关键词: 网络拥塞 队尾丢弃 随机早期检测 NS2

Abstract:

With the rapid growlb of the lnlernet, the prohlem of network congestion becomes worse and worse. Many network congestion control mechanisms which areused in routers are proposed in recent years. The thesis first analyses the design principle and algorithm implementation of the Drop tail and RED congestion control mechanisms in touters. Then the performance and principles of the two algorithms are compared with the same and different data streams based on network simulator NS2. Finally, the thesis gives a detailed analysis and compares the simulation results about performance paramelers such as thr  oughput, delay, variation and packet loss ratio, and presents the relevant conclusions.

Key words: network congestion, drop-tail, random early detection, NS2