Abstract: This paper researches how to improve the performance in business layer by optimizing cluster structure, analyses the shortcoming of tradition cluster structure in business layer, and puts forward multi cluster architecture based on business components division. At the same time, it puts forward some basic ideas for business component division

Key words: Multi cluster; Software architecture; Business component division

摘要： 主要研究了如何通过改进业务层中的集群结构，来提高业务层的性能。分析了单集群结构在负载均衡、扩展能力和优化手段等多方面的不足，提出了基于业务组件划分的多集群结构。同时还提出了在多集群结构中进行业务组件划分的基本思路和方法，并且分析和比较了4 种不同的多集群体系结构。

关键词: 多集群；软件体系结构；业务组件划分