Quality of Service Provisioning in Wireless and High-Speed Networks
Chaskar, Hemant Madhusudan
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https://hdl.handle.net/2142/81303
Description
Title
Quality of Service Provisioning in Wireless and High-Speed Networks
Author(s)
Chaskar, Hemant Madhusudan
Issue Date
1999
Doctoral Committee Chair(s)
Upamanyu Madhow
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
The goal in the second part of the thesis is the alleviation of a potential processing bottleneck encountered in packet scheduling in high-speed wireline networks. The scheduler should be designed to provide minimum-bandwidth and delay guarantees, and fair sharing of excess bandwidth. In the state-of-the-art schedulers, based on the weighted fair queuing (WFQ) paradigm, packets are assigned (transmission sequence) tags based on the bandwidth shares of the connections. In order to relieve the processing burden due to tag computation and sorting, variants of weighted round robin (WRR) scheduling paradigm are proposed in this thesis. Contrary to conventional thinking, it is shown that, for networks with fixed packet lengths, such WRR schemes can guarantee the same desirable properties as different WFQ schemes.
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