NDLI: A QoS constrained dynamic priority scheduling algorithm for process engine

Content Provider	IEEE Xplore Digital Library
Author	Li Li Qiming Tian Ruixiong Tian Liang Liu Zhiguo Gao Ying Chen
Copyright Year	2010
Description	Author affiliation: IBM Research - China, Building 19 Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing 100193, China (Qiming Tian; Ruixiong Tian; Liang Liu; Zhiguo Gao; Ying Chen) \|\| Green IT Team, IBM Research - China, Building 19 Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing 100193, China (Li Li)
Abstract	In this paper, a task scheduling algorithm in process engine is proposed to not only maximize overall customer satisfaction but also guarantee QoS requirement. This new algorithm dynamically assigns priority to a task based on the weighted utility value considering the predicted business value and left time to execute the process instance the task belongs to. The business value of each kind of process instance is modeled as a utility function of response time which reflects the inverse proportional relationship between the customer satisfaction and response time. Experiments show that the proposed algorithm promotes the total value of utility function with better QoS achievement compared to traditional algorithms.
Starting Page	11
Ending Page	16
File Size	931166
Page Count	6
File Format	PDF
ISBN	9781424471188
e-ISBN	9781424471195
DOI	10.1109/SOLI.2010.5551623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service
Content Type	Text
Resource Type	Article

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