先进的组播技术 Sendel Router Router Internet Receivers Multicasting Multicast 在|P网上一对多的传输 支持视频会议, e- earning,培训等 D Sender Unicasting Internet Receivel 2021/2/192021/2/19 4 先进的组播技术 Router Router Internet Router D1 D2 D3 D1 D2 D3 D1 D2 D3 D1 D2 D3 Sender Receivers Multicast -在 IP 网上一对多的传输 -支持视频会议, -e-learning, 培训等 Unicasting Router Router Internet Router D D D D D D Sender Receivers Multicasting