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Issue:
The Design and Implement of High Available Services in HHA System
Author(s):
LI Yi
,
LIU Shaonan
,
JIANG Xinxiao
Pages:
56
-
59
Year:
2002
Issue:
2
Journal:
JOURNAL OF INSTITUTE OF COMMAND AND TECHNOLOGY OF EQUIPMENT
Keyword:
高可用性系统
;
服务
;
迁移
;
Abstract:
高可用性系统软件HHA是装备指挥技术学院自主研制的软件产品.研究服务的高可用性就是要保证向用户提供不间断的、可靠的服务.简要说明了HHA系统的硬件结构和主要功能,并着重对高可用性服务的运行模式、设计思路和实现的技术要点进行了说明.系统以服务为单位进行实时监测和管理,采用了多线程、多进程的软件结构,实现了透明的服务迁移,设计了完整的服务状态转换过程.当服务出现故障,能在十几秒内进行服务迁移.
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