Chapter 4. Voice and Video Quality Issues
Defining Common Voice and Video Quality Issues
When voice, video, and data are converged onto the same network infrastructure, it becomes important to ensure proper quality of service. Voice and video are both sensitive to latency and packet drops, and require guaranteed bandwidth end to end across the network. It is important to remember that communication will operate only as fast as the slowest communication link the traffic must pass. We will now address the various types of problems that voice and video traffic encounter in a network
Delay
End-to-End Delay
The total delay across the network is the sum of the following factors:
• Propagation delay across the transmission media (~40ms coast to coast ...
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