Efficient Distributed Workflow Management Based on Variable Server Assignments
Thomas Bauer,Peter Dadam +1 more
- 05 Jun 2000
- pp 94-109
TL;DR: This paper shows how a distributed WF control can be realized in a way that the load of the components at run time is minimized, which allows dynamic server assignment without expensive run time analyses.
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Abstract: For enterprise-wide and cross-enterprise workflow (WF) applications, the load of the WF servers and the amount of communication in the subnets may become a bottleneck. This paper shows how a distributed WF control can be realized in a way that the load of the components at run time is minimized. For that purpose, the control of a WF instance may migrate from one WF server to another. The WF servers are assigned to the WF activities in a way that minimizes the communication load. The server assignments are determined at build time by analyzing the WF model with respect to the actor assignments. As these actor assignments may depend on preceding activities, static server assignments are not always reasonable. Hence, so-called variable server assignment expressions are introduced, which allow dynamic server assignment without expensive run time analyses.
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Citations
Modeling Quality of Service for Workflows and Web Service Processes
Jorge Cardoso,John A. Miller,Amit P. Sheth,Jonathan Arnold +3 more
- 01 Jan 2002
TL;DR: This paper presents a predictive QoS model that makes it possible to compute the quality of service for workflows automatically based on atomic task QoS attributes, and presents the implementation of the model for the METEOR workflow system.
Quality of Service for Workflows and Web Service Processes
TL;DR: In this article, the authors present a predictive QoS model that makes it possible to compute the quality of service (QoS) for workflows automatically based on atomic task QoS attributes.
873
Flexible Support of Team Processes by Adaptive Workflow Systems
TL;DR: The paper presents a general and comprehensive correctness criterion for ensuring compliance of in-progress WF instances with a modified WF schema, and which rules and which information are needed at mininum for satisfying this criterion.
ADEPT Workflow Management System
Manfred Reichert,Stefanie Rinderle,Peter Dadam +2 more
- 26 Jun 2003
TL;DR: An overview of the ADEPT workflow management system (WfMS), which is one of the few available research prototypes dealing with enterprise-wide, adaptive work- flow (WF) management, and which tools and interfaces are offered to developers and users.
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Dealing with forward and backward jumps in workflow management systems
TL;DR: Sophisticated modeling concepts for capturing deviations in workflow models already at buildtime are described, and it is shown how forward and backward jumps can be correctly applied in an ad-hoc manner during runtime as well.
84
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Exotica/FMQM: A Persistent Message-Based Architecture for Distributed Workflow Management
Gustavo Alonso,Chandrasekaran Mohan,Roger Günthör,Divyakant Agrawal,A. El Abbadi,Mohan Kamath +5 more
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TL;DR: This paper explores a novel distributed architecture, Exotica/FMQM, for workflow systems in which the need for such a centralized database is eliminated and persistent messages are used as the means to store the information relevant to the execution of a business process.
WIDE-a distributed architecture for workflow management
Stefano Ceri,Paul Grefen,G. Sanchez +2 more
- 07 Apr 1997
TL;DR: This paper presents the distributed architecture of the WIDE workflow management system and shows how distribution and scalability are obtained by the use of a distributed object model, a client/server architecture, and a distributed workflow server architecture.
INCAs: Managing Dynamic Workflows in Distributed Environments
TL;DR: This paper presents the design and a proposed implementation of a new model for workflow management that is based on a concept of an Information Carriers (INCA) that preserves the autonomy of the processing stations and does not require them to change the means they use to process the individual steps of the workflow activity.
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ORBWork: A Reliable Distributed CORBA-based Workflow Enactment System for METEOR2
Souvik Das,Krys J. Kochut,John A. Miller,Amit P. Sheth,Devashish Worah +4 more
- 01 Jan 1996
TL;DR: The design and implementation of ORBWork, reliable and fully distributed a CORBA-based enactment system for the METEOR 2 WFMS is discussed, which supports scalable software architecture, multi-database access, as well as an error detection and recovery framework that uses transactional concepts.
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