SOA-南京大学计算机系.ppt

王林章 软件工程组 南京大学计算机科学与技术系 lzwang@ /lzwang;Why SOA？;The business drivers for a new approach;The business drivers for a new approach;The business drivers for a new approach;The business drivers for a new approach;The business drivers for a new approach;Object-oriented analysis and design;Component-based design;Service-oriented design;SOA;SOA;;SOA;SOA;Service-oriented design;Interface-based design;Interface-based design;Layered application architectures;A closer look at service-oriented architecture;A closer look at service-oriented architecture;A closer look at service-oriented architecture;SOA collaborations;SOA collaborations;SOA collaborations;SOA collaborations;Services vs. components;Services vs. components;Service-oriented architecture benefits;Service-Oriented Architecture;Service-Oriented Architecture;Service-Oriented Architecture;Service-Oriented Architecture;Service-Oriented Architecture;Application Architecture Issues;Application Architecture Issues;Application Architecture Issues;SOA Architecture Classification;SOA Architecture Classification;SOA Architecture Classification;SOA Architecture Classification;SOA Architecture Classification;SOA Architecture Classification;SOA Architecture Classification;Recent SOA Application Architectures;Recent SOA Application Architectures;Recent SOA Application Architectures;SOA 特征;提供服务级别的重用 应用程序通信简单 模块化，面向事件，接口组件化编程 使用户无需关注服务实现细节，服务可以运行于任意平台，使服务重用最大化 服务开发和维护简单 服务是抽象的、可组合、可发现、松耦合、可重用、无状态、自主的 ;SOA优点;管理服务元数据 缺少实际测试 安全分层 互通性 服务粒度 不一定能提高系统灵活性、降低成本和开发时间;Summary