Chapter 3 Technology of Electronic Commerce 3.1 A short history of the Internet and the web The Internet was the result of some visionary thinking by people in the early 1960s who saw great potential value in allowing computers to share information on research and development in scientific and military fields. J CR Licklider of MIT, first proposed a global network of computers in 1962, and moved over to the Defense Advanced Research Projects Agency(DARPA) in late 1962 to head the work to develop it Leonard Kleinrock of MIT and later UCLA developed

一、网络互连(internetworking) 二、cp/P协议族(TCP/IP protocol suite) 三、网络接口层(Host to network) 四、互连网络层(P层,网际层) 五、传输层(TCP层) 六、寻址方案 七、P地址 八、子网掩码

随着互联网的蓬勃发展, Internet已成为世界上覆盖面最广、规模最大、信息 资源最丰富的计算机网络,网络应用日益普及。作为承载互联网应用的通信网,宏 观上可划分为接入网和核心网两大部分。接入网(AN: Access Network),或用户环 路,主要用来完成用户接入核心网的任务

Systems Biology x Network Biology GOAL: develop a quantitative understanding of the biological function of genetic and biochemical networks INPUT

一、网络互连(internetworking) 二、cp/P协议族(TCP/IP protocol suite) 三、网络接口层(Host to network) 四、互连网络层(IP层,网际层) 五、传输层(TCP层) 六、寻址方案 七、P地址 八、子网掩码

1. to know the operation and advances of WDM and optical network Teaching 2. to understand the main idea and organization of the text; Objectives 3.to master some important new words, phrases and their

一、计算机网络的发展和作用 二、远程通信(telecommunications)基础 三、计算机网络(computer network) 四、Internet(互联网) 五、管理信息系统的空间分布结构 六、保护企业网络安全运行 七、网络编程

Launch Gate So the main ob jectives of this training are Brief history and background of Ipm Lotus notes Explain how to use IPM IT Tools(Inoplan) starting a pro ject managing a pro ject in Inoplan viewing pro jects in inoplan Post launch Evaluation procedure IPM support(network; Info Feedback) Project management ( Jane Turner Risk Management(Mike Trevethan, yalin Xu)

Network is divided into several smaller subnetworks Each subnetwork(subnet) has its own subnetwork address Hierarchy in IP addressing IP addresses are designed with two levels of hierarchy

Course Description Text (required) TCP/IP Protocol Suite, 2nd edition, Behrouz A. Forouzan. Mc Graw-Hill 2003. · Supplementary Texts Internetworking with TCP/IP, Volume 3: Client-Server Programming and Application, Linux-POSIX Sockets Version