One such reference architecture is IBM's SOA solution Stack reference model (S3 [9], Figure 4), a 9-layer model that provides a detailed architecturaldefinition of an SOA solution across all layers.
此类参考体系结构之一就是IBM的SOA Solution Stack Reference Model (S3[9],图4),这是一个分为9层的模型,可提供跨所有层的SOA解决方案的详细体系结构定义。
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This gets to the most important SOA features like IT/business alignment, service composition, etc. Would you consider the latter as a better definition of SOA architectural style?