End To End Adaptive Congestion Control In Tcp Ip Networks
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| Author | : Christos N. Houmkozlis |
| Publisher | : CRC Press |
| Total Pages | : 332 |
| Release | : 2017-12-19 |
| Genre | : Computers |
| ISBN | : 143984058X |
Establishing adaptive control as an alternative framework to design and analyze Internet congestion controllers, End-to-End Adaptive Congestion Control in TCP/IP Networks employs a rigorously mathematical approach coupled with a lucid writing style to provide extensive background and introductory material on dynamic systems stability and neural network approximation; alongside future internet requests for congestion control architectures. Designed to operate under extreme heterogeneous, dynamic, and time-varying network conditions, the developed controllers must also handle network modeling structural uncertainties and uncontrolled traffic flows acting as external perturbations. The book also presents a parallel examination of specific adaptive congestion control, NNRC, using adaptive control and approximation theory, as well as extensions toward cooperation of NNRC with application QoS control. Features: Uses adaptive control techniques for congestion control in packet switching networks Employs a rigorously mathematical approach with lucid writing style Presents simulation experiments illustrating significant operational aspects of the method; including scalability, dynamic behavior, wireless networks, and fairness Applies to networked applications in the music industry, computers, image trading, and virtual groups by techniques such as peer-to-peer, file sharing, and internet telephony Contains working examples to highlight and clarify key attributes of the congestion control algorithms presented Drawing on the recent research efforts of the authors, the book offers numerous tables and figures to increase clarity and summarize the algorithms that implement various NNRC building blocks. Extensive simulations and comparison tests analyze its behavior and measure its performance through monitoring vital network quality metrics. Divided into three parts, the book offers a review of computer networks and congestion control, presents an adaptive congestion control framework as an alternative to optimization methods, and provides appendices related to dynamic systems through universal neural network approximators.
| Author | : Christos N. Houmkozlis |
| Publisher | : CRC Press |
| Total Pages | : 334 |
| Release | : 2017-12-19 |
| Genre | : Computers |
| ISBN | : 1351833502 |
Establishing adaptive control as an alternative framework to design and analyze Internet congestion controllers, End-to-End Adaptive Congestion Control in TCP/IP Networks employs a rigorously mathematical approach coupled with a lucid writing style to provide extensive background and introductory material on dynamic systems stability and neural network approximation; alongside future internet requests for congestion control architectures. Designed to operate under extreme heterogeneous, dynamic, and time-varying network conditions, the developed controllers must also handle network modeling structural uncertainties and uncontrolled traffic flows acting as external perturbations. The book also presents a parallel examination of specific adaptive congestion control, NNRC, using adaptive control and approximation theory, as well as extensions toward cooperation of NNRC with application QoS control. Features: Uses adaptive control techniques for congestion control in packet switching networks Employs a rigorously mathematical approach with lucid writing style Presents simulation experiments illustrating significant operational aspects of the method; including scalability, dynamic behavior, wireless networks, and fairness Applies to networked applications in the music industry, computers, image trading, and virtual groups by techniques such as peer-to-peer, file sharing, and internet telephony Contains working examples to highlight and clarify key attributes of the congestion control algorithms presented Drawing on the recent research efforts of the authors, the book offers numerous tables and figures to increase clarity and summarize the algorithms that implement various NNRC building blocks. Extensive simulations and comparison tests analyze its behavior and measure its performance through monitoring vital network quality metrics. Divided into three parts, the book offers a review of computer networks and congestion control, presents an adaptive congestion control framework as an alternative to optimization methods, and provides appendices related to dynamic systems through universal neural network approximators.
| Author | : Mohammed Ahmed Melegy Mohammed Afifi |
| Publisher | : |
| Total Pages | : 95 |
| Release | : 2014 |
| Genre | : Local area networks (Computer networks) |
| ISBN | : |
Abstract: Congestion Control in TCP is the algorithm that controls allocation of network resources for a number of competing users sharing a network. The nature of computer networks, which can be described from the TCP protocol perspective as unknown resources for unknown traffic of users, means that the functionality of the congestion control algorithm in TCP requires explicit feedback from the network on which it operates. Unfortunately this is not the way it works with TCP, as one of the fundamental principles of the TCP protocol is to be end-to-end, in order to be able to operate on any network, which can consist of hundreds of routers and hundreds of links with varying bandwidth and capacities. This fact requires the Congestion Control algorithm to be adaptive by nature, to adapt to the network environment under any given circumstances and to obtain the required feedback implicitly through observation and measurements. In this thesis we propose a new TCP end-to-end congestion control algorithm that provides performance improvements over existing TCP congestion control algorithms in computer networks in general, and an even greater improvement in wireless and/or high bandwidth- delay product networks.
| Author | : Jeng Lung |
| Publisher | : |
| Total Pages | : 150 |
| Release | : 2000 |
| Genre | : |
| ISBN | : |
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 236 |
| Release | : 2001-10-18 |
| Genre | : Computers |
| ISBN | : 0309075688 |
Advances in the miniaturization and networking of microprocessors promise a day when networked computers are embedded throughout the everyday world. However, our current understanding of what such systems would be like is insufficient to bring the promise to reality. Embedded, Everywhere explores the potential of networked systems of embedded computers and the research challenges arising from embedding computation and communications technology into a wide variety of applicationsâ€"from precision agriculture to automotive telematics to defense systems. It describes how these emerging networks operate under unique constraints not present in more traditional distributed systems, such as the Internet. It articulates how these networks will have to be dynamically adaptive and self-configuring, and how new models for approaching programming and computation are necessary. Issues relating to trustworthiness, security, safety, reliability, usability, and privacy are examined in light of the ubiquitous nature of these systems. A comprehensive, systems-oriented research agenda is presented, along with recommendations to major federal funding agencies.
| Author | : Michael Welzl |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 173 |
| Release | : 2012-12-06 |
| Genre | : Computers |
| ISBN | : 1461505194 |
This book answers a question which came about while the author was work ing on his diploma thesis [1]: would it be better to ask for the available band width instead of probing the network (like TCP does)? The diploma thesis was concerned with long-distance musical interaction ("NetMusic"). This is a very peculiar application: only a small amount of bandwidth may be necessary, but timely delivery and reduced loss are very important. Back then, these require ments led to a thorough investigation of existing telecommunication network mechanisms, but a satisfactory answer to the question could not be found. Simply put, the answer is "yes" - this work describes a mechanism which indeed enables an application to "ask for the available bandwidth". This obvi ously does not only concern online musical collaboration any longer. Among others, the mechanism yields the following advantages over existing alterna tives: • good throughput while maintaining close to zero loss and a small bottleneck queue length • usefulness for streaming media applications due to a very smooth rate • feasibility for satellite and wireless links • high scalability Additionally, a reusable framework for future applications that need to "ask the network" for certain performance data was developed.
| Author | : Syed Asad Hussain |
| Publisher | : CRC Press |
| Total Pages | : 350 |
| Release | : 2006-12-15 |
| Genre | : Computers |
| ISBN | : 1420013653 |
Most conventional networks are passive, with only basic traffic monitoring, management, routing, and congestion control. At best, they can be called reactive. Deploying new functions and integrating new standards into these architectures is difficult due to the rigid embedding of software and hardware into the network components. Active and Program
| Author | : Lianjie Cao |
| Publisher | : |
| Total Pages | : 136 |
| Release | : 2011 |
| Genre | : Computer algorithms |
| ISBN | : |
Traditional TCP/IP networks provide a best effort delivery service which places the complexity of congestion control in the end hosts, leaving the network relatively simple. It is well-known that the performance of the TCP congestion control scheme degrades severely under conditions of large bandwidth-delay products and/or high loss rates. As the traffic load on the Internet increases, overall network performance and the quality-of-service (QoS) experienced by individual users will degrade. To address this problem, a rate-based congestion control system operating as an overlay network is studied. The nodes in the overlay network provide congestion control for the overlay links, which correspond to physical network paths. By implementing congestion control as an overlay, network congestion can be alleviated without significantly increasing the complexity of the network. In this thesis, a bandwidth probe control (BPC) system is designed for an overlay link, which estimates the delay and loss characteristics of the overlay link by probing and then uses this information dynamically to determine an appropriate transmission rate for the link. A rate control algorithm is proposed for this purpose, based on a simplified fuzzy logic controller. In contrast, the legacy TCP/IP congestion control is based on an additive-increase, multiplicative-decrease (AIMD) control scheme triggered by packet loss timeouts. The proposed rate control scheme can achieve much higher utilization and more stable performance than TCP/IP congestion control, which is especially crucial for the rate-based congestion control overlay. The BPC system also provides reasonable fairness to cross-traffic which may traverse a portion of the overlay link, thus sharing the link capacity. The BPC system was originally developed as an overlay version of the Software Adaptive Flow-Intelligent RoutEr (SAFIRE) which was developed as part of the Control for High-throughput Adaptive Resilient Transport (CHART) project, led by Hewlett-Packard (HP) Laboratories and sponsored by the DARPA Internet Control Plane program.
| Author | : Ngoc Quang Nguyen |
| Publisher | : Nova Science Publishers |
| Total Pages | : 293 |
| Release | : 2021 |
| Genre | : Computers |
| ISBN | : 9781536192827 |
"Nowadays, network connectivity and the Internet have been an indispensable part of our daily lives via various services/applications supporting all of the industry areas ranged from trade and business, administration to entertainment, transportation, education, and healthcare. Typically, the concepts and introductions of terms, such as the Internet of Things (IoT), cloud or edge/fog computing, and content-oriented network services, have been investigated as emerging topics toward the realization of the Internet of Everything (IoX) in the future. Toward this end, developing an efficient congestion control mechanism is regarded as a key to an efficient and robust network design since the network availability and stability can directly affect the network performance, in terms of interoperability and robustness, especially in the case of an explosive increase in the network traffic volume. In particular, when a network link becomes corrupted or overload, congestion may occur due to packet drops. As a result, the overall network performance, including network throughput, latency, and response time will be degraded. The book is not intended to provide a comprehensive description of various congestion control techniques. Rather, with the assumptions that the readers have some general knowledge of networking fundamentals, the main goal of this book is to bring together distinguished perspectives of congestion control in different network platforms and technologies, ranged from TCP/IP, MPTCP (Multipath TCP) in heterogeneous networks, wireless networks to information-centric networks as future networks, and even supercomputing. The book then aims to give a new insight into this challenging and important topic of congestion control to overcome network performance degradation when congestion occurs from both theory/principles and practical viewpoints. Hence, we hope that this book provides a broader picture of the Congestion control concept in the context of communication networks toward efficient network design"--
| Author | : Rafe Alasem |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 188 |
| Release | : 2011-04 |
| Genre | : |
| ISBN | : 9783844319613 |
This research presents an investigation into designing active queue management (AQM) controllers in the bottleneck gateway router using control theory. The main goals of this design are to increase the speed of response, improve stability and robustness of congestion control system. In this study a new design scheme is presented by augmenting a Smith Predictor (SP) to the standard RED controller. The new controller is named as SPRED. Smith predictor structure is incorporated to compensate the time delay of the system. Using Smith predictor the new controller is tuned to remove the effect of time delay and thus the primary controller is tuned to give good performance for a plant without delay. Moreover, a novel scheme of adaptive Smith Predictor controller using Neural Network for active queue management (NNAQM) is also presented. The main purpose of this investigation is to explore an intelligent online tuning controller, which has a structure fusion of the proposed SPRED and Neural Networks. In addition, an adaptive neuro-fuzzy inference system (ANFIS) based AQM control scheme is also proposed to deal with nonlinear time delay systems.
