单播流一考虑3个15Mb流 1.5Mbx3=4.5Mb Video Server 1.5 Mbx2=3 Mb 1.5Mbx1=1.5Mb 1.5Mbx1=1.5Mb 1.5Mbx1=1.5M 1.5 Mbx1=1.5 Mb Rece Receiver Receiver Not a Receiver
6 1.5 Mb x 3 = 4.5 Mb 1.5 Mb x 2 = 3 Mb 1.5 Mb x 1 = 1.5 Mb 1.5 Mb x 1 = 1.5 Mb 1.5 Mb x 1 = 1.5 Mb 1.5 Mb x 1 = 1.5 Mb 单播流-考虑3个1.5 Mb流 Video Server Receiver Receiver Receiver Not A Receiver
单播流考虑100个1.5Mb流 1.5Mbx100=150Mb Video 1.5Mbx100=150 Server Mb 1.5Mbx100=150Mb 1.5Mbx100=150Mb 如果用组播,则主干只有一个 流,流量是单播的1/n Receiver 1 Receiver 100
7 单播流-考虑100个1.5 Mb流 . . . 1.5 Mb x 100 = 150 Mb 1.5 Mb x 100 = 150 Mb 1.5 Mb x 100 = 150 Mb Receiver 1 Receiver 100 1.5 Mb x 100 = 150 Mb Video Server 如果用组播,则主干只有一个 流,流量是单播的1/n
广播流 1.5Mb Video Server 我不希望接收这个视 频流但我的CPU仍要 处理这个1.Mb流 1.5 Mb 1.5 Mb 1.5 Mb 1.5Mb 1.5 Mb 1.5 Mb Receiver Receiver ecelver Receiver
8 广播流 我不希望接收这个视 频流,但我的CPU仍要 处理这个1.5 Mb流 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb Video Server Receiver Receiver Receiver Not A Receiver
组播流 1.5Mb Video 组播主干流量是 Server 单播主干流量的1/n 1.5 Mb 1.5Mb 1.5 Mb 1.5 Mb 1.5 Mb Receiver Receiver Receiver Not a Receiver 组播服务器用组播地址(特别的广播)把单个数据流 发送到多个客户端
9 组播流 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb 1.5 Mb Video Server • 组播服务器用组播地址(特别的广播)把单个数据流 发送到多个客户端 组播主干流量是 单播主干流量的1/n Receiver Receiver Receiver Not A Receiver
对多的组播 ◆One-to-many Sender H Receivers 2021/2/19 10
2021/2/19 10 一对多的组播 ◆One-to-many Sender Receivers