Answer to Question #168037 in Computer Networks for Yeboah Bridget

Question

Questions

• Consider a bit streaming scenario for a video where the 

following values apply:

– The buffer size is 1 MiB

– The low watermark is set at 100KiB

– The high watermark is set at 900KiB

– The incoming data rate is 1Mbps

– The video display rate is 300 Kbps

All material presented in this course is based on the 

book by D. Dalcher and L. Brodie Successful IT 

projects

Answer 1

Given,

The buffer size = 1 MiB=1000kb

The low watermark =100KiB

The high watermark =900KiB

The incoming data rate = 1Mbps=1000kbps

The video display rate =300 Kbps

Data which to be streamed =900kb- 100kb = 800 kb

Let x be the time after the streaming begins,

$1000x-300x=800$

$\Rightarrow 700x=800$

$\Rightarrow x = \frac{800}{700}$

$\Rightarrow x = \frac{8}{7}$

Hence it will take 8/7 second to fill up to the high water mark.