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Dynamic QoS selection method and system for user demands

A user-oriented, service selection technology, applied in transmission systems, data processing applications, instruments, etc., can solve problems such as rough service ordering and low decision-making efficiency

Active Publication Date: 2020-09-18
中国科学院电子学研究所苏州研究院
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AI Technical Summary

Problems solved by technology

The problems of this method are as follows: first, it only considers the situation that the QoS attribute of the service is an exact real number; second, the analysis of user preference is limited to the setting of subjective weight; third, it does not filter candidate services, but Sorting all candidate services, the decision-making efficiency is relatively low
However, this method is relatively rough in the research on service ranking after service set reduction.

Method used

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  • Dynamic QoS selection method and system for user demands
  • Dynamic QoS selection method and system for user demands
  • Dynamic QoS selection method and system for user demands

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Embodiment Construction

[0070] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0071] A dynamic QoS service selection method oriented to user needs, comprising the steps of:

[0072] Step 1. From the perspective of user needs, divide the evaluation indicators into rigid demand indicators and non-rigid demand indicators, and initially screen services by setting tolerance thresholds for hard indicators;

[0073] For different users, since their individual needs may be different, the degree of emphasis on different indicators is also different. In general, user preference is based on the user's understanding of the decision-making problem, and has subj...

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Abstract

The invention provides a dynamic QoS selection method and system for user demands, and the method comprises the steps: dividing evaluation indexes into hard demand indexes and non-hard demand indexes,carrying out the preliminary screening of services according to the hard demand indexes, and determining a candidate service set; converting the QoS attributes of the candidate services and the QoS demands of the user into a QoS attribute interval of the candidate services and a QoS demand interval of the user, and performing relative dominance calculation; performing candidate service reductionbased on a Skyline method, and determining a Skyline service set; and performing service sorting on the Skyline service set based on a TOPSIS method, and determining an optimal service. According to the invention, the reliability and efficiency of service selection are improved.

Description

technical field [0001] The invention relates to network data communication technology, in particular to a user-oriented dynamic QoS service selection method and system thereof. Background technique [0002] In recent years, with the rapid development and wide application of Internet and cloud computing technology, more and more software services with similar functions but different performances are deployed on the cloud platform, which makes the number of services grow exponentially and makes it difficult for users to choose services steep rise. Since different users have different service requirements, how to efficiently and accurately select services that meet user needs from numerous services has become a crucial step in the service selection process. [0003] Quality of Services (QoS) has nothing to do with the functions realized by services, and is a comprehensive index to measure service performance. The service selection method based on QoS attributes is a relativel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06Q10/06
CPCG06Q10/06315H04L67/51H04L67/61
Inventor 台宪青刘晶花马治杰
Owner 中国科学院电子学研究所苏州研究院
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