 Create Initial Design Classes  Define Operations  Define Methods  Define States  Define Attributes  Define Dependencies  Define Associations  Define Generalizations

上海交通大学：《面向对象分析与设计 Object Oriented Analysis and Design》课程教学资源（PPT课件讲稿）17 Model Driven Development

 Map persistent design classes to the data model  Distribute class behavior to the database

 Describe interaction among design objects  Simplify sequence diagrams using subsystems  Describe persistence-related behavior  Refine the flow of events description  Unify classes and subsystems

 Identify classes and subsystems  Update the organization of the Design Model  Describe Distribution  Runtime Architecture

 Key Concepts  Define the High-Level Organization of Subsystems  Identify Analysis mechanisms  Identify Key Abstractions  Create Use-Case Realizations

 Key Concepts  Analysis and Design Workflow

 Introduction  Key Concepts  Use-Case Model  Glossary  Supplementary Specifications

Huffman codes用于数据压缩一般可以达到 Huffman code 缩20%到90%的效果

 Statechart diagrams  Deployment diagrams  Component diagrams