Figure 4.3 Duration before buffer overflows for different data rates (Buffer = 100 MB)
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It is interesting to know when the buffer will overflow during a heavy weather condition in which data are generated at a very high rate. Given the buffer size of 100 MB, Figure 4.3 below shows the time duration at which the buffer overflows given different data generation rates:
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Figure 4.3 Duration before buffer overflows for different data rates (Buffer = 100 MB) |
From the figure above, it can be seen that the buffer can withstand approximately 25 hours before overflows for a data rate of 65 kbps. Since the data generation rate is fluctuating in real situation, the time cannot be precisely predicted. The figure above shows that a buffer size of 100 MB is adequate if the data rate does not exceed 70 kbps for a long period of time. Given that the data rate seldom exceeds 70 kbps, the current buffer is large enough for its purpose.
Next: Chapter 4.2.3: Latency