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D-Link DES-3010FA/GA User Guide
Page 184
CoS Services
After packets are assigned to a specific egress queue, CoS services can be assigned to the queue. Egress
queues are configured with a scheduling scheme by one of the following methods:
• Strict Priority — Ensures that time-sensitive applications are always forwarded. Strict Priority (SP) allows
the prioritization of mission-critical, time-sensitive traffic over less time-sensitive applications.
For example, under SP, voice over IP (VoIP) traffic can be prioritized so that it is forwarded before FTP or
e-mail (SMTP) traffic.
• Weighted Round Robin — Ensures that a single application does not dominate the device forwarding
capacity. Weighted Round Robin (WRR) forwards entire queues in a round robin order. All queues can partic-
ipate in WRR, expect SP queues. SP queues are serviced before WRR queues. If the traffic flow is minimal,
and SP queues do not occupy the whole bandwidth allocated to a port, the WRR queues can share the band-
width with the SP queues. This ensures that the remaining bandwidth is distributed according to the weight
ratio. If WRR is selected, the following weights are assigned to the queues: 1, 2, 4, 8.
The Basic Setup > Quality of Service tab provides links to the following topics:
• General Settings
• Queue Mapping