Distributed Multiversion Optimistic Concurrency Control for Mobile Real-Time Database Systems

被引：0
|
作者：
Lei Xiangdong [1 ]
Zhao Yuelong [1 ]
Chen Songqiao [1 ]
Yuan Xiaoli [1 ]
机构：
[1] Cent S Univ, Coll Informat Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-15 | 2007年
关键词：
mobile distributed real-time database systems; muliversion optimistic concurrency control; multiversion dynamic adjustment; local pre-validation; multiversion data broadcast;
D O I：
10.1109/WICOM.2007.748
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper DMVOCC-MDA-2PLV protocol is proposed for processing mobile distributed real-time transaction in mobile broadcast environments. The new protocol can eliminate conflicts between mobile read-only and mobile update transactions, and resolve data conflicts flexibly using multiversion dynamic adjustment of serialization order to avoid unnecessary restarts of transactions. Mobile read-only transactions can be committed with no-blocking. Respond time of mobile read-only transactions is greatly improved. The tolerance of mobile transactions of disconnections from the broadcast channel is increased. The simulation results show that the new concurrency control protocol proposed offers better performance than other protocols.
引用
收藏
页码：3011 / 3014
页数：4
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