5. QOS Flashcards by Hannes Krogmann | Brainscape

Q

What is the motivation for QoS?

A

Internet is best-effort in terms of:
- Jitter
- Bandwidth
- Packet loss
- Delay

Some services (e.g. VoIP) need guarantees

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Q

What are the QoS categories?

A

Best-effort (e.g. Web-browsing)
Statistical (e.g. IPTV)
Deterministic (e.g. voice)

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Q

What are QoS mechanisms?

A

Admission control and resource reservation
Traffic shaping
Scheduling strategies

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Q

A

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