随着网络规模的不断扩展,网络上的用户和应用都在快速地增长,拥塞已经成为网络研究的一个十分重要的问题。为了适应实时数据流在网络中的高效传输,研究者提出了多种拥塞控制和队列管理算法,并不断改进。通过比较几种算法的优缺点来说明拥塞控制算法的发展与改进,并分析了和提出了进一步的研究方向。 With the continuous expansion of network scale, users and applications on the network are rapidly growing. Congestion has become a very important issue in network research. In order to adapt to the real-time data stream in the network of efficient transmission, the researchers proposed a variety of congestion control and queue management algorithms, and continuous improvement. By comparing the advantages and disadvantages of several algorithms to illustrate the development and improvement of congestion control algorithms, and analyzed and proposed further research directions.