Avaya 580 사용자 설명서
25-6
User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Chapter 25
Diagram of QoS Process
illustrates the QoS process from when a frame enters the switch
to when the frame exits the switch.
Figure 25-1. QoS Process
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Frame is forwarded
from ingress priority
queue to egress port.
from ingress priority
queue to egress port.
NOTE: If policing is
enabled, the switch
forwards traffic that
falls within the
maximum bit rate and
drops traffic that
exceeds the maximum
bit rate.
enabled, the switch
forwards traffic that
falls within the
maximum bit rate and
drops traffic that
exceeds the maximum
bit rate.
Frame is stored in 1
of 8 egress priority
queues on egress port.
of 8 egress priority
queues on egress port.
Frame is forwarded from
egress priority queue to
destination.
egress priority queue to
destination.
The switch uses queue-
servicing algorithms to
schedule transmission of
frames from the egress
queues.
servicing algorithms to
schedule transmission of
frames from the egress
queues.
Frame is stored in 1 of
8 ingress priority
queues
8 ingress priority
queues
Priority of frame is
identified.
identified.
Frame received on
switch port.
switch port.
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