A FOOD CHAIN ALGORITHM BASED QOS MULTICAST ROUTING SCHEME
QoS multicast routing algorithm has attracted more attentions in the last few years. It is an important communication mechanism for implementing real-time multimedia applications, which usually require the underlying network to provide a number of QoS (Quality of Service) guarantees to users. Due to the difficulty on the exact measurement of network parameters and complete expression of the user requirement, a flexible QoS multicast routing scheme based on FCA (Food Chain Algorithm) is presented. In this paper,the corresponding model and its mathematical description are introduced. Under the inaccurate network status information and the flexible user QoS requirement, whether Nash equilibrium between the user utility and the network provider utility can be achieved on the candidate edge is determined by gaming analysis. Combing knowledge of fuzzy mathematics and optimum searching ability of FCA, the proposed algorithm tries to find the multicast tree with the user utility, the network provider utility and the reliability degree of meeting with the user QoS requirement maximized. Simulation results have shown that the proposed algorithm is both feasible and effective.
Food chain algorithm (FCA) Quality of Service (QoS) Multicast routing scheme
JUNWEI WANG
Northeastern University at Qinhuangdao, Qinhuangdao, 066004, P.R.China
国际会议
The Second International Conference on Information & Systems Sciences(ICISS2008)(第二届信息与系统科学国际会议)
大连
英文
265-275
2008-12-18（万方平台首次上网日期，不代表论文的发表时间）