【摘要】 在分析网络应用系统失效因素和高可用系统设计结构的基础上,针对高速发展的网络应用,提出了高可用性HA设计模式,它是一种行为型的设计模式.详细说明了该模式的意图、结构、解决方案和实现,并通过UML对高可用性的设计进行行为描述.该模式在宽带网络计费系统中得到应用,大大地提高了网络应用的可用性.更多还原

【Abstract】 On the basis of analysis of network application system fail over factors and high availability system infrastructure, proposed high Availability design pattern for network application. It is a behavioral design pattern, elaborated on the intention, structure, solution and realization of HA pattern, depicted the HA design via UML. The HA pattern is implement in a broadband network billing system, it is proved to be highly improved the high availability of network applications.更多还原