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Quality of Service (QoS) is a metric that defines the treatment of data as it is carried through the internet. With the rise of time sensitive applications such as teleconferencing, voice over IP, and virtual private networks, the need to provide guaranteed bandwidth to some applications and best effort bandwidth to others requires that bandwidth be allocated by type of service or class across the entire internet as opposed to solely within an individual provider's network. QoS addresses this need for treatment of aggregate internet data flows by summarizing traffic into classes throughout the network, allowing for the direction of traffic without the overhead of managing end-to-end flows.
This chapter describes the commands to configure and display:
- The QoS IP and MPLS classifier
- Per-hop Scheduling Class (PSC)
- DSCP and EXP mapping
- Queues
- Random Early Detection (RED)
- Packet treatment
- Traffic assignment
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
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IPriori™, Composite Links™, SSR™, QSR, and NSR® are
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Source
File Name: QoSCommands.fm
HTML File Name: QoSCommands.html
Last Updated: 12/19/04 at 14:58:58