一种接收端与中间节点混合驱动的友好拥塞控制机制  

The receiving end and middle nodes of mixed driven friendly congestion control mechanism

作　　者：夏卓群[1] 梁涤清[1] 范开钦[1] 邓广慧[1] 

机构地区：[1]长沙理工大学计算机与通信工程学院,湖南长沙410076

出　　处：《长沙交通学院学报》2007年第1期81-84,96,共5页Journal of Changsha Communications University

摘　　要：针对目前拥塞控制算法中UDP流引起拥塞而不能采取有效调整的问题,在网络QoS环境下对其进行了研究;采用由接收端驱动与中间节点混合驱动的拥塞控制机制,满足多媒体应用中UDP和TCP流之间的友好性要求.将此机制用NS2进行模拟,结果显示:在友好性、吞吐量及丢包率方面,RMDCC算法比TFRC算法有改善.The congestion control problem of UDP flow about network QoS was studied, the problem is that it lacks friendness between the UDP flows and TCP flows during the network application, it results in the receiving end and middle nodes of mixed driven congestion control. The simulation result of the above study by the NS2 network simulator show that the mixed reception-driven mechanism of receiving end and intermediate nodes are friendly improved with the decrease of the losing package rate .

关 键 词：拥塞控制 TCP友好性 服务质量 TFRC 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]