应用层组播（Application-Level Multicast）：基于层的组播技术尽管经过了多年的研究，但是在实施上还有困难。主要的问题包括扩展性，网络管理，实施和高层应用的支持。
基于4个网页-相关网页
Application-Level Multicast 应用层组播 ; 应用层多播 ; 用层多播
Streaming Application Level Multicast 媒体的应用层组播技术
application-level multicast alm 应用层多播
The application level multicast tree is composed of the end hosts which can not ensure the stability of the multicast tree.
应用层组播树是由终端用户构造而成，其稳定性不能得到保证。
In order to accelerate the deployment and solve the existing problems of multicast, there has been proposed application-level multicast.
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。
As an efficient solution, IP multicast is being increasingly replaced by application-level multicast on account of the lack of widespread support.
作为有效解决方法的IP组播因为缺乏广泛的支持而逐渐被应用层组播代替。
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