One of the key aspects that must be considered when designing WAN solutions is Quality of Service. There are many different categories of the DiffServ QoS approach, including the following:
- Congestion management
- Congestion avoidance
- Link efficiency mechanisms
QoS techniques are often used in WANs because of their bandwidth characteristics, which are usually low compared to LAN implementations.
Shaping and Policing
Shaping is not the same as policing. Shaping is the process that tries to control the way in which traffic is sent, by buffering excess . . .
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