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Resource-oriented service composition selection method

A service combination and resource technology, applied in the field of resource-oriented service combination selection, can solve problems such as successful connection rate, reliability, availability decline, lack of mutual awareness between network and service, and achieve the effect of improving utilization

Active Publication Date: 2011-08-03
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The lack of mutual awareness between the network and the service leads to a continuous decline in the successful connection rate, reliability, and availability of the service in a complex execution environment

Method used

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Examples

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Embodiment

[0027] refer to figure 1 , which shows a flowchart of a resource-oriented service combination selection method according to the present invention. Specifically, the newly added content in the service combination system includes:

[0028] Structural division of abstract service workflow;

[0029] Map network information, service node information, and service costs into utility values;

[0030] Resource matching can be performed for network multipathing and service dynamic computing.

[0031] Specific steps are as follows:

[0032] 1) Initialize the service combination selection system, and introduce the abstract service workflow and user QoS goals that have been planned according to user requests;

[0033] 2) Structurally divide the abstract service workflow and decompose it into interconnected unit modules;

[0034] 3) According to the user's QoS target and system index, successively select the entity service node corresponding to the service type in the unit module and th...

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Abstract

The invention provides a resource-oriented service composition selection method. A service composition system can comprehensively take the actual conditions of bottom-layer resources such as network resources, computing resources and the like into account and realize negotiation about serving nodes and a serving process in a process from abstract service composition planning to specific service composition mapping. Resource optimal matching is performed according to dynamic network resources and dynamic computing resources, and a service composition sequence developing the highest efficiency is selected so as to increase the utilization rate of the resources, the success rate of service composition execution and the satisfaction degree of a user.

Description

technical field [0001] The invention relates to the field of computer network technology and service science and technology, in particular to a resource-oriented service combination selection method. Background technique [0002] In the prior art, there have been various implementation schemes of service selection algorithms, such as QoS-based service combination matching algorithm and artificial intelligence-based service selection algorithm, among which, the service selection is based on the abstract service workflow static service The description is used to select the entity service path, that is, to select the abstract workflow with the least number of service hops for service. [0003] However, the existing service selection algorithms lack corresponding perception and optimization of the underlying network conditions and service computing capabilities. In the process of service composition, only the matching of service functions is considered, and the corresponding re...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/851
Inventor 杨冬孙亮张宏科董平宋飞苏伟秦雅娟
Owner BEIJING JIAOTONG UNIV
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