Improving backward recovery in workflow systems

被引：0
|
作者：
Liu, CF [1 ]
Orlowska, M [1 ]
Lin, XM [1 ]
Zhou, XF [1 ]
机构：
[1] Univ S Australia, Sch Comp & Informat Sci, Adelaide, SA 5095, Australia
来源：
SEVENTH INTERNATIONAL CONFERENCE ON DATABASE SYSTEMS FOR ADVANCED APPLICATIONS, PROCEEDINGS | 2001年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The notion of compensation is widely used as means of backward recovering long-lived transactions as well as business processes supported by workflow management systems. In general, it is non-trivial to design compensating tasks for tasks in the context of a workflow. Actually, a task does not have to be compensatable. In this paper, we first took into the requirements that a compensating task has to satisfy. Then we introduce a new mechanism called confirmation. With the help of confirmation, we can modify some non-compensatable tasks so that they become compensatable. This greatly improves backward recovery for workflow applications in case of failures. To effectively incorporate confirmation and compensation into the workflow management environment, a three level bottom-up workflow design, method is introduced. The implementation issues of this design are also discussed.
引用
收藏
页码：276 / 283
页数：2
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