【摘要】 为了加速组播的应用,解决现有组播存在的问题,近年来提出了应用层组播。将组播的功能从路由器转移到终端,不需要路由器维护组播组的路由表,且不用改变现有网络设施,方便实现组播功能。论述了现有的应用层组播,并对它们进行比较和评价,最后提出发展前景和进一步的研究方向。更多还原

【Abstract】 In order to accelerate the deployment and solve the existing problems of multicast,there has been proposed application-level multicast.It shifts the multicast ability from routers to the end hosts,therefore routers need not maintain the routing table and does not modify the infrastcture of the current network.The multicast function is easily fulfilled.This paper depicts the existing application-level multicast,evaluates and compares with them.In the end the prospect and the future work is discussed.更多还原