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 Receiver6 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