COMPUTER NETWORKS 谭晓阳 cs dept
COMPUTER NETWORKS 谭晓阳 CS dept
Part Introduction The kingdom of God is like a net Matthew 13: 47
Part I Introduction “The kingdom of God is like a net…” --Matthew 13:47
课程内容: 系统介绍计算机网络的基本概念和原理:从底层 的硬件连接、数据传输到高层的网络应用等各个 方面的内容 5 2021/1/30
5 2021/1/30 课程内容: ⚫ 系统介绍计算机网络的基本概念和原理：从底层 的硬件连接、数据传输到高层的网络应用等各个 方面的内容
将学习 网络术语 ●通信基础 通信媒介及信号 同步和非同步通信 带宽( bandwidth)、吞吐量( throughput)、噪 声( noise)及其关系 频分和时分多路复用 6 2021/1/30
6 2021/1/30 将学习… ⚫ 网络术语 ⚫ 通信基础 – 通信媒介及信号 – 同步和非同步通信 – 带宽（ bandwidth ）、吞吐量（ throughput ）、噪 声（ noise）及其关系 – 频分和时分多路复用
将学习( continued) 联网技术 Packet switching Framing parity, and error detection Local and wide area technologies Network addressing Connection and extension(repeaters, bridges, hubs switches Topologies and wiring(star, ring bus) Next-hop forwarding Shortest path computation Measures of delay and throughput Protocol layers 7 2021/1/30
7 2021/1/30 将学习…(continued) ⚫ 联网技术 – Packet switching – Framing, parity, and error detection – Local and wide area technologies – Network addressing – Connection and extension (repeaters, bridges, hubs, switches) – Topologies and wiring (star, ring, bus) – Next-hop forwarding – Shortest path computation – Measures of delay and throughput – Protocol layers