RST-3508
9805_05_2004_c2
RST-3508
9805_05_2004_c2
© 2004 Cisco Systems, Inc. All rights reserved. Printed in USA.
Presentation_ID.scr
QoS
© 2003, Cisco Systems, Inc. All rights reserved.
QoS Terminology
QoS labels
are used to prioritize traffic
•
COS, TOS, DSCP
Classification
is selection of traffic based on
•
labels, policy
Marking
is application of QoS labels to traffic
•
Policing
is process by which the switch limits the
•
bandwidth consumed by a flow of traffic
Queuing
is placing of traffic in different
•
transmit queues
Scheduling
is process of emptying the
•
transmit queues
© 2004 Cisco Systems, Inc. All rights reserved.
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