CN100527883C - Method and system for insuring service chain service quality - Google Patents
Method and system for insuring service chain service quality Download PDFInfo
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- CN100527883C CN100527883C CNB2006100577993A CN200610057799A CN100527883C CN 100527883 C CN100527883 C CN 100527883C CN B2006100577993 A CNB2006100577993 A CN B2006100577993A CN 200610057799 A CN200610057799 A CN 200610057799A CN 100527883 C CN100527883 C CN 100527883C
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Abstract
The present invention discloses ensuring service chain service quality method and system. It contains service scheduling unit SB receiving service server transmitted precedence information carried service request, service strategy decision point SPDF requesting to make service priority translation; SPDF according to translated priority and service chain service listing selecting satisfying said priority condition next service server and notifying SB; SB transmitting received said service request to SPDF selected service server, said service server according to service request carried service priority to make service process. Said invented system includes service server, service scheduling unit SB and service strategy decision point SPDF. The present invention can ensure providing unified service priority strategy and steady service quality in one service chain.
Description
Technical field
The present invention relates to the communications field, related in particular to when user applies multinomial business, serve when forming business chain, guarantee the method and system of its service quality by dissimilar service servers.
Background technology
Development along with communication service, comprehensive business will get more and more, such as videoconference+Call Forwarding services, Virtual Private Network+prepayment service (VPN+PrePaid) etc., what the user faced is a composite service, composite service be by a series of service servers jointly for the user provides a business service, also can be called business packet.And the process of each service server service is formed a business chain.3GPP OSA (OpenService Access) working group has introduced the notion of service dispatching (Service Broker), solves the mutual and conflict between the application server of a plurality of business, and the composite service service is provided.As shown in Figure 1, a service dispatching unit (hereinafter to be referred as SB) interconnects with a plurality of dissimilar service servers, as IT field application server, session initiation protocol application server (SIP AS), Parlay/OSA application program (Parlay/OSA is a kind of application programming interfaces that can allow IT developer create telecommunication service fast, by 3GPP and Parlay normal structure definition standard), traditional intelligence net (Legacy IN) etc.; SB by with each service server interactive service solicited message, according to the arranging service on the business chain, realize service dispatching.
In the prior art, for a VPN and pre-payment contracted user, if customized the call screening business again, operator may customize such strategy: the user who belongs to certain VPN collective will obtain the higher grade of service (such as the division of gold medal, silver medal, Bronze Subscriber).But have only vpn server can know just that this user belongs to the VPN of high-grade service need be provided group user, pre-payment and call screening server all can't be known, make priority policy on other servers, can't be protected, such as belonging to high-grade calling on the vpn server, on prepaid server, may be taken as the call treatment of normal priority, even may be abandoned by overload.From this example as can be seen, have only above-mentioned three servers that high quality services all is provided, the user just can experience high quality services, and the service quality that any one server provides has problem, all will influence whole service quality.Therefore, in integrated service (relating to a plurality of service servers) when providing, need the service quality of a plurality of server solidarities to guarantee could guarantee the service quality of business, what promptly need to guarantee is the service quality of business chain.
From the above description as can be known, in the prior art between each service server, owing to can not transmit precedence information each other, finish the service server of different business function on the business chain and handle current service request according to the Business Processing mode of oneself separately, cause the service quality of different business server inconsistent.Therefore, prior art can't guarantee to provide unified service priority strategy in a business chain.
Summary of the invention
The invention provides a kind of method and system that insures service chain service quality, guarantee to provide unified service priority policing issue in the business chain in order to solve can't being implemented in of existing in the prior art.
The inventive method comprises:
After A, service dispatching cell S B receive the service request of carrying service priority information of service server transmission, to the translation of business game decision point SPDF request carrying out service priority;
B, SPDF are according to service priority after translating and the arranging service on the business chain, and selection is satisfied the next service server of the service priority condition after this translation and notified SB;
The described service request that C, SB will receive sends to the service server that SPDF selects, and carries out Business Processing by this service server according to the service priority that carries in the service request.
Among the described step C, the current business server if need call other service server or when business transferred to other service server and handle, send the service request of carrying service priority information to described SB, goes to steps A in carrying out the service logic process.
According to said method of the present invention, the service priority information that the current business server carries in the service request that SB sends is the service priority information of new configuration, or adopts the service priority information of carrying in the service request that self receives.
According to said method of the present invention, first information table is set in described SPDF;
The service priority that service server is supported self is registered to SB, by SB the service priority information of service server and its support is registered to described SPDF, deposits in the described first information table;
Among the described step B, SPDF selects to satisfy the next service server of priority conditions in described first information table, and the corresponding sign of selecting of service server is returned to SB.
According to said method of the present invention, second information table is set, the corresponding relation of storage service server service quality index of correlation and precedence information in described SPDF;
Described service server periodically reports described SDPF with the service quality index of correlation of self dynamic change;
Described SDPF determines the current actual precedence information of supporting of each service server according to the reported result and described second information table of each service server; And with described first information table in the corresponding record of storing compare, if inconsistent, the precedence information of revising the corresponding service server registration of storing in the described first information table is its current actual precedence information of supporting.
According to said method of the present invention, do not carry precedence information if send to the service request of SB, SB according to the arranging service on the business chain adopt the load balancing principle or at random selection principle determine next service server.
According to said method of the present invention, after SB receives service request, judge at first whether this service request only exists a unique service server to handle, if then directly service request is sent to this unique service server; Otherwise, continue steps A.
According to said method of the present invention, if the service priority information of carrying in the service request is mandatory service priority, among the described step B, SPDF selects to satisfy the next service server of this mandatory service priority condition and notify SB;
If it is a plurality of that the service server that satisfies condition has, then according to the load balancing principle or at random selection principle determine next service server; If the service server that does not satisfy condition then returns failed message to SB;
Among the described step C, after SB receives failed message, return failed message to the service server of initiating service request.
According to said method of the present invention, if the service priority information of carrying in the service request is the selectivity service priority; Among the described step B, SPDF selects to satisfy the next service server of this selectivity service priority condition and notify SB;
If it is a plurality of that the service server that satisfies condition has, then according to the load balancing principle or at random selection principle determine next service server; If the service server that do not satisfy condition, then select one near the service server of selectivity service priority index.
The present invention provides a kind of system that insures service chain service quality in addition, comprising: service server, service dispatching cell S B and business game decision point SPDF;
Described SB is connected with described service server, and the interactive service solicited message realizes service dispatching;
Described SB is connected with described SPDF, after receiving the service request of carrying service priority information that service server sends, to the translation of SPDF request carrying out service priority;
Described SPDF carries out the service priority translation, and according to service priority after the translation and the arranging service on the business chain, selects to satisfy the next service server of this priority conditions and notify described SB; Described SB sends to the service server processing that SPDF selects with the service request that receives.
Include Registering modules among the described SB, receive the register requirement of the service priority information of carrying its support of service server transmission; And the service priority information of service server and its support is registered among the described SPDF.
Include first information table among the described SPDF, the service priority information of storage service server and its support.
Also include second information table among the described SPDF, the corresponding relation of storage service server service quality index of correlation and precedence information;
Described SPDF determines the current actual precedence information of supporting of each service server according to the service quality index of correlation and described second information table of self dynamic change of each service server periodic report; And with described first information table in the corresponding record of storing compare, if inconsistent, the precedence information of revising the corresponding service server registration of storing in the described first information table is its current actual precedence information of supporting.
Described SPDF is a logic entity, is arranged in the described SB; Perhaps described SPDF is physical entity independently.
Described service server is a plurality of, belongs to two or more dissimilar; Described SB is a plurality of, and each SB is the administrative section service server respectively.
Beneficial effect of the present invention is as follows:
(1) the present invention is by business transferring precedence information in business chain, make each related service server of business chain adopt the request of managing business of identical priority, reach and in a business chain, guarantee to provide unified service priority strategy and service quality guarantee, guarantee that the priority policy of operator's definition is implemented when relating to the multi-service server, thereby improve user's business experience.
(2) the present invention is by the corresponding relation at SPDF stored service server service quality index of correlation and precedence information, by the service quality index of correlation of SDPF, determine the current actual precedence information of supporting of each service server according to self dynamic change of each service server periodic report; When selecting next service server, carry out Dynamic Selection according to the current actual priority of supporting of each service server, generate the dynamic service chain, not only having guaranteed provides unified service priority implementation of strategies in a business chain, also improved the service efficiency of service server resource.
Description of drawings
Fig. 1 is prior art composite service scheduling schematic diagram;
Fig. 2 is the inventive method flow chart;
Fig. 3 is an embodiment of the invention Signalling exchange flow chart;
Fig. 4 is a system configuration schematic diagram of the present invention.
Embodiment
The method that in business chain, guarantees QoS provided by the invention, concrete steps comprise as shown in Figure 2:
Step S11, each service server are at concrete service application and the concrete service operation strategy custom service priority level of service provider.The index of priority includes but not limited to the response time of server process.
Step S12, service server are registered to SB, and log-on message comprises the available service priority information of service server, and SB is registered to SPDF with service server and corresponding service precedence information.
In step S12, first information table can be set, service server and corresponding service precedence information that storage SB reports in SPDF.In SPDF, second information table can also be set, preserve the corresponding relation of service server service quality index of correlation and priority.Some index of service server is the static index of setting at SPDF in advance, the speed of download that can provide such as Download Server etc.; Service server also some index is dynamic change, such as the service server response time etc., for the index of dynamic change, periodically is reported to SPDF to upgrade by service server.SPDF can assess the service server service quality in the SB compass of competency, the dynamic indicator that reports according to each service server, the index of correlation of storing in the static index that is provided with and second information table and the corresponding relation of priority, dynamically determine the current actual service priority of supporting of each service server, and with first information table in the corresponding record of storing compare, if it is inconsistent, the precedence information of revising the corresponding service server registration of storing in the first information table is that its current actual precedence information of supporting is (when the service priority of different business server definition there are differences, can carry out the priority conversion by this dynamic priority assessment, also reach the priority criteria of unified each service server).
Step S13, service request send to SB, if when SB finds to carry precedence information in the service request, carry out the service priority translation to SPDF, require SPDF to determine to satisfy the next service server of service priority requirement;
In this step, if SB receives is user's call request, owing to can not carry service priority information in this call request, SB directly sends to call request the corresponding service server process; After corresponding service server is finished dealing with,, can send a service request of carrying this user priority information, determine to satisfy the next service server of service priority condition by SB to the SPDF request to SB for the user who has applied for composite service.
In this step S13, can further include:
After SB receives service request, earlier judge whether this service request only exists a unique service server to handle, if a unique service server is only arranged can be handled, then do not ask SPDF to carry out service server and select, handle and directly service request is sent to this unique service server.
Can handle current business if judged a plurality of service servers of the same type, judge further then whether the current business request has carried service priority information, if do not carry service priority information, SB is used as no priority service service request and handles, according to the load balancing principle or selection principle is directly transmitted this service request and handled to the corresponding service server at random.Only carried under the situation of service priority information, just determined to satisfy the next service server that priority requires to the SPDF request in the current business request.
Can carry mandatory precedence information or selectivity precedence information in the service request.
Step S14, SPDF are according to the service priority after translating, and inquiry first information table mates the service server that satisfies priority conditions.If matched the next service server that satisfies the service priority condition, then gone to step S16; If do not match the next service server that satisfies the service priority condition, then execution in step S15.
If the precedence information that carries in the service request is mandatory priority, because mandatory priority must satisfy, if SPDF does not match the service server that can satisfy mandatory service priority index request in first information table, to return failure and giving the requesting party, by make a strategic decision next step processing mode of requesting party; If the priority of carrying in the service request is selectivity priority, because selectivity priority index is the index of As soon as possible Promising Policy, if SPDF do not match the server that can satisfy selectivity priority index request in first information table, SPDF will select one near the service server of selection index as the next stage service server.
Step S15, SB return to failed message of service server of request, by make a strategic decision next step the processing of the service server of request; Concrete processing mode is for example: reduce priority level initiate once more to initiate once more behind service request or the certain interval of time professional please or direct multiple processing mode such as interrupting service processing, the present invention does not limit this.
Step S16, SPDF are notified to SB with the service server that matches; SB receives the result that SPDF returns, and the service request of carrying precedence information is sent to the service server that SPDF selects, and carries out Business Processing by this service server according to the priority of carrying.
Step S17, current business server are managed business according to the service priority in the service request; In carrying out the service logic process, call other business service if desired or business is gone to next service server and handle, then continue step S18; Otherwise, finish this business processing flow.
In step S17, the current business server (be called service server a) may adopt method of calling to visit other service servers (service server calls mutually and may determine at service server, also may be the certain arranging service rule of configuration on SB, initiate by SB; Other server return results are given service server a when adopting method of calling, service server a continues to manage business), also may need professional shift (processing of service server a ending request is continued to manage business by other service servers), in this case, need execution in step S18.
Step S18, current business server are determined the service priority of service request, and the service request that carries service priority information is sent to SB, go to step S13, continue above-mentioned flow process.
In step S18, the precedence information that service server a carries in the service request that SB sends, can be that service server a is according to service needed, the service priority that reconfigures, also can be to adopt the service priority information (, then needing to be provided with and the new configuration service precedence information of business demand) of carrying in the service request of receiving before the service server a according to this locality if do not carry service priority information in the service request of receiving before the service server a.
With instantiation said method provided by the invention is described below.
As shown in Figure 3, be signatory VPN, Prepaid business, (originating call screening when OCS) Ye Wu user A makes a call, adopts the signaling process figure of the inventive method, comprises the steps: to have customized the originating call screening simultaneously again
1, user A sends IDP (Initial Detection Poin by mobile switching centre (MSC) to SB; The start detection point) message is initiated service call, uses VPN cornet B to call out another VPN user, because the VPN group user belongs to Gold Subscriber, enjoys the highest business-level (high level) priority service;
2, SB uses the VPN cornet B that receives, and sends IDP message to VPN application server (VPN-App);
3, VPN-App translates into user's true trombone C with the cornet B that receives, and belong to the VPN group user of high priority level according to user A, priority (priority level) parameter X of giving this calling is a high priority, send the CONNECT message that is connected to user C to SB, carry definite high priority level of VPN-App and charge information etc.;
4, SB is according to arranging service, next need to find originating call screening application server (OCS-App) to handle, SB extracts the priority parameters of calling out, send request to SPDF and carry out the service priority translation, SDPF finishes translation, according to the follow-up business logic, select an OCS-App who satisfies the high priority condition, and selection result is returned to SB; SB sends IDP message to OCS-App, and indication user A calls out trombone user C, and carries the high priority parameter information in message, and request OCS-App carries out authentication to user A;
5, OCS-App carries out business logic processing according to the high priority that carries in the service request, returns replay call CONTINUE message to SB, carries authenticating result and gives SB; If OCSApp does not revise priority parameters, then in the message of returning, still carry the high priority parameter;
6, SB is according to arranging service, next need to find prepayment service server (PP-App) to handle, SB extracts the priority level parameter of calling out, send request to SPDF and carry out the service priority translation, SPDF translation service priority, and select a PP-App who satisfies priority conditions according to the service priority after the translation and handle, and selection result is returned to SB; If SPDF is according to the first information table of storage, if find to have a plurality of PP-App can handle subsequent logic, then can according to the load balancing principle or at random selection principle select one of them PP-App;
SB sends IDP message to the selected PP-App of SPDF, sends service request to the selected PP-App of SPDF, has high priority parameter and VPN charge information in the service request;
7, PP-App calls out according to the service priority information processing, carries out authentication and expense budget, monitoring, sends RRBE/ApplyCharging (Request Report BCSM Event, request report BCSM (Basic Call State Model to SB; Basic Call State Model BCSM) incident; Apply Charging, Apply Charging) message;
8, PP-App sends CONTINUE message to SB;
9, called subscriber C sends ERB (BCSM event report) message by MSC to SB;
10, SB arrives PP-App with the ERB forwards;
11, after user A and user C conversation is finished, send ApplyChargingReport (Apply Charging Report) message to SB;
12, SB arrives PP-App with the ApplyChargingReport forwards;
13, PP-App sends ReleaseCall (call release) message to SB;
14, SB sends ReleaseCall message to MSC.
In sum, the present invention utilizes SPDF to do the service priority translation, the service server of selecting to satisfy condition according to translation result is handled simultaneously, service server is when calling mutually, service priority information can be delivered to other service servers on the business chain, guarantee that the QoS on a business chain is unified mutually.Because SPDF has the function of dynamic selection service server, so business chain is dynamic.Specifically by SPDF according to the service priority information in the service request and at that time the state of each service server decide.If exist a plurality of servers to satisfy condition simultaneously, SPDF can according to the load balancing principle or selection principle be selected next service server at random.
Fig. 4 is the system configuration schematic diagram that insures service chain service quality provided by the invention, comprising: service server, service dispatching cell S B and business game decision point SPDF.SB is connected with each service server, and the interactive service solicited message realizes service dispatching; SB also is connected with SPDF, after receiving the service request of carrying service priority information that service server sends, to the translation of SPDF request carrying out service priority; After SPDF carries out the service priority translation,, select to satisfy the next service server of this priority conditions and notify SB according to service priority after the translation and the arranging service on the business chain; By SB the service request that receives is sent to the service server processing that SPDF selects.
As shown in Figure 4, a plurality of service servers in local service network of a SB administration, these service servers can be divided into polytype, and each class service server is made up of one or more service servers.The service server that belongs to the SB administration need be registered to SB, includes Registering modules among the SB, receives the register requirement of the service priority information of carrying its support of service server transmission; And the service priority information of service server and its support is registered among the SPDF.In SPDF, include first information table, the service priority information of storage service server and its support.In SPDF, also include second information table, the corresponding relation of storage service server service quality index of correlation and precedence information; SPDF determines the current actual precedence information of supporting of each service server according to the service quality index of correlation and described second information table of self dynamic change of each service server periodic report; And with first information table in the corresponding record of storing compare, if inconsistent, the precedence information of revising the corresponding service server registration of storing in the first information table is its current actual precedence information of supporting.
Also may there be a plurality of SB in the said system, manage the service server of some respectively.When SB sends to service server outside its compass of competency with service request if desired, SB can be through consultation or the mode of configuration understand whether supporting business processed mechanism of the other side, if the other side's supporting business priority then can adopt said method provided by the invention to carry out Business Processing; Otherwise adopt the Business Processing mode of prior art.
SPDF in the said system can be logic entity, is arranged in the described SB; Also can be physical entity independently, be connected with SB by external interface.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1, a kind of method that insures service chain service quality is characterized in that, comprising:
After A, service dispatching cell S B receive the service request of carrying service priority information of service server transmission, to the translation of business game decision point SPDF request carrying out service priority;
B, SPDF are according to service priority after translating and the arranging service on the business chain, and selection is satisfied the next service server of the service priority condition after this translation and notified SB;
The described service request that C, SB will receive sends to the service server that SPDF selects, and carries out Business Processing by this service server according to the service priority that carries in the service request.
2, the method for claim 1, it is characterized in that, among the described step C, the current business server is in carrying out the service logic process, if need call other service server or when business transferred to other service server and handle, send the service request of carrying service priority information to described SB, go to steps A.
3, method as claimed in claim 2, it is characterized in that, the service priority information that the current business server carries in the service request that SB sends is the service priority information of new configuration, or adopts the service priority information of carrying in the service request that self receives.
4, as claim 1,2 or 3 described methods, it is characterized in that, first information table is set in described SPDF;
The service priority that service server is supported self is registered to SB, by SB the service priority information of service server and its support is registered to described SPDF, deposits in the described first information table;
Among the described step B, SPDF selects to satisfy the next service server of priority conditions in described first information table, and the corresponding sign of selecting of service server is returned to SB.
5, method as claimed in claim 4 is characterized in that, second information table is set in described SPDF, the corresponding relation of storage service server service quality index of correlation and precedence information;
Described service server periodically reports described SDPF with the service quality index of correlation of self dynamic change;
Described SDPF determines the current actual precedence information of supporting of each service server according to the reported result and described second information table of each service server; And with described first information table in the corresponding record of storing compare, if inconsistent, the precedence information of revising the corresponding service server registration of storing in the described first information table is its current actual precedence information of supporting.
6, as claim 1,2 or 3 described methods, it is characterized in that, do not carry precedence information if send to the service request of SB, SB according to the arranging service on the business chain adopt the load balancing principle or at random selection principle determine next service server.
7, method as claimed in claim 6, it is characterized in that, after SB receives service request, judge at first whether this service request only exists a unique service server to handle, if then directly service request is sent to this unique service server; Otherwise, continue steps A.
8, method as claimed in claim 7, it is characterized in that, if the service priority information of carrying in the service request is mandatory service priority, among the described step B, SPDF selects to satisfy the next service server of this mandatory service priority condition and notify SB;
If it is a plurality of that the service server that satisfies condition has, then according to the load balancing principle or at random selection principle determine next service server; If the service server that does not satisfy condition then returns failed message to SB;
Among the described step C, after SB receives failed message, return failed message to the service server of initiating service request.
9, method as claimed in claim 7 is characterized in that, if the service priority information of carrying in the service request is the selectivity service priority; Among the described step B, SPDF selects to satisfy the next service server of this selectivity service priority condition and notify SB;
If it is a plurality of that the service server that satisfies condition has, then according to the load balancing principle or at random selection principle determine next service server; If the service server that do not satisfy condition, then select one near the service server of selectivity service priority index.
10, a kind of system that insures service chain service quality is characterized in that, comprising: service server, service dispatching cell S B and business game decision point SPDF;
Described SB is connected with described service server, and the interactive service solicited message realizes service dispatching;
Described SB is connected with described SPDF, after receiving the service request of carrying service priority information that service server sends, to the translation of SPDF request carrying out service priority;
Described SPDF carries out the service priority translation, and according to service priority after the translation and the arranging service on the business chain, selects to satisfy the next service server of this priority conditions and notify described SB; Described SB sends to the service server processing that SPDF selects with the service request that receives.
11, system as claimed in claim 10 is characterized in that, includes Registering modules among the described SB, receives the register requirement of the service priority information of carrying its support of service server transmission; And the service priority information of service server and its support is registered among the described SPDF.
12, system as claimed in claim 11 is characterized in that, includes first information table among the described SPDF, the service priority information of storage service server and its support.
13, system as claimed in claim 12 is characterized in that, also includes second information table among the described SPDF, the corresponding relation of storage service server service quality index of correlation and precedence information;
Described SPDF determines the current actual precedence information of supporting of each service server according to the service quality index of correlation and described second information table of self dynamic change of each service server periodic report; And with described first information table in the corresponding record of storing compare, if inconsistent, the precedence information of revising the corresponding service server registration of storing in the described first information table is its current actual precedence information of supporting.
14, as the described system of any claim of claim 10-13, it is characterized in that described SPDF is a logic entity, be arranged in the described SB; Perhaps
Described SPDF is physical entity independently.
As the described system of any claim of claim 10-13, it is characterized in that 15, described service server is a plurality of, belong to two or more dissimilar; Described SB is a plurality of, and each SB is the administrative section service server respectively.
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| CNB2006100577993A CN100527883C (en) | 2006-03-01 | 2006-03-01 | Method and system for insuring service chain service quality |
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| CNB2006100577993A CN100527883C (en) | 2006-03-01 | 2006-03-01 | Method and system for insuring service chain service quality |
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| CN100527883C true CN100527883C (en) | 2009-08-12 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2086181A4 (en) * | 2006-11-22 | 2010-03-03 | Huawei Tech Co Ltd | Syatem, method, service control, and trigger device for controlling service invocation |
| CN104937890A (en) * | 2012-11-26 | 2015-09-23 | 皇家Kpn公司 | Routing data in network |
| CN105704167B (en) * | 2014-11-24 | 2019-06-11 | 华为技术有限公司 | A kind of business chain processing method, equipment and system |
| CN106453132A (en) * | 2016-12-14 | 2017-02-22 | 深圳市深信服电子科技有限公司 | Dispatching method in hybrid cloud environment and flow control equipment |
| CN108366086A (en) * | 2017-12-25 | 2018-08-03 | 聚好看科技股份有限公司 | A kind of method and device of control business processing |
| CN109660612A (en) * | 2018-12-11 | 2019-04-19 | 北京潘达互娱科技有限公司 | A kind of request processing method and server |
| CN111754332B (en) * | 2020-06-28 | 2023-08-11 | 中国银行股份有限公司 | Service request processing method and device, storage medium and electronic equipment |
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