide whether to add a new AS server.
In addition, the AS server chain table is used for searching the AS server according to the load of each AS server. Correspondingly, AS shown in fig. 3, the reading the first AS server linked list of the first priority, and searching for the AS server corresponding to the service request in the first AS server linked list specifically includes:
s211, reading a first AS server linked list of a first priority, and acquiring a first load of a first AS server in the AS server linked list;
s212, judging whether the first load reaches a preset load or not;
s213, if the reserved load is reached, acquiring a second load of a second AS server in the AS server chain table, and sequentially circulating until the AS server is found or the first AS server chain table is found;
s214, if the AS server is searched, feeding back the searched AS server to the S-CSCF;
and S24, if the AS server in the first AS server linked list is searched, the AS server is not searched, feeding back the searched AS server, and reading the second AS server linked list.
Specifically, if the reserved load is reached, that is, the first AS server cannot respond to the service request, it may be determined whether the first AS server is the last AS server or not, and a second load of a second AS server is obtained. If the reserved load is reached, acquiring a second load of a second AS server in the AS server chain table specifically can be that if the reserved load is reached, judging whether the first AS server is the last server or not, if the first AS server is not the last server, acquiring the second load of the second AS server in the AS server chain table, and comparing the second load with the reserved load; and repeating the steps until the searched AS server obtains the first AS server linked list, and finishing the searching.
And S30, when the AS server is found, sending the service request to the AS server to trigger the service request.
Specifically, if the AS server is found, the AS server is fed back to the S-CSCF, so that the S-CSCF triggers the service request, that is, the AS server executes the service request.
Meanwhile, in this embodiment, AS shown in fig. 4, 5, and 6, when the S-CSCF sends a service request to the AS, the AS sends a service request to the S-CSCF, or the AS receives a registration request, the AS server obtains a load value at the current time, and feeds back the load value to the S-CSCF, so that the S-CSCF updates the load of each AS server in the service configuration table in real time. In addition, when the AS server releases the executed service, the AS server also obtains the load value at the current moment and feeds the load value back to the S-CSCF, so that the S-CSCF updates the load of each AS server in the service configuration table in real time. Therefore, the real-time performance of the load of each AS server stored in the service configuration table is ensured. In practical application, the S-CSCF acquires the load of the AS server in real time, and the AS load value is acquired in real time by adopting a method of expanding SIP message transfer information. According to the SIP syntax definition in section 25.1 of RFC3261, extended parameters can be customized in the VIA-extension part of the VIA header of the SIP message, in the format of token EQUAL queued, token defined AS "AsLoad", queued using the C letter plus two digits to represent the load percentage of the call class, or using the R letter plus two digits to represent the load percentage of the third party registration, e.g., the AS current call load is 45%, which can be represented by "AsLoad = C45". In order to avoid unnecessary performance loss of the S-CSCF caused by the fact that all messages sent by the AS to the S-CSCF include AS load information, it can be defined that the VIA headers of the first (except 100 try messages) response message of the AS and the last SIP request message sent to the S-CSCF carry the AS load information. If the AS load information is carried by the Bye request message or the Bye 200 OK response message, the AS load information represents the load quantity after the current call is released.
Correspondingly, the service triggering method further comprises the following steps:
and the S-CSCF acquires the third load of the AS server and updates an AS server list by adopting the load.
Specifically, the third load of the AS server acquired by the S-CSCF is divided into three cases, which are that the S-CSCF sends a service request to the AS, the AS sends a service request to the S-CSCF, or the AS receives a registration request. That is, when any one of the conditions that the S-CSCF sends a service request to the AS, the AS sends a service request to the S-CSCF, or the AS receives a registration request occurs, the AS feeds back the load of the current time to the S-CSCF.
Based on the service triggering method, the present invention further provides a computer-readable storage medium storing one or more programs, where the one or more programs are executable by one or more processors to implement the steps in the service triggering method according to any of the above embodiments.
Based on the above service triggering method, the present invention further provides an application server, as shown in fig. 7, which includes at least one processor (processor) 20; a display screen 21; and a memory (memory) 22, and may further include a communication Interface (Communications Interface) 23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 30 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store 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, may also be transient storage media.
In addition, the specific processes loaded and executed by the instruction processors in the storage medium and the application server are described in detail in the method, and are not stated herein.
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 (7)

1. A method for service triggering, comprising:
the method comprises the steps that an S-CSCF receives a service request, and selects an AS server list corresponding to the service request from a service group configuration table acquired in advance, wherein service types corresponding to AS servers contained in the AS server list are the same;
searching an AS server corresponding to the service request in the AS server list according to a preset rule;
when the AS server is found, the service request is sent to the AS server to trigger the service request; the VIA head of the first response message of the AS server and the last SIP request message sent to the S-CSCF carries an AS load message;
the searching for the AS server corresponding to the service request in the AS server list according to the preset rule specifically includes:
reading a first AS server linked list of a first priority, and searching an AS server corresponding to the service request in the first AS server linked list, wherein the AS servers contained in the first AS server linked list have the same priority;
if the AS server is not found, reading a second AS server linked list of a second priority, searching the AS server corresponding to the service request in the second AS server linked list, and repeating the steps until the AS server or all AS server linked lists are found;
the reading the first AS server linked list of the first priority and searching the AS server corresponding to the service request in the first AS server linked list specifically includes:
reading a first AS server linked list of a first priority, and acquiring a first load of a first AS server in the first AS server linked list;
judging whether the first load reaches a preset load or not;
and if the preset load is reached, acquiring a second load of a second AS server in the first AS server linked list, and sequentially circulating until the AS server is found or the first AS server linked list is found.
2. The service triggering method according to claim 1, wherein the S-CSCF receives a service request, and before selecting an AS server list corresponding to the service request in a service configuration table acquired in advance, comprises:
and when the S-CSCF is electrified and started, downloading a service group configuration table through a network manager, wherein the service group configuration table comprises at least one AS server list.
3. The service triggering method according to claim 1 or 2, wherein the receiving, by the S-CSCF, the service request, and selecting the AS server list corresponding to the service request in the pre-obtained service group configuration table specifically comprises:
the method comprises the steps that S-CSCF receives a service request, and a service group name corresponding to the service request is screened by adopting a pre-acquired initial filter rule iFC;
and selecting an AS server list of the service group corresponding to the service group name in the service group configuration table according to the service group name.
4. The service triggering method according to claim 1, wherein when the AS server is found, sending the service request to the AS server to trigger the service request further comprises:
and the S-CSCF acquires a third load of the AS server and updates an AS server list by adopting the third load.
5. The service triggering method as claimed in claim 1, wherein the method further comprises:
S-CSCF receives the current service group configuration table synchronized by the network management and compares the current service group configuration table with the downloaded service group configuration table;
and when the two are not consistent, downloading the current service group configuration table, and updating the downloaded service group configuration table by adopting the current service group configuration table.
6. A computer readable storage medium, storing one or more programs, which are executable by one or more processors, to implement the steps in the service triggering method according to any one of claims 1 to 5.
7. An application server, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the service triggering method according to any of claims 1-5.
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