A rate based congestion control algorithm in networks with coexisting unicast and multicast sessions
A rate based congestion control algorithm in networks with coexisting unicast and multicast sessions作者机构:Sch. of Electron. and Info. Technol. Shanghai Jiaotong Univ. Shanghai 200030 China
出 版 物:《Journal of University of Science and Technology Beijing》 (北京科技大学学报(英文版))
年 卷 期:2003年第10卷第3期
页 面:66-72页
核心收录:
学科分类:12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 08[工学] 081201[工学-计算机系统结构] 0812[工学-计算机科学与技术(可授工学、理学学位)]
主 题:multicast unicast congestion control rate control fairness
摘 要:The optimal rate control problem in networks with unicast and multiratemulticast sessions is investigated. A penalty function approach is used to solve a convex programformulation of this problem, and then a heuristic rate control algorithm is derived. The algorithmis distributed, and suitable both for source-driven unicast sessions and receiver-driven multicastsessions. To obtain practical viability, the computational burden on core routers as well asend-hosts is kept very low, also is the overhead of network congestion feedback. Simulation resultsshow that the algorithm guarantees TCP (Transmission Control Protocol)-based unicast sessionscoexisting with multirate multicast sessions in a fair and friendly manner. It is also shown thatvarious fairness criteria of resource allocation could be achieved by choosing appropriate utilityfunctions, and resource-utilizing efficiencies would be likewise different.