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Computer and Communication Networks, Second Edition by Nader F. Mir

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Chapter 13. Quality of Service and Scheduling in Routers

Recall from Chapter 12 that the main portion of the input port processor (IPP) and output port processor (OPP) in advanced routers was quality of service (QoS). QoS together with the packet scheduling used in IPPs were left to be covered completely in this chapter. Therefore, this chapter extends the discussion on the architectures of switches and routers presented in Chapter 12 and explores all angles of QoS and packet scheduling methods included in advanced switches and routers. Numerous methods of providing QoS and implementing packet scheduling at routers are presented in this chapter, including the material that appears under the following main topics:

Overview of quality of service ...

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