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A cloud service workflow scheduling method

A scheduling method and workflow technology, applied in the field of cloud computing, can solve the problem of providing users without considering the service availability interval, and achieve the effect of minimizing service rental fees

Inactive Publication Date: 2019-06-28
南京云设智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods do not take into account constraints such as the service is provided to the user in the form of an available range, and the user's trust requirements for the service.

Method used

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  • A cloud service workflow scheduling method
  • A cloud service workflow scheduling method
  • A cloud service workflow scheduling method

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Embodiment Construction

[0036] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0037] The cloud service system architecture applicable to the present invention is as follows: figure 1 As shown, it includes a cloud service provider, a cloud service trust management system, a cloud service agent, a user, a workflow scheduler and a candidate service pool, and the present invention relates to the workflow scheduler and the candidate service pool. In this embodiment, it is assumed that the cloud service provider registers its own services with the cloud service agent, and the cloud service agent submits the registered service to the cloud service trust management system for analysis, and returns the result to the cloud service agent, and the user Submit your own workflow application and service quality constraints to the cloud service broker. The cloud service agent submits the workflow application to the workflow scheduler, and the w...

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Abstract

The invention discloses a cloud service workflow scheduling method, and belongs to the technical field of cloud computing. The method comprises the following steps: step A, for each task in a workflow, according to a principle of a minimum cost mean value of the task, allocating feasible services to the task to obtain an initial scheduling scheme of the workflow; wherein the cost mean value of anytask is determined according to the following method: the task selects a feasible service, the direct subsequent task respectively selects the feasible service with the minimum cost, and the mean value of the cost of the task and the cost of the service selected by the direct subsequent task is the cost mean value of the task; and step B, adjusting the initial scheduling scheme by taking a presettrust degree requirement and a workflow deadline requirement as constraint conditions and taking the minimum service leasing cost as a target to obtain a final workflow scheduling scheme. According to the invention, while the constraints of the service trust degree, the available service interval and the workflow deadline are met, the minimum service leasing cost is realized.

Description

technical field [0001] The invention relates to a cloud service workflow scheduling method, which belongs to the technical field of cloud computing. Background technique [0002] Cloud computing is a new market-oriented business model aimed at providing high-quality and low-cost information services. Cloud computing enables convenient, on-demand access to a shared pool of configurable computing resources over the network. However, cloud computing is currently facing severe security problems. Trust is an important security alternative in a distributed Internet environment ([BlazeM., Feigenbaum J., Lacy J. Decentralized trust management[C]. Proceedings of the 17th Symposium on Security and Privacy. Oakland, CA: IEEE Computer Society Press, May 6-8.1996:164-173.], [James Urquhart.The Biggest Cloud-Computing Issue of 2009 is Trust[EB / OL].(2009-06-01)http: / / www.cnet.com / news / the -biggest-cloud-computing-issue-of-2009-is-trust]). There are many studies on the trust mechanism i...

Claims

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Application Information

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IPC IPC(8): G06F9/48G06Q30/06
Inventor 颜肃章斌吴春标朱志安
Owner 南京云设智能科技有限公司
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