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 5: Tunneling and Application Gateway Chapter goal: Multiprotocol environment a Multiprotocol environment Mixing network technologies Mixing network technologies Encapsulation and tunneling Encapsulation and tunneling

1．计算机网络的定义 将两台以上具有独立功能的计算机，通过通信设备和线路连接起来，以实现资源共享为目的所构成的系统

Chapter 6: Web and RPC Based P. Application Development Chapter goal Www and Http Www and hTMl Web Programming RPC and Middleware World wide web Use of Client-Server Paradigm

一、主机、主机地址与IP地址 二、子网划分与子网掩码 三、IPv6的主要特点 四、地址解析技术

Chapter 7: P2P Application development Chapter goal: P2P applicat P2P application model P2P examp P2P example

一、传输层协议 TCP/IP协议栈中独立的一层，在概念上位于应用层和IP层之间

Chapter 7: P2P Application development Chapter goal: P2P application model P2P application design P2P example

Chapter 6: Web and RPC Based Application Development Chapter goal: Www and Http Web programming RPC and Middleware

Chapter 5: Tunneling and Application Gateway Chapter goal: Multiprotocol environment Mixing network technologies Encapsulation and tunneling Clients and servers in constrained environments Application gateways Application gateway examples