Open-Loop Algorithms - Scalable Continuous Media Streaming Systems - page 326

10000

CB, m= 16
CB, m= 4
CB, m= 2
CB, m= 1

GCB, m= 16
GCB, m= 4
GCB, m= 2
GCB, m= 1

1000

100

10

CB : Consonant Broadcasting
GCB : Grouped Consonant Broadcasting

0

0.1 2 4 4

Startup latency (minutes)

Figure 18.9 Number of logical channels requirement (log-scale) versus start-up latency

GCB, 32 network channels
GCB, 64 network channels
GCB, 128 network channels

CB, 32 network channels
CB, 64 network channels,
CB, 128 network channels

20

CB : Consonant Broadcasting (solid line)
GCB : Grouped Consonant Broadcasting
(dotted line)

10

The start - up latency of CB
cannot improve further

0

2 b 4 b 6 b

Network bandwidth (multiples of video bit-rate b )

Figure 18.10 Start-up latency versus network bandwidth for fixed number of network channels