移动事务处理模型的设计

移动计算环境的特殊性使得在设计移动数据库系统中需要考虑诸多传统计算环境下不需要考虑的问题，如客户机的移动性、弱连接性，数据一致性等问题.因此如何使服务器能够完善地处理好移动事务，即设计一个支持移动计算环境的移动事务模型成为了移动数据库技术中的一个非常重要的研究课题.针对移动计算环境的特点，以证券业务为研究背景提出了一个移动事务模型及其事务处理协议.此模型通过在移动代理层采用事务队列机制，及在服务器层采用基于锁表的多粒度锁并发控制机制来有效地支持移动计算环境.

Design of a mobile transaction processing model

When design a mobile database system,the particularity in mobile computing environment make it is necessary to consider a great deal of questions such as the mobility of the client?weak connection,and data consistency,which need not consider in traditional computing environment.So,how to make server processing mobile transaction perfectly has become a very important research subject in mobile database technology.This paper presents a new mobile transaction model as well as transaction processing protocol on the basis of the characteristic of mobile computing environment under the research background of stock (exchange).This model support mobile computing environment effectively through adopt transaction queue mechanism in server agent layer,and multi-granularity lock concurrency control mechanism on the basic of lock form in server layer.