本书围绕5个主题领域来组织本书的内容：概述、企业应用、系统、最终用户应用和编程语言。本书让最优秀的设计师和架构师来描述他们选择的软件架构，剥开架构的各层，展示他们如何让软件做到实现功能、可靠、易用、高效率、可维护、可移植和优雅。-Book around the five thematic areas to organize the book' s contents: overview of enterprise applications, systems, end-user applications and programming languages. Book to the best designers and architects to describe their choice of software architecture, architecture of the layers peel, showing them how to make the software do to achieve functional, reliable, easy to use, efficient, maintainable, portable and elegant.