支持移动客户端的分布式订阅／通知框架  

Distributed subscribe/notification framework with supporting of mobile clients

作　　者：吕海莲[1] 李波[2] 张克伟[3] 

机构地区：[1]平顶山学院计算机科学与技术学院,河南平顶山467002 [2]平顶山学院软件学院,河南平顶山467002 [3]洛阳广播电视大学宜阳分校,河南洛阳471600

出　　处：《计算机工程与设计》2008年第1期89-91,共3页Computer Engineering and Design

基　　金：河南省教育厅基金项目(豫教高[2005]461号-193)

摘　　要：为了实现客户应用移动的透明性,支持在不同的网络连接节点之间的迁移,在扩充订阅/通知分布式框架的基础上,引入订阅消息的重新发送、Fetch消息的传递和Replay消息的传递3个过程,重新构造了应用通知消息的传递路径,实现了缓冲消息按照正确时间顺序重新发送给应用,而且支持应用从多个数据源处订阅消息。该框架具有良好的可适应性。To support the mobility of client application among different nodes and implement the roaming transparency, the framework is extended and three procedures, redelivery of subscribe message, the deliveries of fetch and replay message are introduced. Not only is the new message delivery path for the mobile client application reconstructed, but also the buffered messages for the client application can also be delivered according to time order. Besides, multiple data sources for the mobile client applications are also supported. The framework is of excellent adaptive, subscribe/notification is a common used software framework to connect data producers and consumers in distributed system.

关 键 词：移动客户端 订阅/通知 消息路由 通知路径重构 代理网络 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]