WO2013091317A1 - Procédé, dispositif et système de combinaison de services d'application - Google Patents

Procédé, dispositif et système de combinaison de services d'application Download PDF

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Publication number
WO2013091317A1
WO2013091317A1 PCT/CN2012/072900 CN2012072900W WO2013091317A1 WO 2013091317 A1 WO2013091317 A1 WO 2013091317A1 CN 2012072900 W CN2012072900 W CN 2012072900W WO 2013091317 A1 WO2013091317 A1 WO 2013091317A1
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Prior art keywords
application service
service
application
requester
program
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PCT/CN2012/072900
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English (en)
Chinese (zh)
Inventor
杨楠
樊革生
Original Assignee
中兴通讯股份有限公司
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Publication of WO2013091317A1 publication Critical patent/WO2013091317A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services

Definitions

  • the present invention relates to the field of computer communications, and more particularly to an application service combining method, apparatus and system. Background technique
  • Each application generally provides only a single application service, and when the user needs a relatively complex application service, a single application cannot meet the user's needs. And there are many applications with the same or similar functions. Users cannot choose the application services they need based on some non-functional attribute values.
  • existing applications often lack flexibility, lack reusability, and are relatively simple in function, making it difficult to meet the needs of mobile terminal users for complex application services. Summary of the invention
  • the technical problem to be solved by the present invention is to provide an application service combination method, device and system, which can meet the needs of mobile terminal users for functionally complex application services.
  • the present invention provides an application service combination method, the method comprising: receiving an application service request message sent by a service requester, where the application service request message includes a first application service requested by the service requester Functional requirements;
  • the method further includes: receiving an application service data packet sent by the service provider, where the application service data package includes an application service program and describing the application service An application service description file of the service quality of the program; storing the application service program in the application service database; parsing the application service description file, and storing the attribute information of the parsed application service program in the combined information database .
  • the storing the application service program in the application service database comprises: dividing the plurality of application service programs into a plurality of non-empty subsets in the application service database according to different functions.
  • the second application service is a combined service consisting of multiple sub-application services
  • the application service request message further includes a quality of service QoS value of the first application service
  • Determining, by the message, the second application service that meets the functional requirement including: dividing the functional requirement into a plurality of sub-functional requirements; and determining, from the application service database, an application service assembly corresponding to the plurality of sub-functional requirements
  • the application service assembly is composed of one or more application service programs capable of satisfying corresponding sub-function requirements; and using the multi-objective optimization algorithm according to the QoS value, selecting an application service program from each application service program set, The selected plurality of application service programs constitute the second application service.
  • the returning the application service response message that includes the second application service attribute information to the service requester includes: sending, by using the application service response message, the combined service flow of the second application service
  • the service requester includes attribute information of a plurality of applications constituting the second application service and an identifier of a corresponding application service provider.
  • the combined service flow is sent to the service requester using a business process execution language BPEL.
  • An embodiment of the present invention further provides an application service combining device, where the device includes: a receiving module, configured to receive an application service request message sent by a service requester, where the application service request message includes a function requirement of the first application service requested by the service requester, and a processing module, configured to serve according to the application The request message determines a second application service that satisfies the functional requirements;
  • a sending module configured to return, to the service requester, an application service response message that includes the second application service attribute information, so that the service requester obtains the second application service according to the application service response message.
  • the receiving module is further configured to receive an application service data packet sent by a service provider, where the application service data packet includes an application service program and an application service description file describing a service quality of the application service program;
  • the application service assembly device further includes: a storage module, configured to store the application service program in an application service database, parse the application service description file, and store attribute information of the parsed application service program in the Combined information database.
  • the storage module is configured to divide the plurality of application service programs into a plurality of non-empty subsets and store them in the application service database according to different functions.
  • the second application service is a combined service consisting of multiple sub-application services, and the application service request message further includes a quality of service QoS value of the first application service;
  • the processing module includes: an analyzer a module, configured to divide the function requirement into a plurality of sub-function requirements; and a search sub-module, configured to determine, from the application service database, an application service assembly corresponding to the plurality of sub-function requirements, the application service The assembly is composed of one or more application service programs that satisfy the requirements of the corresponding sub-functions;
  • the calculation sub-module is configured to select an application service program from each application service program set by using the multi-objective optimization algorithm according to the QoS value, The selected plurality of application service programs constitute the second application service.
  • the sending module is configured to send, by the application service response message, the combined service flow of the second application service to the service requester, where the combined service process includes The attribute information of the plurality of applications constituting the second application service and the identifier of the corresponding application service provider.
  • the embodiment of the present invention further provides an application service combination system, where the system includes: a service requester and an application service combination device;
  • a service requester configured to send an application service request message to the application service composition device, where the application service request message includes a function requirement of the first application service requested by the service requester;
  • An application service combining device configured to determine, according to the application service request message, a second application service that satisfies the function requirement, and return an application service response message that includes the second application service attribute information to the service requester;
  • the service requester is further configured to obtain the second application service according to the application service response message.
  • system further includes: a service provider, configured to send an application service data package to the application service combination device, where the application service data package includes an application service program and an application service description file;
  • the utility model is further configured to store the application service program in an application service database, parse the application service description file, and store the attribute information of the parsed application service program in the combined information database.
  • the application service combining device receives an application service request message sent by the service requester, where the application service request message includes a function requirement of the first application service requested by the service requester, The application service combining device determines, according to the application service request message, a second application service that can satisfy the function requirement, and returns related information of the second application service to the service requester, so that the service requester obtains the second application service.
  • the mobile terminal user can be provided with an application service capable of realizing the functional requirement, so as to meet the demand of the mobile terminal user for the application service with complex functions.
  • FIG. 1 is a schematic flowchart diagram of an application service combination method according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of an application service combining apparatus according to an embodiment of the present invention.
  • FIG. 3 is a structural block diagram of an application service combination system according to an embodiment of the present invention.
  • FIG. 4 is another schematic flowchart of an application service combining method according to an embodiment of the present invention. detailed description
  • the embodiments of the present invention are directed to the problem that the mobile terminal user has difficulty in meeting the demand for a complex application service, and provides an application service combination method, device, and system, which can meet the complex application service of the mobile terminal user. Demand.
  • FIG. 1 is a schematic flowchart of an application service combination method according to an embodiment of the present invention. As shown in FIG. 1, the method in this embodiment includes:
  • Step 101 The application service combining device receives an application service request message sent by the service requester, where the application service request message includes a function requirement of the first application service requested by the service requester.
  • Step 102 The application service combining device determines, according to the application service request message, a second application service that meets the function requirement;
  • Step 103 The application service combining device returns an application service response message including the second application service attribute information to the service requester, so that the service requester obtains the second application service according to the application service response message.
  • the application service combining method of the embodiment of the present invention receives an application service request message sent by a service requester, where the application service request message includes a function requirement of the first application service requested by the service requester, and the application service combining device Determining, according to the application service request message, a second application service that can meet the functional requirement, and correlating the second application service The information is returned to the service requester, so that the service requester obtains the second application service.
  • the technical solution of the present invention can provide an application service capable of realizing the function requirement of the mobile terminal user according to the functional requirement of the mobile terminal user, so as to meet the requirement of the mobile terminal user for the application service with complex functions.
  • FIG. 2 is a structural block diagram of an application service combining apparatus according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes:
  • the receiving module 20 is configured to receive an application service request message sent by the service requester, where the application service request message includes a function requirement of the first application service requested by the service requester;
  • the processing module 21 is configured to determine, according to the application service request message, a second application service that can meet the functional requirement;
  • the sending module 22 is configured to return, to the service requester, an application service response message that includes the second application service attribute information, so that the service requester obtains the second application service according to the application service response message.
  • the receiving module 20 is further configured to receive an application service data packet sent by the service provider, where the application service data packet includes an application service program and an application service description file describing a quality of service of the application service program;
  • the application service assembly device further includes:
  • the storage module 23 is configured to store the application service program in the application service database, parse the application service description file, and store the attribute information of the parsed application service program in the combined information database.
  • the storage module 23 can divide multiple application service programs into multiple non-empty subsets and store them in the application service database according to different functions.
  • the second application service is a combined service consisting of multiple sub-application services, and the application service request message further includes a QoS (Quality of Service) value of the first application service
  • the processing module 21 includes: an analysis sub-module, Used to divide functional requirements into multiple sub-function requirements;
  • the search submodule is configured to determine, from the application service database, an application service assembly corresponding to the plurality of sub-function requirements, where the application service assembly is composed of one or more application service programs capable of satisfying the corresponding sub-function requirements;
  • the calculation submodule is configured to select an application service program from each application service program set by using the multi-objective optimization algorithm according to the QoS value, and form a second application service by selecting each application service program.
  • the sending module 22 is configured to send the combined service process of the second application service to the service requester by using an application service response message, where the combined service process includes attribute information of the multiple applications that constitute the second application service and the corresponding application service. The identity of the provider.
  • the application service combining device of the embodiment of the present invention receives an application service request message sent by a service requester, where the application service request message includes a function requirement of the first application service requested by the service requester, and the application service combining device according to the application service request The message determines a second application service that satisfies the functional requirement, and returns related information of the second application service to the service requester, so that the service requester obtains the second application service.
  • the technical solution of the present invention can provide an application service capable of realizing the function requirement of the mobile terminal user according to the functional requirement of the mobile terminal user, so as to meet the requirement of the mobile terminal user for the application service with complex functions.
  • FIG. 3 is a structural block diagram of an application service composition system according to an embodiment of the present invention. As shown in FIG. 3, the system includes: a service requester 31 and an application service combination device 32;
  • the service requester 31 is configured to send an application service request message to the application service composition device 32, where the application service request message includes a function requirement of the first application service requested by the service requester; and the application service combining device 32 is configured to use the service service request Determining, by the message, a second application service that meets the functional requirement, and returning, to the service requester 31, an application service response message including the second application service attribute information;
  • the service requester 31 is further configured to obtain the second application service according to the application service response message.
  • system further includes: a service provider 30, configured to apply to the application service Setting 32 to send an application service data package, the application service data package includes an application service program and an application service description file;
  • the application service assembly device 32 is further configured to store the application service program in the application service database, parse the application service description file, and store the attribute information of the parsed application service program in the combined information database.
  • the application service composition system of the embodiment of the present invention is further described below, wherein the application service program mentioned in the present invention is equivalent to the application service.
  • Cloud computing is a technology based on distributed computing, standardizing discrete resources through computer networks, and sharing resources. Individual individuals of resources act as “water droplets” that form “clouds”. Through the release, management and scheduling of resources, “water droplets” form a shared cloud, and users can access corresponding resources in the cloud anytime and anywhere.
  • Service-oriented architecture (SOA) is a component model that implements service composition, providing design principles, platforms, and thought structures for service composition. Service is a way to implement SOA.
  • the application in the mobile terminal is a specific application service. It is implemented in different languages under different platforms, and is provided by different providers in different ways, portability, and Operability and other characteristics.
  • the technical solution of the present invention combines the mobility of the mobile terminal, based on the idea of the cloud computing and the SOA system, and aggregates multiple single-function applications provided by the mobile terminal into a complete application service with powerful functions.
  • QoS is used to evaluate the satisfaction level of application services.
  • QoS at the application layer is often used to describe the user's perceived performance of the application service, such as price, corresponding time, and so on.
  • For the application service of the mobile terminal there is no dimension to unify the QoS indicators of the application service.
  • the embodiment of the present invention aggregates application services according to user QoS requirements to achieve global optimization.
  • the application service composition system of the present invention is mainly provided by a service provider 30, a service The requester 31 and the application service combining device 32 are composed.
  • the service provider 30 is responsible for sharing the application services that can be provided by itself. It can be a mobile terminal, a personal computer (PC), or even a dedicated server. The service provider 30 can complete the uploading and sharing of the application service through the mobile communication network.
  • PC personal computer
  • the service requester 31 is a mobile terminal that needs to use the application service. Similarly, the service requester 31 can also complete the service request through the mobile communication network and acquire the application service required by itself.
  • the application service assembly device 32 is a data storage and computing center, and the application service assembly device 32 receives the application service data packet sent by the service provider 30.
  • the data transmission may be performed by, but not limited to, the Transmission Control Protocol/Internet Protocol (TCP/IP, Transmission).
  • Control Protocol/Internet Protocol User Datagram Protocol (UDP), File Transfer Protocol (FTP), application service data package includes an application service program and an application service description file, where the application service combination device 32 storing the application service program in an application service database in the form of XML (Extensible Markup Language) information; the application service assembly device 32 parses the application service description file, and parses the obtained application service program
  • the attribute information is stored in the combined information database in the form of XML information.
  • the XML information is stored in the following two ways: (1) Decomposing the XML, parsing out the important information and storing it in the record of the table according to the hierarchical structure, using the structure of the table with To represent the relationship between the structure of XML documents; (2) the use of Native-XML database for storage.
  • the application service assembly device 32 performs data collection, calculation, completion of the combined service, optimization of the service process, and finally return to the service requester, and is mainly divided into the following steps:
  • the application service assembly device 32 needs to perform application service composition according to the QoS request proposed by the mobile terminal user, so it is necessary to have a description of the QoS attribute of the application service, and the QoS information is stored in an XML file, such as an application.
  • the non-functional attribute description information required by the service includes several elements as shown in Table 1: Response Price Security Level Stability Avalilablity (; expandable
  • the application service assembly device 32 needs to parse the XML file to obtain QoS information.
  • the parsing XML usually has two methods: a Document Object Model (DOM) and a Simple API for XML (SAX), and the DOM adopts a tree structure.
  • DOM Document Object Model
  • SAX Simple API for XML
  • the structured way to access XML documents, and SAX accesses XML documents in an event model.
  • the application service assembly device 32 divides the application service programs having the same or similar functions stored in the application service database into a plurality of non-empty subsets according to different functions, and aggregates into one class, and a single application service program in the same application service class. It is equivalent in terms of functional attributes, and the difference lies in its QoS attributes.
  • the application service assembly device 32 decomposes the function of the application service requested by the service requester 31, decomposes the function into a plurality of small sub-functions, and organizes the sub-functions with certain logic. .
  • the function of the application service requested by the service requester 31 does not need to be decomposed, it is not decomposed.
  • the application service assembly device 32 determines, from the application service database, an application service assembly that is in one-to-one correspondence with the plurality of sub-functions.
  • the application service assembly is composed of one or more application service programs having the same or similar functional attributes, and the application service assembly device 32 is
  • the QoS value uses multi-objective optimization algorithms (such as genetic algorithm, ant colony algorithm, social cognitive algorithm, etc.). After parameter optimization and selection, non-inferior solutions or optimal solutions can be obtained, and each application service program set is selected. An application service program is aggregated by using the selected application service programs to form a combined service, and the combined service can implement the function of the application service requested by the service requester 31.
  • the application service assembly device 32 returns to the service requester 31 a combined service flow (XML describing the information of the combined service), otherwise the service requester 31 is prompted to combine Failed.
  • the composite service process uses an extended XML language such as Business Process Execution Language (BPEL), including the application service program provided by the service provider in each of the following steps: Give the service provider's identity and the functional and non-functional properties of the provided application service.
  • BPEL Business Process Execution Language
  • the service requester 31 After receiving the combined service flow, the service requester 31 determines whether the combined service represented by the combined service flow can meet its own requirements, and if so, obtains the corresponding application service program from the database of the application service assembly device through the mobile communication network.
  • Step 1 The service provider requests to upload an application service
  • the service provider requests the application service assembly to upload the application service.
  • the application service description file needs to be provided in the following format, and the application service description file is uploaded by using TCP/IP, UDP, FTP or other protocols.
  • Application service assembly device For example, if the mobile terminal or the personal computer requires uploading a login application service and the name is login, the application service description file needs to be provided in the following format, and the application service description file is uploaded by using TCP/IP, UDP, FTP or other protocols.
  • Application service assembly device For example, if the mobile terminal or the personal computer requires uploading a login application service and the name is login, the application service description file needs to be provided in the following format, and the application service description file is uploaded by using TCP/IP, UDP, FTP or other protocols.
  • the service provider uploads its own application service program to the application service assembly device through the same protocol.
  • the mobile terminal or the personal computer side serves as the provider of the application service, and the mobile terminal user provides the existing available application service of the machine for open source sharing.
  • the service provider uploads the application service data package to the application service assembly device, and the data package mainly includes two types of files: a package file of the application service program and an application service description file describing the application service, where the application service description file is as described above
  • the XML format is a type of files: a package file of the application service program and an application service description file describing the application service, where the application service description file is as described above.
  • Step 2 The application service assembly device responds to the request and receives the uploaded data packet.
  • the application service assembly device audits the service provider in response to the service provider's upload packet request, and if the audit passes, it agrees to upload the data packet request and transmits it through the network or the mobile communication network.
  • the application service assembly device successfully receives the data packet, the data packet is decomposed into two parts, and the available application service program is stored in the application service database of the application service assembly device, and after the application service description file is parsed, the application service program is extracted.
  • the attribute information is stored in the combined information database.
  • Step 3 The service requester requests an application service
  • the mobile terminal user submits an application service request with powerful functions and complex processes to the application service assembly device, for example, requesting to complete an application service for online bookbinding using the mobile terminal, and the requested document format is as follows:
  • the function attribute of the requested application service is the online book (buy book on net), and the non-functional attribute QoS is the cost, security level, response time, etc. required to complete the application service, according to the specific application service requested by the user. It is required that different QoS can be assigned different weights to indicate the user's preference for an attribute.
  • the mobile terminal user sends a request packet requesting the application service to the application service composition device through the mobile communication network, and if the application service composition device agrees to the request, returns a consent signal to the mobile terminal user.
  • Step 4 Calculate the combined service by using the service combination device
  • the application service assembly device first determines the same or similar business process according to the function description information in the request data packet, such as an online book application service, and determines the business process of the application service as: selecting an online bookstore service-> browsing the online bookstore service -> User Login Service -> Online Banking Payment Service -> Logistics Service; Then find in the application service database to achieve the above functions (select online bookstore service, browse online bookstore service, user login service, online banking payment service and logistics service)
  • the application service program divides the application service programs with the same function or similar into one class, and then uses the multi-objective optimization algorithm (such as the ant colony algorithm, according to the QoS value of the mobile terminal user parsed in the request data packet for the application service request).
  • Step 5 The application service composition device returns the combination process to the service requester.
  • the application service assembly After the application service assembly completes the service combination, it returns the success information to the mobile terminal user, and returns a complete combined service flow to the service requester.
  • the composite service process contains which application service provider, the service provider's identity, and the application server's attribute information are selected by each process node.
  • the service requester After receiving the combined service flow, the service requester determines whether the combined service represented by the combined service flow can meet its own requirements, and if so, obtains the corresponding application service program from the database of the application service assembly device through the mobile communication network.
  • the invention is based on cloud computing and service-oriented architecture, and combines various single-function application services according to QoS to meet the requirements of mobile terminal users for functionally complex application services. The cost of repetitive development is reduced, the user's use of the application service with greater demand is facilitated, and the user's QoS satisfaction with the application service is guaranteed.
  • the modules may be implemented in software for execution by various types of processors.
  • an identified executable code module can comprise one or more physical or logical blocks of computer instructions, which can be constructed, for example, as an object, procedure, or function. Nonetheless, the executable code of the identified modules need not be physically located together, but may include different instructions stored in different bits. When these instructions are logically combined, they form a module and implement the specifications of the module. purpose.
  • the executable code module can be a single instruction or a plurality of instructions, and can even be distributed over a plurality of different code segments, distributed among different programs, and distributed across multiple memory devices.
  • operational data can be identified within the module and can be implemented in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations (including on different storage devices), and may at least partially exist as an electronic signal on a system or network.
  • the module can be implemented by software, considering the level of the existing hardware process, the module can be implemented in software. Without considering the cost, a person skilled in the art can construct a corresponding hardware circuit to implement the corresponding function.
  • the hardware circuitry includes conventional Very Large Scale Integration (VLSI) circuits or gate arrays as well as existing semiconductors such as logic chips, transistors, or other discrete components.
  • VLSI Very Large Scale Integration
  • Modules can also be implemented with programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices, and the like.
  • the sequence numbers of the steps are not used to limit the sequence of the steps. For those skilled in the art, the steps of the steps are changed without any creative work. It is also within the scope of the invention.

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Abstract

La présente invention concerne un procédé, un dispositif et un système de combinaison de services d'application qui appartiennent au domaine de la télématique. Selon l'invention, le procédé de combinaison de services d'application comprend : un dispositif de combinaison de services d'application recevant un message de requête de service d'application envoyé par un demandeur de service, le message de requête de service d'application contenant des exigences fonctionnelles d'un premier service d'application demandé par le demandeur de service; le dispositif de combinaison de services d'application déterminant, conformément au message de requête de service d'application, un second service d'application satisfaisant aux exigences fonctionnelles; et le dispositif de combinaison de services d'application renvoyant, au demandeur de service, un message de réponse de service d'application contenant des informations d'attribut du second service d'application, de sorte que le demandeur de service obtient le second service d'application conformément au message de réponse de service d'application. La présente invention permet de satisfaire aux exigences d'un utilisateur de terminal mobile en matière de services d'application à fonctions compliquées.
PCT/CN2012/072900 2011-12-20 2012-03-23 Procédé, dispositif et système de combinaison de services d'application WO2013091317A1 (fr)

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CN101895581A (zh) * 2010-07-16 2010-11-24 浙江大学 一种基于QoS技术感知的动态web服务选择方法
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