Model of mobile objects

被引：0
|
作者：
Yoshida, T
Takizawa, M
机构：
来源：
DATABASE AND EXPERT SYSTEMS APPLICATIONS | 1996年 / 1134卷
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Distributed systems are composed of multiple objects. Objects support abstract operations and ale distributed in not only fixed stations but also mobile ones. While the object is moving from one location to others, the quality of service (QoS) supported by the object is changed. We model the movement of the object as changes of QoS supported by the object. We discuss how to support users with QoS required while QoS of the object is being changed. We present the migration and replication methods as a general framework to treat the disconnected operations. In addition, we present an optimistic concurrency control to maintain the mutual consistency among the replicas.
引用
收藏
页码：623 / 632
页数：10
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