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Traffic Sensitive Active Queue Management for Improved Quality of ServicePhirke, Vishal Vasudeo 07 May 2002 (has links)
The Internet, traditionally FTP, e-mail and Web traffic, is increasingly supporting emerging applications such as IP telephony, video conferencing and online games. These new genres of applications have different requirements in terms of throughput and delay than traditional applications. For example, interactive multimedia applications, unlike traditional applications, have more stringent delay constraints and less stringent loss constraints. Unfortunately, the current Internet offers a monolithic best-effort service to all applications without considering their specific requirements. Adaptive RED (ARED) is an Active Queue Management (AQM) technique, which optimizes the router for throughput. Throughput optimization provides acceptable QoS for traditional throughput sensitive applications, but is unfair for these new delay sensitive applications. While previous work has used different classes of QoS at the router to accommodate applications with varying requirements, thus far all have provided just 2 or 3 classes of service for applications to choose from. We propose two AQM mechanisms to optimize router for better overall QoS. Our first mechanism, RED-Worcester, is a simple extension to ARED in order to tune ARED for better average QoS support. Our second mechanism, REDBoston, further extends RED-Worcester to improve the QoS for all flows. Unlike earlier approaches, we do not predefine classes of service, but instead provide a continuum from which applications can choose. We evaluate our approach using NS-2 and present results showing the amount of improvement in QoS achieved by our mechanisms over ARED.
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An extensible design of a load-aware virtual router monitor in user space.January 2011 (has links)
Choi, Fu Wing. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (p. 54-57). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.2 / Chapter 2 --- Overview --- p.5 / Chapter 2.1 --- Summary of our Router Virtualization Architecture --- p.6 / Chapter 3 --- LVRM Design --- p.9 / Chapter 3.1 --- Socket Adapter --- p.9 / Chapter 3.2 --- VR Monitor --- p.11 / Chapter 3.3 --- VRI Monitor --- p.14 / Chapter 3.4 --- VRI Adapter --- p.16 / Chapter 3.5 --- Inter-Process Communication (IPC) Queue --- p.17 / Chapter 3.6 --- LVRM Adapter for VRI --- p.17 / Chapter 3.7 --- VRI --- p.18 / Chapter 3.8 --- Interfacing Between LVRM and VRs --- p.18 / Chapter 4 --- Experiments --- p.20 / Chapter 4.1 --- Experimental Setup --- p.20 / Chapter 4.2 --- Performance Overhead of LVRM --- p.23 / Chapter 4.3 --- Core Allocation --- p.31 / Chapter 4.4 --- Load Balancing --- p.38 / Chapter 4.5 --- Scalability --- p.43 / Chapter 4.6 --- Lessons Learned --- p.47 / Chapter 5 --- Related Work --- p.50 / Chapter 6 --- Conclusions --- p.52
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Altruistic QoS routing and multi-path multimedia communicationLee, Chung-Wei, January 2001 (has links) (PDF)
Thesis (Ph. D.)--University of Florida, 2001. / Title from first page of PDF file. Document formatted into pages; contains xi, 86 p.; also contains graphics. Vita. Includes bibliographical references (p. 82-85).
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A pervasive information framework based on semantic routing and cooperative cachingChen, Weisong, January 2004 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2005. / Title proper from title frame. Also available in printed format.
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Quality of service routing with path information aggregationTam, Wing-yan. January 2006 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
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Traffic sensitive quality of service controllerKumar, Abhishek Anand. January 2004 (has links)
Thesis (M.S.)--Worcester Polytechnic Institute. / Keywords: delay hints; AQM; QoS Controller. Includes bibliographical references (p. 49-52).
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Adaptive explicit congestion notification (AECN) for heterogeneous flowsZheng, Zici. January 2001 (has links)
Thesis (M.S.)--Worcester Polytechnic Institute. / Keywords: AECN; heterogeneous flows; RED; ECN; goodput; fairness. Includes bibliographical references.
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The next generation router system cooling design a thesis /Glover, Garrett, 1982- Maddren, Jesse, 1963- January 1900 (has links)
Thesis (M.S.)--California Polytechnic State University, 2009. / Title from PDF title page; viewed on December 17, 2009. Major professor: Jesse Maddren, Ph.D. "Presented to the faculty of California Polytechnic State University, San Luis Obispo." "In partial fulfillment of the requirements for the degree [of] Master of Science in Mechanical Engineering." "2009." Includes bibliographical references. Also available on microfiche.
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Stable and scalable arbitration algorithms for crossbar-based switches/routers /Liu, Jing. January 2003 (has links)
Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003. / Includes bibliographical references (leaves 92-96). Also available in electronic version. Access restricted to campus users.
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Quality of service routing in mobile ad hoc networks /Chau, Ming Kit. January 2003 (has links)
Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003. / Includes bibliographical references (leaves 156-159). Also available in electronic version. Access restricted to campus users.
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