TAILIEUCHUNG - Infrastructure Quality of Service

These are charts from Ganymede Chariot used in a lab based on FIFO (no queuing). TCP traffic was going all over the chart. With nothing controlling the traffic, throughput is horrible and completely unpredictable! With Traffic Shaping, Frame Relay DE bit setting, Class-Based Weighted Fair Queuing (CBWFQ), and Weighted Random Early Detection (WRED) enabled, the network is much more well behaved. We’ll discuss CBWFQ and WRED in the Queuing module. In this section we’ll look at techniques for Classification and Marking. These are the beginning of solving the example customer’s problem | Infrastructure Quality of Service Clin Stitebc 2000 Cisco Systems Inc. Copyright 2000 Cisco Systems Inc. 1 Objectives Upon completion of this module you will be able to perform the following tasks Describe the purpose of classification and marking Explain IP Precedence and Diff-Serv Describe Quality of Service policy using Modular QoS Command Line Interface CLI Explain Network Based Application Recognition NBAR 2000 Cisco Systems Inc. .com econ_0386_09_010ppt Copyright 2000 Cisco Systems Inc. 2 Objectives Describe forms of packet frame or cell marking Describe the purpose and benefits of Resource Reservation Protocol RSVP and Common Open Policy Service COPS Explain briefly how RSVP and COPS work Describe each of the Cisco QoS management products Identify the functions of each product Recommend a full QoS management architecture 2000 Cisco Systems Inc. .com econ_0386_09_010Fpt Copyright 2000 Cisco Systems Inc.

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