December 2005
Beginner
336 pages
5h 28m
English
Content preview from Voice over IP First-Step
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Chapter 6. Why Quality Matters
What You Will Learn
After reading this chapter, you should be able to:
✓ | Explain why QoS is critical on VoIP networks. |
✓ | Distinguish between congestion management and congestion avoidance. |
✓ | Describe how to limit the bandwidth used by specific traffic types. |
✓ | Identify strategies for maximizing available WAN bandwidth for VoIP traffic. |
Traditionally, networks physically separated voice, video, and data traffic. These traffic types literally flowed over separate media (for example, leased lines or fiber optic cables). Today, however, network designers leverage the power of existing data networks to transmit voice and video, thus achieving significant cost savings by reducing equipment, maintenance, and even staffing costs. ...
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