基于微软平台的应用程序设计指导文档，目标读者是架构师和技术主管。-The purpose of the Application Architecture Guide 2.0 is to improve your effectiveness when

building applications on the Microsoft platform. The primary audience for this guide is solution

architects and development leads. The guide provides design-level guidance for the

architecture and design of applications built on the Microsoft .NET platform. It focuses on the

most common types of applications and on partitioning application functionality into layers,

components, and services, and also walks through their key design characteristics.