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Dissertations / Theses on the topic 'Active queue management (AQM)'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Phirke, Vishal Vasudeo. "Traffic Sensitive Active Queue Management for Improved Quality of Service." Digital WPI, 2002. https://digitalcommons.wpi.edu/etd-theses/780.

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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. Adaptiv

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2

Mohamed, Mahmud H. Etbega. "Some Active Queue Management Methods for Controlling Packet Queueing Delay. Design and Performance Evaluation of Some New Versions of Active Queue Management Schemes for Controlling Packet Queueing Delay in a Buffer to Satisfy Quality of Service Requirements for Real-time Multimedia Applications." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4258.

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Traditionally the Internet is used for the following applications: FTP, e-mail and Web traffic. However in the recent years the Internet is increasingly supporting emerging applications such as IP telephony, video conferencing and online games. These new applications have different requirements in terms of throughput and delay than traditional applications. For example, interactive multimedia applications, unlike traditional applications, have more strict delay constraints and less strict loss constraints. Unfortunately, the current Internet offers only a best-effort service to all application

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Li, Zhi. "Fuzzy logic based robust control of queue management and optimal treatment of traffic over TCP/IP networks." University of Southern Queensland, Faculty of Sciences, 2005. http://eprints.usq.edu.au/archive/00001461/.

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Improving network performance in terms of efficiency, fairness in the bandwidth, and system stability has been a research issue for decades. Current Internet traffic control maintains sophistication in end TCPs but simplicity in routers. In each router, incoming packets queue up in a buffer for transmission until the buffer is full, and then the packets are dropped. This router queue management strategy is referred to as Drop Tail. End TCPs eventually detect packet losses and slow down their sending rates to ease congestion in the network. This way, the aggregate sending rate converges to the

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Al-Hammouri, Ahmad Tawfiq. "INTERNET CONGESTION CONTROL: COMPLETE STABILITY REGION FOR PI AQM AND BANDWIDTH ALLOCATION IN NETWORKED CONTROL." online version, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1189088621.

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Wang, Lan. "Performance modeling of congestion control and resource allocation under heterogeneous network traffic : modeling and analysis of active queue management mechanism in the presence of poisson and bursty traffic arrival processes." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4455.

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Along with playing an ever-increasing role in the integration of other communication networks and expanding in application diversities, the current Internet suffers from serious overuse and congestion bottlenecks. Efficient congestion control is fundamental to ensure the Internet reliability, satisfy the specified Quality-of-Service (QoS) constraints and achieve desirable performance in response to varying application scenarios. Active Queue Management (AQM) is a promising scheme to support end-to-end Transmission Control Protocol (TCP) congestion control because it enables the sender to react

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Fares, Rasha H. A. "Performance modelling and analysis of congestion control mechanisms for communication networks with quality of service constraints. An investigation into new methods of controlling congestion and mean delay in communication networks with both short range dependent and long range dependent traffic." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5435.

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Active Queue Management (AQM) schemes are used for ensuring the Quality of Service (QoS) in telecommunication networks. However, they are sensitive to parameter settings and have weaknesses in detecting and controlling congestion under dynamically changing network situations. Another drawback for the AQM algorithms is that they have been applied only on the Markovian models which are considered as Short Range Dependent (SRD) traffic models. However, traffic measurements from communication networks have shown that network traffic can exhibit self-similar as well as Long Range Dependent (LRD) pr

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Fares, Rasha Hamed Abdel Moaty. "Performance modelling and analysis of congestion control mechanisms for communication networks with quality of service constraints : an investigation into new methods of controlling congestion and mean delay in communication networks with both short range dependent and long range dependent traffic." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5435.

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Active Queue Management (AQM) schemes are used for ensuring the Quality of Service (QoS) in telecommunication networks. However, they are sensitive to parameter settings and have weaknesses in detecting and controlling congestion under dynamically changing network situations. Another drawback for the AQM algorithms is that they have been applied only on the Markovian models which are considered as Short Range Dependent (SRD) traffic models. However, traffic measurements from communication networks have shown that network traffic can exhibit self-similar as well as Long Range Dependent (LRD) pr

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Chung, Jae Won. "Congestion control for streaming media." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-081805-084831/.

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Dissertation (Ph.D.) -- Worcester Polytechnic Institute.<br>Keywords: streaming media; streaming transport protocol; active queue management (AQM); Internet congestion control. Includes bibliographical references (p. 236-248).

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Nikaeen, Ramin. "Combined Queue-Rate Active Queue Management for Internet congestion control." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63024.pdf.

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Santi, Juliana de 1982. "Gerenciamento ativo de filas para o protocolo "High Speed Transmission Control Protocol" em redes com produto banda-atraso elevado." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276151.

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Orientador: Nelson Luis Saldanha da Fonseca<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Computação<br>Made available in DSpace on 2018-08-13T10:35:13Z (GMT). No. of bitstreams: 1 Santi_Julianade_M.pdf: 1658984 bytes, checksum: 8a9f078587406a06815484e4fe057f7d (MD5) Previous issue date: 2008<br>Resumo: A utilização eficiente da banda passante em redes de alta velocidade e grandes atrasos, denominadas redes com produto banda-atraso elevado (PBA), tornou-se um grande desafio. Isto ocorre devido aos ajustes do protocolo Transmission Control Protocol (TCP). O High

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Dahlberg, Love. "A Data Plane native PPV PIE Active Queue Mangement Scheme using P4 on a Programmable Switching ASIC." Thesis, Karlstads universitet, Institutionen för matematik och datavetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-84552.

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New internet services require low and stable latency, which is difficult to provide with traditional routers and queuing mechanisms. Current routers aim to provide high throughput using large buffers causing considerable network latency under load. Recently, Active Queue Management (AQM) algorithms have been proposed to reduce such problem by actively controlling queue lengths to maintain target latencies. However, AQMs are difficult to implement in switching Application-Specific Integrated Circuits (ASIC) due to inherent architectural constraints. On the other hand, resource sharing is anothe

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Adams, Richelle Vive-Anne. "Infinitesimal Perturbation Analysis for Active Queue Management." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19844.

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Active queue management (AQM) techniques for congestion control in Internet Protocol (IP) networks have been designed using both heuristic and analytical methods. But so far, there has been found no AQM scheme designed in the realm of stochastic optimization. Of the many options available in this arena, the gradient-based stochastic approximation method using Infintesimal Perturbation Analysis (IPA) gradient estimators within the Stochastic Fluid Model (SFM) framework is very promising. The research outlined in this thesis provides the theoretical basis and foundational layer for the develop

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Jou, Jia-Shiang. "Multifractal internet traffic model and active queue management." College Park, Md. : University of Maryland, 2003. http://hdl.handle.net/1903/53.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2003.<br>Thesis research directed by: Electrical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Wang, Xiaoyan. "Active queue management for real-time IP traffic." Thesis, Queen Mary, University of London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.444160.

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Yu, Bo. "Delay-oriented active queue management in TCP/IP networks." Thesis, Queen Mary, University of London, 2011. http://qmro.qmul.ac.uk/xmlui/handle/123456789/1331.

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Internet-based applications and services are pervading everyday life. Moreover, the growing popularity of real-time, time-critical and mission-critical applications set new challenges to the Internet community. The requirement for reducing response time, and therefore latency control is increasingly emphasized. This thesis seeks to reduce queueing delay through active queue management. While mathematical studies and research simulations reveal that complex trade-off relationships exist among performance indices such as throughput, packet loss ratio and delay, etc., this thesis intends to find

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Chan, Ming Kit. "Active queue management schemes using a capture-recapture model /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?COMP%202002%20CHAN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 58-61). Also available in electronic version. Access restricted to campus users.

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Fountanas, Leonidas. "Active queue management mechanisms for real-time traffic in MANETs /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2001. http://handle.dtic.mil/100.2/ADA401102.

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Thesis (Electrical Engineer and M.S. in Electrical Engineering) Naval Postgraduate School, Dec. 2001.<br>"December 2001." Thesis advisor(s): Tummala, Murali ; Ives, Robert W. ; Parker, Robert E. Includes bibliographical references (p. 101-104). Also available online.

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Giglio, Alberto. "Router-based Congestion Control through Control Theoretic Active Queue Management." Thesis, KTH, Reglerteknik, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109475.

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Fountanas, Leonidas, and Leonidas Fountanas. "Active queue management mechanisms for real-time traffic in MANETs." Thesis, Monterey, California. Naval Postgraduate School, 2001. http://hdl.handle.net/10945/6052.

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Approved for public release; distribution is unlimited.<br>Approved for public release; distribution is unlimited.<br>This thesis develops active queue management mechanisms for real-time traffic for MANETs. Providing QoS for real-time applications is still an open issue as stated in RFC 2309. The proposed packet-dropping algorithm called Selective Early Discard (SED) selectively drops packets in order to spread the packet losses in a queue. Two variations of SED are also examined: one adds priority in order to provide service differentiation and the other utilizes timestamps to enable the int

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Hamadneh, Nabhan. "Analysis and design of active queue management for TCP-RED congestion control strategies." Thesis, Hamadneh, Nabhan (2012) Analysis and design of active queue management for TCP-RED congestion control strategies. PhD thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/14099/.

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This thesis investigates the problems of the Active Queue Management (AQM) techniques for congestion control in TCP networks. Random Early Detection (RED) and the RED-based strategies, which adopt the AQM approach, are evaluated through simulation. Two main problems of RED, and its variants, are considered. The first problem is the mismatch between the average and actual queue sizes. The second problem is the parameter configuration. This thesis proposes three new RED-based strategies and simulates them using the NS-2 simulator. These novel strategies are evaluated and com- pared with current

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Lie, Arne. "Enhancing Rate Adaptive IP Streaming Media Performance with the use of Active Queue Management." Doctoral thesis, Norwegian University of Science and Technology, Department of Telematics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-2092.

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<p>The Internet is today a world wide packet switching arena constituting enormous possibilities of new services and business creation. E.g., there is a clear tendency that more and more real-time services are making the jump from dedicated circuit-switched and broadcasting networks into packet switching. Examples are telephony, videoconferencing, and television. The Internet today is thus hosting a large set of different services, including the delay tolerant Web-surfing traffic, but also the non-delay tolerant real-time services. An additional challenge with most real-time traffic is that it

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Grigorescu, Eduard. "Reducing internet latency for thin-stream applications over reliable transport with active queue management." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=236098.

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An increasing number of network applications use reliable transport protocols. Applications with constant data transmission recover from loss without major performance disruption, however, applications that send data sporadically, in small packets, also called thin-streams, experience frequently high latencies due to 'Bufferbloat', that reduce the application performance. Active Queue Management mechanisms were proposed to dynamically manage the queues in routers by dropping packets early and reduce these, hence reducing latency. While their deployment to the internet remains an open issue, th

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Chen, Qiang. "Active queue management methods in computer communication networks based on pole placement and H-infinity optimal control." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/29343.

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This thesis studies the control of TCP traffic in the Internet nowadays. Both classical and modern control theory are used to design the controllers for the TCP/AQM system. For the classical control theoretical approaches, we revisit the simple pole placement technique, and exploit this technique to propose four kinds of controllers for active queue management (AQM) in IP routers: the Proportional controller based on Pole Placement (the P_PP controller), the Proportional-plus-integral controller based on Pole Placement (the PI_PP controller), the Self Tuning Proportional controller based on Po

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Abdel-Jaber, Hussein F. "Performance Modelling and Evaluation of Active Queue Management Techniques in Communication Networks. The development and performance evaluation of some new active queue management methods for internet congestion control based on fuzzy logic and random early detection using discrete-time queueing analysis and simulation." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4261.

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Since the field of computer networks has rapidly grown in the last two decades, congestion control of traffic loads within networks has become a high priority. Congestion occurs in network routers when the number of incoming packets exceeds the available network resources, such as buffer space and bandwidth allocation. This may result in a poor network performance with reference to average packet queueing delay, packet loss rate and throughput. To enhance the performance when the network becomes congested, several different active queue management (AQM) methods have been proposed and some of t

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Kuchár, Peter. "Simulace síťového prvku v prostředí Matlab." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218829.

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Master’s thesis is dedicated to the issue of network element. In the first part are described technological aspects as the internal structure of network elements and control mechanisms that provide differentiaton of services and support their quality requirements. In the first chapter are listed control mechanisms from most simple like FIFO to the more sophisticated like CBWFQ. Active queue managements are not missing and they are described in the section Riadiaci člen. Significant role in the differentiation of services have processes marking and pakets classification. The second chapter is d

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Chen, Zhenyu. "Discrete-time queueing model for responsive network traffic and bottleneck queues." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21314.

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The Internet has been more and more intensively used in recent years. Although network infrastructure has been regularly upgraded, and the ability to manage heavy traffic greatly increased, especially on the core networks, congestion never ceases to appear, as the amount of traffic that flow on the Internet seems to be increasing at an even faster rate. Thus, congestion control mechanisms play a vital role in the functioning of the Internet. Active Queue Management (AQM) is a popular type of congestion control mechanism that is implemented on gateways (most notably routers), which can predict

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QUET, Pierre-Francois D. "A ROBUST CONTROL THEORETIC APPROACH TO FLOW CONTROLLER DESIGNS FOR CONGESTION CONTROL IN COMMUNICATION NETWORKS." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1032194223.

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Diego, Maza William David. "Contrôle de trafic et gestion de la qualité de service basée sur les mécanismes IP pour les réseaux LTE." Thesis, Télécom Bretagne, 2016. http://www.theses.fr/2016TELB0406/document.

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Depuis quelques années le trafic de l'internet mobile ne cesse d'augmenter. Cette croissance soutenue est liée à plusieurs facteurs, parmi lesquels l'évolution des terminaux, la grande diversité des services et des applications disponibles et le déploiement des nouvelles technologies d'accès radio mobile (3G/4G). À cet égard, le standard 3GPP pour les réseaux LTE propose une architecture offrant une gestion fine de la QoS (par flux). Ce modèle, hérité des réseaux mobiles traditionnels orientés connexion, soulève des problèmes en termes de scalabilité, efficacité et performances. Les travaux en

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Lee, Choong-Soo. "WHITE : achieving fair bandwidth allocation with priority dropping based on round trip times." Link to electronic thesis, 2002. http://www.wpi.edu/Pubs/ETD/Available/etd-0430102-193829.

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Ariba, Yassine. "Sur la stabilité des systèmes à retards variant dans le temps : théorie et application au contrôle de congestion d'un routeur." Phd thesis, Université Paul Sabatier - Toulouse III, 2009. http://tel.archives-ouvertes.fr/tel-00442454.

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Cette thèse s'inscrit dans une thématique pluridisciplinaire explorant les liens existants entre la théorie de la commande et les réseaux informatiques. L'idée consiste à appliquer les outils de l'Automatique pour la stabilisation du trafic dans les réseaux de communication. Premièrement, nous nous sommes intéressés à l'analyse de stabilité des systèmes à retards variables au travers de deux approches temporelles. D'une part, nous avons considéré la méthode de Lyapunov-Krasovskii dans laquelle nous avons élaboré des fonctionnelles en adéquation avec de nouvelles modélisations du système (segme

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Li, Jian. "Garantir la qualité de service temps réel selon l'approche (m,k)-firm." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2007. http://tel.archives-ouvertes.fr/tel-00140318.

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Cette thèse se focalise sur le développement des algorithmes d'ordonnancement sous contrainte (m, k)-firm, ainsi que leurs applications pour la gestion de la qualité de service (QdS) dans les réseaux et systèmes temps réel distribués. L'objectif recherché est la ga-rantie déterministe de la QdS tout en maintenant un fort taux d'utilisation des ressources.<br />Les contributions sont (1) l'établissement d'une condition suffisante d'ordonnançabilité d'un ensemble de tâches sous l'algorithme « distance based priority »; (2) la définition de R-(m, k)-firm, un nouveau modèle qui relâche la contrain

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Li, Jian. "Garantir la qualité de service temps réel selon l'approche (m,k)-firm." Electronic Thesis or Diss., Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL012N.

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Cette thèse se focalise sur le développement des algorithmes d’ordonnancement sous contrainte (m, k)-firm, ainsi que leurs applications pour la gestion de la qualité de service (QdS) dans les réseaux et systèmes temps réel distribués. L’objectif recherché est la garantie déterministe de la QdS tout en maintenant un fort taux d’utilisation des ressources. Les contributions sont (1) l’établissement d’une condition suffisante d’ordonnançabilité d'un ensemble de tâches sous l’algorithme « distance based priority »; (2) la définition de R-(m, k)-firm, un nouveau modèle qui relâche la contrainte (m,

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Wang, Jiang. "An adaptive active queue management algorithm in Internet." Mémoire, 2006. http://www.archipel.uqam.ca/3071/1/M9440.pdf.

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Hou, Jia Ling, and 侯佳伶. "Evaluation on Active Queue Management." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/98167766235705069353.

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碩士<br>國立臺灣海洋大學<br>資訊工程學系<br>100<br>This paper focused on a system of active queue management (AQM) router nonlinear TCP network, try to use the Takagi-Sugeno (T-S) fuzzy model to construct a similar techniques mathematical model. The results showed that T-S fuzzy model can offer better approximation than the linear dynamic model. Based on the successful construction of T-S fuzzy model, T-S fuzzy controller design methods have in the development of AQM router, this paper proposed that the T-S fuzzy control architecture is a parallel distributed compensation (PDC) concept and iterative linear m

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Chang, Pen-Ming, and 張本明. "QoS-Aware Active Queue Management for Multimedia Services." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/13649677375222553729.

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碩士<br>元智大學<br>資訊工程學系<br>97<br>隨著IPTV或是視訊會議等應用程式越來越普及，所以多媒體影音串流已經變成網路上主要的流量。這類應用服務通常採用群體廣播技術傳遞影音內容以增加頻寬的使用效率，除此之外，對於其服務品質例如封包的延遲時間，頻宽需求有著比較嚴格要求。從頻寬的使用效率而言，應該要針對採用群體廣播連線提供更佳的服務。然而目前Best-effort的網路環境除了無法提供服務品質的保證，也不能對於採用群體廣播連線提供更佳的服務品質。因此，在這篇論文中提出一個針對多媒體及採用群體廣播連線的服務的多佇例，多門檻值主動式佇例管理配合公平權重排程演算法以保證服務品質。

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Yu, Chia-chun, and 余佳純. "A Proportional Rate-based Control for Active Queue Management." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/83964262050715635421.

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Chen, Zhi-Yi, and 陳志毅. "Active Queue Management with Weights to Provide Differentiated Services." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/15940348252466896781.

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碩士<br>義守大學<br>電機工程學系碩士班<br>95<br>Nowadays, the multimedia networks are common. To satisfy the different requirements in the multimedia networks, the QoS control mechanisms are necessary. Among these, the active queue management (AQM) plays an important role. Therefore, this thesis modifies the algorithm “GREEN (Global Random Early Estimation for Nipping).” GREEN enhances the concept of “Early” to “Early Estimation” by early estimating the network status. The network status obtained by estimation is earlier than by detection. In this way, the decision in the AQM can be made more quickly. Afte

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Lin, Tien-Huamr, and 林添華. "A Group-based Congestion Control Algorithm for Active Queue Management." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/06685523336186578602.

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碩士<br>國立中興大學<br>資訊科學系所<br>94<br>In a congested network, an aggressive node could acquire more bandwidth for itself by intentionally increasing the number of flows. This leads to a serious problem of fairness in bandwidth allocation. This problem can be solved by a technique known as virtual queue. In the network, each node employs a virtual queue with an initial drop probability. The probability is dynamically adjusted for each node to acquire a fair share of the bandwidth. However, the virtual-queue technique has a major drawback, it bccomes considerably difficult and impractical to manage a

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Akin, Ozdemir. "Active queue management and scheduling methods for packet-switched networks." 2004. http://www.lib.ncsu.edu/theses/available/etd-12122004-202307/unrestricted/etd.pdf.

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Chen, Fu-chi, and 陳福吉. "A Fuzzy Controller for Improving Queue Length Stability and Packet Delay of RED's Active Queue Management." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/85034543437552997092.

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碩士<br>國立成功大學<br>資訊管理研究所<br>95<br>As network technique blooming, our livings are facilitated with the networks, which make the internet become an important infrastructure to the global industry transaction. As a result the demands of network bandwidth are increasing because of several communication protocols, Voice over Internet Protocol (VoIP), Video conferencing, Video on Demand (VoD), require wideband transmission. Therefore, planning and control for the Quality of Service (QoS) has become a research area. One way to avoiding flow congestion is using Random Early Detection (RED). In RED, whe

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Wang, Lan, Geyong Min, and Irfan U. Awan. "Modeling and Analysis of Active Queue Management Schemes under Bursty Traffic." 2006. http://hdl.handle.net/10454/3734.

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No<br>Traffic congestion arising from the shared nature of uplink channels in wireless networks can cause serious problems for the provision of QoS to various services. One approach to overcome these problems is to implement some effective congestion control mechanisms at the downlink buffer at the mobile network link layer or at gateways on the behalf of wireless network access points. Active queue management (AQM) is an effective mechanism to support end-to-end traffic congestion control in modern high-speed networks. Initially developed for Internet routers, AQM is now being also considered

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Lin, Hsin-Chih, and 林信志. "A-PIE: An Adaptive Active Queue Management Algorithm for Communication Networks." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/hemg9x.

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碩士<br>國立交通大學<br>電機學院電信學程<br>106<br>Active queue management (AQM) could mitigate the buﬀerbloat problem and enhance the quality of experience for network applications. In comparison with other AQM algorithms, the Proportional Integral Controller Enhanced (PIE) algorithm has been shown to better manage the queuing delay without sacrificing channel efficiency. However, when deploying the PIE algorithm to a network equipment, key parameters such as Reference Queuing Delay have to be tuned before operation and cannot be modified afterwards. In this thesis, we address the ﬂaws of the PIE algorithm a

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Li, Chun-Wei. "System design and performance analysis of Transmission Control Protocol with Active Queue Management." 2004. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2307200415560700.

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Li, Chun-Wei, and 李君威. "System design and performance analysis of Transmission Control Protocol with Active Queue Management." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/65qp4q.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>92<br>System design and performance analysis of Transmission Control Protocol with Active Queue Management Student: Chun-Wei Li Advisor: Feng-Li Lian Department of Electrical Engineering National Taiwan University ABSTRACT In this thesis, we first introduce current networks architecture and briefly explain the functions of each network layer. We mainly focus on the transport layer of the ISO/OSI seven layers. We list some important TCP algorithms such as TCP-Reno and AQM algorithms such as the RED algorithm. We look into the nonlinear dynamic

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Xu, Kai. "TCP performance enhancement in wireless networks via adaptive congestion control and active queue management." Thesis, 2005. http://library1.njit.edu/etd/fromwebvoyage.cfm?id=njit-etd2005-088.

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Oruganti, Sai S. "Performance of robust active queue management schemes and window adaptation schemes in IP network." 2003. http://www.lib.ncsu.edu/theses/available/etd-12162003-173014/unrestricted/etd.pdf.

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Aung, Lily Kheng-Hwar. "A case study of active traffic management : safety analysis and operations improvements using a queue warning system." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-4192.

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Active traffic management is a hot topic for addressing issues of highway congestion. It is the use of intelligent transportation systems to provide real time traffic information on highway conditions. In Austin, the segment of Interstate 35 between Riverside Drive and State Highway 71 experiences both congestion and safety issues. This report provides an introduction into the application of active traffic management through the use of a proposed queue warning system in the area. First, select crash data on the region is highlighted to present the safety conditions, particularly the type o

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Chen, Jian. "Active queue management techniques to improve Quality of Service for real-time flows in third generation wireless networks." Thesis, 2002. http://hdl.handle.net/2429/12416.

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In this thesis, we analyze the behavior of real-time flows with hard time deadline using link layer retransmission to overcome wireless errors, and propose two new mechanisms to improve these flows' end-to-end Quality-of-Service (QoS) over a wireless network. Wireless channels have the characteristic that link quality varies according to propagation conditions. For real-time flows with hard time deadlines, link layer retransmissions over a wireless network, necessitated by fluctuations in link quality, may result in a high number of packets being dropped, as deadlines expire. The expired

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Bouacida, Nader. "Towards Controlling Latency in Wireless Networks." Thesis, 2017. http://hdl.handle.net/10754/623271.

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Wireless networks are undergoing an unprecedented revolution in the last decade. With the explosion of delay-sensitive applications in the Internet (i.e., online gaming and VoIP), latency becomes a major issue for the development of wireless technology. Taking advantage of the significant decline in memory prices, industrialists equip the network devices with larger buffering capacities to improve the network throughput by limiting packets drops. Over-buffering results in increasing the time that packets spend in the queues and, thus, introducing more latency in networks. This phenomenon is kn

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Asfand-E-Yar, Irfan U. Awan, and Mike E. Woodward. "Performance modelling of a multiple threshold RED mechanism for bursty and correlated Internet traffic with MMPP arrival process." 2006. http://hdl.handle.net/10454/479.

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Access to the large web content hosted all over the world by users of the Internet engage many hosts, routers/switches and faster links. They challenge the internet backbone to operate at its capacity to assure e±cient content access. This may result in congestion and raises concerns over various Quality of Service (QoS) issues like high delays, high packet loss and low throughput of the system for various Internet applications. Thus, there is a need to develop effective congestion control mechanisms in order to meet various Quality of Service (QoS) related performance parameters. In this

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