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Cisco LAN Switching Fundamentals by Basir Sakandar - CCIE No. 6040, David Barnes - CCIE No. 6563

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Chapter 8. Understanding Quality of Service on Catalyst 6500

This chapter covers the following topics:

Quality of service (QoS), at a rudimentary level, is defined as providing preferential treatment for priority traffic. It does this on the expense of low-priority traffic. The motivation behind QoS is to allow network- and user-critical data to have consistent and reliable access to the network. QoS deployment is central to converged networks where IP telephony has merged with traditional data network. QoS helps with management of latency and bandwidth on the network. Some general terms will be outlined, but the bulk of this chapter will be dedicated to the life of ...

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