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Comparison of QoS traffic detection strategies. AF, Application Function; TDF, Traffic Detection Function.
| AF Mechanism | TDF Mechanism | Centralized Data Center | Proposed Mechanism | |
|---|---|---|---|---|
| Robustness | Low | Low | Good | Very good |
| Scalability | Good | Low | Very good | Very good |
| QoS processing | Distributed | Centralized | Centralized | Distributed/Centralized |
| Traffic detection possibilities | Good | Good | Very good | Very good |
| Additional delay during QoS detection | Low | Low | Intermediate | Low |
