The Design of Cloud Workflow Systems

By Xiao Liu , Dong Yuan , Gaofeng Zhang , Wenhao Li , Dahai Cao , Qiang He , Jinjun Chen , Yun Yang

The Design of Cloud Workflow Systems Cover Image

  • ISBN13: 978-1-4614-1932-7
  • 111 Pages
  • User Level: Professionals
  • Publication Date: November 2, 2011
  • Available eBook Formats: PDF
  • eBook Price: $39.95
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Full Description
Cloud computing is the latest market-oriented computing paradigm which brings software design and development into a new era characterized by “XaaS”, i.e. everything as a service. Cloud workflows, as typical software applications in the cloud, are composed of a set of partially ordered cloud software services to achieve specific goals. However, due to the low QoS (quality of service) nature of the cloud environment, the design of workflow systems in the cloud becomes a challenging issue for the delivery of high quality cloud workflow applications. To address such an issue, this book presents a systematic investigation to the three critical aspects for the design of a cloud workflow system, viz. system architecture, system functionality and quality of service. Specifically, the system architecture for a cloud workflow system is designed based on the general four-layer cloud architecture, viz. application layer, platform layer, unified resources layer and fabric layer. The system functionality for a cloud workflow system is designed based on the general workflow reference model but with significant extensions to accommodate software services in the cloud. The support of QoS is critical for the quality of cloud workflow applications. This book presents a generic framework to facilitate a unified design and development process for software components that deliver lifecycle support for different QoS requirements. While the general QoS requirements for cloud workflow applications can have many dimensions, this book mainly focuses on three of the most important ones, viz. performance, reliability and security. In this book, the architecture, functionality and QoS management of our SwinDeW-C prototype cloud workflow system are demonstrated in detail as a case study to evaluate our generic design for cloud workflow systems. To conclude, this book offers a general overview of cloud workflow systems and provides comprehensive introductions to the design of the system architecture, system functionality and QoS management.
Table of Contents

Table of Contents

  1. Introduction.
  2. Workflow Systems in the Cloud.
  3. Cloud Workflow System Architecture.
  4. Cloud Workflow System Functionality.
  5. Cloud Workflow System Quality of Service.
  6. Case Study: SWINDEW
  7. C Cloud Workflow System.
  8. Bibliography.
  9. Appendices.
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