关于应用层组播协议设计的学位论文，对现有各种应用层组播协议进行了理论研究和分析比较，根据现有的ComCube模型提出了BUCast协议，进行了仿真实验验证。-On the application layer multicast protocol design dissertation on the existing application-layer multicast protocol for a variety of theoretical study and analysis and comparison, according to the existing ComCube model proposed BUCast agreement with experimental verification of the simulation.