Web QoS evaluating method based on cloud model

A web service and service quality technology, applied in the field of comprehensive evaluation of subjective and objective service quality, can solve the problems of randomness and ambiguity of subjective trust without reasonable consideration

Inactive Publication Date: 2009-02-11
BEIHANG UNIV
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Problems solved by technology

This approach does not properly account for the randomness and ambiguity of subjective trust

Method used

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  • Web QoS evaluating method based on cloud model
  • Web QoS evaluating method based on cloud model
  • Web QoS evaluating method based on cloud model

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Embodiment Construction

[0029] In order to facilitate those skilled in the art to understand and implement the present invention, the embodiments of the present invention are now described with reference to the accompanying drawings.

[0030] As shown in FIG. 1 , it is a schematic structural diagram of a prototype system implementing the method described in the present invention, which consists of at least one user terminal device 1 , at least one trust evaluation center 2 , and at least one reputation database 3 . The user terminal device 1 can be any device that has wired or wireless communication capabilities and can exchange information with the trust evaluation center 2, such as a PC, a mobile phone, and the like. The user terminal 1 interacts with the trust evaluation center 2 through any wired communication line 401 or wireless communication line 402 . Reputation database 301 is used to store historical subjective reputation evaluation information of web services, and SLA database 302 is used ...

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Abstract

A quality of service (Qos) quantitative evaluation method for web service applied in the Internet environment is mainly used for solving the problem of Qos evaluation based on user view in a computation paradigm of SOC (Service-Oriented Computing). The method comprises the following steps: (1) quantitatively processing and evaluating the uncertainty of subjective data according to historical subjective evaluation data for web service; (2) quantitatively processing and evaluating the objective Qos of the web service according to the deviation degree of the objective Qos of the web service and SLA (Service Level Agreement); and (3) carrying out comprehensive Qos evaluation of the web service on the basis of the quantized data of the steps (1) and step (2). The method can solve the problem of uncertainty for subjective quantitative evaluation of Qos and the problem of subjective-objective comprehensive evaluation of Qos, thereby improving the quality of discovery, selection and combination of the web service in the dynamic and open Internet environment.

Description

technical field [0001] The invention relates to an evaluation method of web service quality in an SOC computing paradigm under the Internet environment, in particular to a comprehensive evaluation method of subjective and objective service quality based on a cloud model. Background technique [0002] With the development of web service technology, more and more web services and service providers appear on the Internet. Although existing web service standards, such as SOAP, UDDI, and WSDL, can support service description, discovery, and binding, individual or commercial consumers must face how to correctly select web services and their providers in an open Internet environment challenge. Among the many candidate web services, there may be multiple web services providing similar or identical functions. Therefore, Quality of Service (Qos) becomes an additional benchmark for fine-grained differentiation of web services. [0003] Traditional QoS almost covers complete technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24G06Q20/00
Inventor 王守信张莉王帅
Owner BEIHANG UNIV
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