CN103401912B - Based on the service ad hoc network method of general fit calculation - Google Patents
Based on the service ad hoc network method of general fit calculation Download PDFInfo
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Abstract
The invention provides a kind of service ad hoc network method based on general fit calculation, comprise the following steps: S1. service arrangement: when new service enters network for the first time, need first dispose it thus become available service; S2. serve issue, described service is issued and is comprised direct broadcast mode and indirect broadcast mode; S3. service discovery: application program is according to the service management module transmission service search request of the demand of self to its correspondence, and the service management module corresponding with application program performs this request and carry out service search in order, and lookup result is returned to application program; S4. serve MANET: the bind command that the service management module corresponding according to application program sends, bind between required service; S5. service call; S6. serve solution to tie up.This method significantly can reduce the number of times of service search, reduces network bandwidth occupancy.
Description
Technical field
The present invention relates to general fit calculation system, especially a kind of service ad hoc network method based on general fit calculation.
Background technology
At present, the application program in Internet of Things needs to search for and calls the service of its needs at the beginning of running, and each application program must be searched all services, increases offered load to a great extent, improves Time and place cost.When especially needing to call multiple service, can only by searching one by one the service in network, and after traversed all services may be appeared at, fail to find the situation of the service of mating completely.The method search efficiency of this traversal is low, causes very large operating pressure to network.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of service ad hoc network method based on general fit calculation is provided, significantly can reduce the number of times of service search, reduce network bandwidth occupancy.The technical solution used in the present invention is:
Based on a service ad hoc network method for general fit calculation, comprise the following steps:
S1. service arrangement: when new service enters network for the first time, needs first dispose it thus become available service;
S2. serve issue, described service is issued and is comprised direct broadcast mode and indirect broadcast mode;
S2-1. direct broadcast mode: serve and own services information is carried out periodic broadcast in a network, and while carry out directly broadcast to service library, service library is registered;
S2-2. indirect broadcast mode: service library carries out periodic broadcast in a network the address information of service library self;
S3. service discovery: application program is according to the service management module transmission service search request of the demand of self to its correspondence, and the service management module corresponding with application program performs this request and carry out service search in order, and lookup result is returned to application program; If fail to find required whole services, this application program will enter to hang up waits for listening state, and periodically sends search request, until find service in need to service management module; If found required whole services, application program has sent bind request to service management module; Namely service management module sends bind command to the service that need call;
S4. serve MANET: the bind command that the service management module corresponding according to application program sends, bind between required service, and preserve binding information in the service management module that application program is corresponding;
S5. service call: the service after application call binding;
S6. serve solution to tie up: after application program has been run, send solution tie up request to the service management module that application program is corresponding, the service of service management module to binding sends solution and ties up order, and service solution is tied up, and discharges corresponding resource.
Further, in step S3, the service management module corresponding with application program is carried out service search in order according to the search request of application program and is specifically comprised:
S3-1. service management module corresponding to application program is first searched with other service management module on outer network, if find the service binding record of application program required service in other service management module, then the direct address of service according to preserving sends bind command to destination service, be employed routine call after destination service binding, also in the service management module that application program is corresponding, record its binding information simultaneously;
If S3-2. can not find the service binding record of application program required service in other service management module, then continue service library is in a network searched, if find the service of needs, then sending bind command according to the address of service that service library retains to destination service by service management module makes it bind and the program that is employed called, and also in the service management module that application program is corresponding, records its binding information simultaneously;
If the service library S3-3. in other service management module and network all can not find service binding record or the service of application program required service, then on network, carry out traversal to all services to search, if find the service of needs, then make it bind for application call, and record its binding information in the service management module that application program is corresponding.
Further, in step S2, the own services information of service comprises:
1) Service provider information;
2) concrete function of this service entities describes;
3) other service support needed for complete cost service;
4) effective period of this service;
5) address information of this service on network.
Advantage of the present invention: each service newly entering network is broadcasted after deployment, makes other entity (service, service library, service management module) on network can obtain the information of new service in time.By the design of service library, significantly reduce the number of times of service search, reduce network bandwidth occupancy.The design of service management module achieves service discovery and service binding is all completed by service management module.Because service management module also belongs to a kind of service, namely after application program enters network, service search, service discovery and service binding procedure complete by the service (comprising service management module) on network, whole network is made to be programmable, applied logic can real-time implementation in a network, improves reusability and the systematic function of service.
Accompanying drawing explanation
Fig. 1 is structure of the present invention composition schematic diagram.
Fig. 2 is service search detailed maps of the present invention.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1:
Service management system based on general fit calculation comprises ISP, service, service library, service management module and application program five kinds of entities.Service library itself is also a service, and its function is the information being stored in registered service on this service library, and the service for queries function to outside.At every turn all must again to the problem of all service search for new application program, the present invention devises service management module, and service management module is also a service, the corresponding service management module of each application program.Application program no longer needs all services in traverses network when needing to call service, only need by sending inquiry request to the service management module as intermediary, service management module, to other service management module in network, service library and service-seeking, can know whether that the service that this application program needs exists; After the service determining needs, after MANET can being carried out according to the demand of application program between service, be employed routine call.For the demand of different application, service freely will carry out MANET.Service management module is also by the information on services that the application program that record is corresponding is called simultaneously, conveniently has the application program of same requirements to call required service fast.
Based on a service ad hoc network method for general fit calculation, comprise the following steps S1 ~ S6:
S1. service arrangement: when new service enters network for the first time, needs first dispose it thus become available service.New service is provided by ISP.Process 1 in Fig. 1 illustrates service arrangement step, and ISP A deploys service A, ISP B and deploys a service library B(service library and also can regard a kind of service as), ISP C deploys service C.
S2. serve issue, described service is issued and is comprised direct broadcast mode and indirect broadcast mode;
S2-1. direct broadcast mode: serve and own services information is carried out periodic broadcast in a network, and while carry out directly broadcast to service library, service library is registered; The own services information of service comprises:
1) Service provider information;
2) concrete function of this service entities describes;
3) other service support needed for complete cost service;
4) effective period of this service;
5) address information of this service on network.
Process 2.1 in Fig. 1 is the direct broadcast between service; Process 2.2 is that service is directly broadcasted service library, and now service can be broadcasted to service library separately, also can register to service library while broadcast, make self also to become a member of service library.
On network, interested entity (at least comprising service library) can preserve the information of this service after receiving this broadcast.
S2-2. indirect broadcast mode: service library carries out periodic broadcast in a network the address information of service library self; As shown in the process 2.3 in Fig. 1.Service library is externally broadcasted, and the address of service library is sent to other entity, when other entity needs search service, indirectly obtains the information of registered service by accessing this service library.Service management module preserves broadcast message after receiving the broadcast from service itself or service library, so that service management module initiatively finds when needs inquiry required service.
Service library issues intermediary as service, after the address information of self is broadcasted, service management module can be allowed indirectly to be inquired about service entities by service library, namely service management module to conduct interviews to service library according to the service library address of broadcast thus obtains the information of the service of registering on this service library, and the information content comprises 5 points in above-mentioned S2-1.
S3. service discovery: as shown in the process 3.1 in Fig. 1, process 3.2, process 3.3, process 3.4, process 3.5, application program is according to the service management module transmission service search request of the demand of self to its correspondence, the service management module corresponding with application program performs this request and carries out service search in order, and lookup result is returned to application program; If fail to find required whole services, this application program will enter to hang up waits for listening state, and periodically sends search request, until find service in need to service management module; If found required whole services, application program has sent bind request to service management module; Namely service management module sends bind command to the service that need call;
When application program enters network, network can create a service management module corresponding with this application program.Although this service management module at the beginning content is empty, it can help application program to find suitable service.This service management module can carry out the service of searching needs according to all services of certain order on other service management module, service library and network.
As shown in Figure 2, corresponding with application program service management module is carried out service search in order according to the search request of application program and is specifically comprised:
S3-1. service management module corresponding to application program X is first searched with other service management module on outer network, if find the service binding record of application program X required service in other service management module, then the direct address of service (comprising the address information etc. of service in binding record) according to preserving sends bind command to destination service (service A and service B), be employed program X after service A and service B bind to call, also in the service management module that application program X is corresponding, record is served A and is served the binding information of B simultaneously;
If S3-2. can not find the service binding record of application program X required service in other service management module, then continue service library is in a network searched, if find the service of needs (this sentences service E, F and G is example), then sending bind command according to the address of service that service library retains to service E, F and G by service management module makes it bind and the program that is employed called, and also in the service management module that application program X is corresponding, E, F and G binding information served in record simultaneously;
If the service library S3-3. in other service management module and network all can not find service binding record or the service of application program X required service, then on network, carry out traversal to all services to search, if find the service (service C, D in Fig. 2) of needs, then make service C, D bind to call for application program X, and the binding information of C, D served in record in the service management module that application program X is corresponding.
S4. MANET is served: the real-time binding procedure that namely service MANET process serves.As shown in the process 4 in Fig. 1, the bind command that the service management module corresponding according to application program sends, binds between required service, and preserve binding information in the service management module that application program is corresponding.
S5. service call: the service after application call binding, as shown in the process 5 in Fig. 1.
S6. serve solution to tie up: as shown in the process 6.1 in Fig. 1, process 6.2, process 6.3, after application program has been run, send solution tie up request to the service management module that application program is corresponding, the service of service management module to binding sends solution and ties up order, service solution is tied up, and discharges corresponding resource.
In the present invention, the design of service management module achieves service discovery and service binding is all completed by service management module.Because service management module also belongs to a kind of service, namely after application program enters network, service search, service discovery and service binding procedure complete by the service (comprising service management module) on network, whole network is made to be programmable, applied logic can real-time implementation in a network, improves reusability and the systematic function of service.
Claims (2)
1., based on a service ad hoc network method for general fit calculation, it is characterized in that, comprise the following steps:
S1. service arrangement: when new service enters network for the first time, needs first dispose it thus become available service;
S2. serve issue, described service is issued and is comprised direct broadcast mode and indirect broadcast mode;
S2-1. direct broadcast mode: serve and own services information is carried out periodic broadcast in a network, and while carry out directly broadcast to service library, service library is registered;
S2-2. indirect broadcast mode: service library carries out periodic broadcast in a network the address information of service library self;
S3. service discovery: application program is according to the service management module transmission service search request of the demand of self to its correspondence, and the service management module corresponding with application program performs this request and carry out service search in order, and lookup result is returned to application program; If fail to find required whole services, this application program will enter to hang up waits for listening state, and periodically sends search request, until find service in need to service management module; If found required whole services, application program has sent bind request to service management module; Namely service management module sends bind command to the service that need call;
S4. serve MANET: the bind command that the service management module corresponding according to application program sends, bind between required service, and preserve binding information in the service management module that application program is corresponding;
S5. service call: the service after application call binding;
S6. serve solution to tie up: after application program has been run, send solution tie up request to the service management module that application program is corresponding, the service of service management module to binding sends solution and ties up order, and service solution is tied up, and discharges corresponding resource;
In step S3, the service management module corresponding with application program is carried out service search in order according to the search request of application program and is specifically comprised:
S3-1. service management module corresponding to application program is first searched with other service management module on outer network, if find the service binding record of application program required service in other service management module, then the direct address of service according to preserving sends bind command to destination service, be employed routine call after destination service binding, also in the service management module that application program is corresponding, record its binding information simultaneously;
If S3-2. can not find the service binding record of application program required service in other service management module, then continue service library is in a network searched, if find the service of needs, then sending bind command according to the address of service that service library retains to destination service by service management module makes it bind and the program that is employed called, and also in the service management module that application program is corresponding, records its binding information simultaneously;
If the service library S3-3. in other service management module and network all can not find service binding record or the service of application program required service, then on network, carry out traversal to all services to search, if find the service of needs, then make it bind for application call, and record its binding information in the service management module that application program is corresponding.
2., as claimed in claim 1 based on the service ad hoc network method of general fit calculation, it is characterized in that,
In step S2, the own services information of service comprises:
1) Service provider information;
2) concrete function of this service entities describes;
3) other service support needed for complete cost service;
4) effective period of this service;
5) address information of this service on network.
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| CN103945002B (en) * | 2014-05-05 | 2017-05-31 | 瞄财网络科技（北京）有限公司 | High-effective Service management method based on general fit calculation |
| CN105681137A (en) * | 2014-11-20 | 2016-06-15 | 北京海尔广科数字技术有限公司 | Method and device for invoking services |
| CN104363239B (en) * | 2014-11-26 | 2017-04-12 | 南京大学 | Dynamic service binding method based on physical entity environment perception |
| CN109495539B (en) * | 2018-09-26 | 2021-08-31 | 深圳爱根斯通科技有限公司 | Method and device for preventing sub-equipment from being deleted by mistake, electronic equipment and storage medium |
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