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Deploying QoS for Cisco IP and Next Generation Networks by Brett Chapman, Vinod Joseph

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Chapter 12

Proof of Concept for Verifying QoS Behavior in Cisco IP NGN Networks

12.1 Overview

Now that we’ve discussed recommendations for deploying QoS as well as understanding the implementation of QoS for the various services that can exist in an IP NGN infrastructure, the question that arises is: How do we verify whether the deployment of QoS is serving its purpose? In other words, how does an operator know whether the deployed QoS framework is really making a difference to the network and actually protecting critical applications during periods of congestion? We know, and have seen in the preceding chapters, the use of the various show commands that are available both in Cisco IOS and XR that present a good amount of detail in terms of verifying ...

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