Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development

Research and Implementation of Distributed Workflow System Based on Shark System

Author YuChangHai
Tutor WanDingSheng
School Hohai University
Course Applied Computer Technology
Keywords enhydra shark Distributed Workflow Flexible execution Data consistency
CLC TP311.52
Type Master's thesis
Year 2005
Downloads 158
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Relatively poor prevalent in the workflow management system flexibility , robustness and interoperability problems , the paper combines the experience of actual development workflow , a flexible , interoperability, multi- engine distributed workflow systems. The system is based on the single-engine Shark workflow system is modeled to build a distributed workflow management system (DWFMS) architecture , called D-shark (distributed shark) workflow management system . D-shark retain the original workflow engine for local processing , a master engine to manage the distribution of the model , the console services as well as remote access . System underlying communication mechanism using standard message communication , to ensure the reliability of system interoperability between . The increase in D-shark system node distributor , activity model in order to be assigned to the other engine up execution to achieve interoperability . The paper presents the concept of separation of activities and control logic , given the dynamic modification of workflow model strategy , dynamic modeling of the D-shark . Papers exception handling , data consistency problems exist in the system of D-shark -depth study , and given the appropriate solution .

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