Functions supported by the QoS technology

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In a high bandwidth consuming network, quality of service (QoS) can properly allocate limited bandwidth resources by service type. In case of network congestion, QoS preferentially guarantees committed bandwidth for important services to ensure their availability. In a network that has sufficient bandwidth, the QoS technology is not required.

Other related questions:
QOS function specification support by OSN3500 card.
1.support CAR,bandwidth granularity 64kbit/s. 2.N1EFS0 card support business classification by PORT,PORT+VLAN ID,PORT+VLAN PRI. 3.N2EFS0,N4EFS0 and N5EFS0 cards support business classification by PORT,PORT+VLAN ID,PORT+VLAN PRI.

What is the function of the WLAN QoS profile
The QoS profile defines the local priority and CAR. The WLAN QoS profile is bound to a user group. After WLAN users are authenticated successfully, the RADIUS server delivers authentication information containing the user group name to the AC. The AC delivers QoS CAR to the AP to limit STA data packets.

Tail drop in the QoS function of the USG6000 series
Tail drop After a queue is full, the packet that arrives last is discarded.

MF classification in the QoS function of the USG6000 series
In MF classification, packets are classified elaborately based on complex rules, for example, based on the source address or destination address of IPv4 or IPv6 packets, the protocol type, or the TCP/UDP port numbers of applications. MF classification is usually performed on the border device in the Diff-Serv model.

Service models in the QoS function of the USG6000 series
In the QoS mechanism, services are provided to users in different service models based on the network quality and requirements. There are three common QoS service models: �?Best-effort service model �?Integrated service model �?Differentiated service model

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