Ability to dictate traffic treatment
- Prioritization - only occurs during congestion
- Shaping / Policing
- Advanced Strategies (WRED)
ㅤ | Audio Requirements | VIdeo Requirements |
Jitter | < 30ms | < 30 ms |
Delay | < 150 ms | < 150 ms |
Loss | < 1% | < 1% |
QoS | DSCP EF | DSCP AF41 |
Bandwidth | Little | Lots |
Models
- Best Effort
- Integrated Services (INTSERV) - rsvp protocol
- Differentiated Services (DIFFSERV) - scalable
Methods
- Classification and marking
- Queuing (Congestion management)
- Congestion avoidance
- Link efficiency
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