{"title":"A distributed execution environment for large-scale workflow management systems with subnets and server migration","authors":"T. Bauer, P. Dadam","doi":"10.1109/COOPIS.1997.613807","DOIUrl":null,"url":null,"abstract":"If the number of users within a workflow management system (WFMS) increases, a central workflow server (WF-server) and a single local area network (LAN) may become overloaded. The approach presented in the paper describes an execution environment which is able to manage a growing number of users by adding new servers and subnets. The basic idea is to decompose processes into parts which are controlled by different WF-servers. That is, during the execution of a workflow instance its execution (step) control may migrate from one WF-server to another. By selecting the appropriate physical servers (for hosting the WF-servers) in the appropriate LANs, communication costs and individual WF-server workload can be reduced significantly.","PeriodicalId":293694,"journal":{"name":"Proceedings of CoopIS 97: 2nd IFCIS Conference on Cooperative Information Systems","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"66","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of CoopIS 97: 2nd IFCIS Conference on Cooperative Information Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/COOPIS.1997.613807","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 66
Abstract
If the number of users within a workflow management system (WFMS) increases, a central workflow server (WF-server) and a single local area network (LAN) may become overloaded. The approach presented in the paper describes an execution environment which is able to manage a growing number of users by adding new servers and subnets. The basic idea is to decompose processes into parts which are controlled by different WF-servers. That is, during the execution of a workflow instance its execution (step) control may migrate from one WF-server to another. By selecting the appropriate physical servers (for hosting the WF-servers) in the appropriate LANs, communication costs and individual WF-server workload can be reduced significantly.
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