Priority Preemption Algorithm in Mesh Overlay Multicast
Zhen Liu · Journal of Beijing Jiaotong University · 2008
Hosts in overlay multicast systems have heterogeneity in both of bandwidth and other characteristics.Considering the heterogeneity in design of overlay multicast protocol and organizing nodes and construction in priority may improve the overall performance.In this paper,by identifying the main distribution trees which carry most of the data delivery from Mesh overlay multicast systems,and designing a heuristics prioritization preemption algorithm in the context of heterogeneity of nodes,the high priority nodes will preempt low ones,so the nodes which are more powerful are to be near the source,this will result improvement of the overall system performance.The design of protocol was also presented in this paper,the target structure was analysized and finally verification was carried out by simulations.