NDLI: A Generic QoS Framework for Cloud Workflow Systems

Content Provider	IEEE Xplore Digital Library
Author	Xiao Liu Yun Yang Dong Yuan Gaofeng Zhang Wenhao Li Dahai Cao
Copyright Year	2011
Abstract	Due to the dynamic nature of cloud computing, how to achieve satisfactory QoS (Quality of Service) in cloud workflow systems becomes a challenge. Meanwhile, since QoS requirements have many dimensions, a unified system design for different QoS management components is required to reduce the system complexity and software development cost. Therefore, this paper proposes a generic QoS framework for cloud workflow systems. Covering the major stages of a workflow lifecycle, the framework consists of four components, viz. QoS requirement specification, QoS-aware service selection, QoS consistency monitoring and QoS violation handling. While there are many QoS dimensions, this paper illustrates a concrete performance framework as a case study and briefly touches others. We also demonstrate the system implementation and evaluate the effectiveness of the performance framework in our cloud workflow system.
Starting Page	713
Ending Page	720
File Size	479392
Page Count	8
File Format	PDF
ISBN	9781467300063
DOI	10.1109/DASC.2011.124
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-12
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Workflow System Cloud computing Cloud Computing Software Framework Quality of service Programming Reliability Monitoring Quality of Service
Content Type	Text
Resource Type	Article

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