一种自适应的容灾系统心跳检测算法  

An Adaptive Heartbeat Inspection Algorithm for Disaster Recovery Systems

作　　者：陈诚[1] 陈海涛[1] 

机构地区：[1]国防科技大学计算机学院,湖南长沙410073

出　　处：《计算机工程与科学》2008年第5期53-55,67,共4页Computer Engineering & Science

基　　金：国家863计划资助项目(2006AA01Z401)

摘　　要：随着信息系统在关键应用中的普及,信息系统的容灾能力日益成为人们关注的焦点,而心跳技术是构建容灾系统所必需的关键技术之一。本文研究了一种基于PULL模型的自适应心跳算法。该算法根据节点及网络状况输出一个量化结果,通过该结果与阈值的比较来判断系统的可用性,可用于容灾系统可用性的检测。With the rapid development of information systems in critical applications, their disaster recovery capability becomes a focus, and heartbeat is one of the crucial techniques in building a disaster recovery system. This article studies an adaptive heartbeat algorithm based on the PULL mode, which uses the nodes and network^s status to output a quantitative value and performs comparisons between the quantitative output and the threshold value to decide a disaster recovery system＇s serviceability, which can be used for detecting the system＇s dependability in the disaster recovery environment.

关 键 词：心跳 信息系统 容灾 自适应 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]