What is Object-Oriented? Object orientation is an approach to software development that organizes both the problem ane nd its solution as a collection of discrete objects

一、OOD的准则 二、启发式规则 三、软件重用 四、系统分解

一、OOA的基本过程 二、需求陈述 三、建立对象模型 四、建立动态模型 五、建立功能模型 六、定义服务

Chapter 4: Server Software Design Chapter goal: algorithm and issues terative servers Concurrent connection-oriented servers Singly-threaded,concurrent servers Multiprotocol servers Multiservice servers Uniform efficient management

Optimizing stateless servers Consider a connectionless server for file Table of information about files clients are using We find hash(IP addr, port) Overhead of opening and closing file each Buffer for file x

Chapter 3: Client Software Design Chapter goal: Algorithm and issues Concurrency in client Client examples

Chapter 2: Socket Programming Chapter goal: a Program interface to rotocol Socket API Socket programming model

Conceptual interface specification Implementation of an API The TCP/IP standards do not leave All implementations of a particular API appear the ithout any guidance. or functions)that ar

Reference Douglas E. Comer, David L. Stevens, Internetworking with TCP/IP, Vol Ill, Client-Server Programing and Application, Windows

Assessment Course work-10% Lab-20% Assignment (Mini Project)-20% Final examinition-50%