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Mechanisms For Generating Realistic Annotated Internet Topologies
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Book Synopsis Mechanisms for Generating Realistic Annotated Internet Topologies by : Priya Mahadevan
Download or read book Mechanisms for Generating Realistic Annotated Internet Topologies written by Priya Mahadevan and published by . This book was released on 2007 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: Researchers involved in designing network services and protocols rely on results from simulation and emulation environments to evaluate correctness, performance and scalability. To better understand the behavior of these applications and to predict their performance when deployed across the Internet, the generated topologies that serve as input to simulated and emulated environments must closely match real network topologies with respect to a wide range of graph metrics proposed in the literature. Values for a particular graph metric may capture a graph's resilience to failure or its routing efficiency. Unfortunately, there are typically no known algorithms to generate graphs matching one or more proposed metrics and there is little understanding of the relationships among individual metrics or their applicability to different settings. Furthermore, the generated topologies must also be annotated with observed network characteristics that, for instance, include latencies for the edges in a router-level graph, and AS membership for the nodes in the graph. Finally, it should be possible to rescale a given topology to a variety of sizes while still maintaining its essential characteristics. We present a new, systematic approach for analyzing and synthesizing network topologies. We first introduce a unifying series of properties, the dK-series of probability distributions, specifying all degree correlations within d-sized subgraphs of a given graph G. Increasing values of d capture progressively more properties of G and, in the limit, describes the graph in its entirety. Using the dK-series, we construct random graphs and demonstrate that these graphs reproduce, with increasing accuracy, all important metrics of measured and modeled Internet topologies. The nature of the dK-series implies that it will also capture any future metric that may be proposed. Further, we scale the generated graphs to a wide range of sizes while still preserving the graph's structure. Finally, we propose techniques to annotate these topologies and specifically describe our scheme to annotate Internet router graphs with AS-membership as well as whether a router is peering or internal.
Book Synopsis Modeling the Internet from an Economic Perspective by : Chong Wang
Download or read book Modeling the Internet from an Economic Perspective written by Chong Wang and published by . This book was released on 2013 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Modeling the Internet, especially with the emergence of new usage trends, is a challenging problem for the network research community. Recently, user interactions involving content such as sharing, distributing and retrieving images, music, and videos have come to dominate today's Internet usage. In a sense the Internet usage is content-oriented. Consequently, there have been many ongoing efforts to reconsider and redesign various aspects of the Internet to better support this trend. This calls for more practical and comprehensive approaches to understand the Internet, which is a central problem especially in the areas of protocol evaluation, network design and overall performance.In this dissertation, we focus on network optimization problems related to the Internet centered on such content-dominated usage trend. Using the terminology of today's Internet, we model Internet Service Providers (ISPs), which provide network and content services to their customers, and which operate one or more autonomous systems (ASes) that collectively constitute the global Internet. We identify three key problem domains in this space: from the perspective of underlying infrastructure, how a single ISP forms and optimizes its own network topology; how ASes enter into and optimize peering agreements with one another; and from the perspective of support for content-dominated usage, how multiple ISPs collectively facilitate content distribution by strategically placing content motivated by proposed incentive mechanisms. We argue that, compared to more traditional, purely graph-theoretic approaches, modeling focus on economic motivation better underlies and informs each of these problem domains.This dissertation includes our modeling efforts on the following specific problems: (1) A generative model for ISP topologies that explicitly considers economic and technological constraints; (2) A contract-based model for AS-AS topological peering which captures the different business relationships among ASes; and (3) a model for the cost-benefit analysis of content distribution in a global content-oriented network architecture under various incentive mechanisms. Our proposed methods draw primarily from graph-based combinatorial optimization, but also draw on work in cooperative and non-cooperative game theory. We demonstrate that our methods for the first two problems generate more realistic network topologies than traditional approaches, with more explanatory power. For the third problem, we show by analysis and simulation, that a Shapley value-based incentive mechanism for collaborative content placement becomes increasingly compelling as current trends toward larger and richer content continue.
Book Synopsis Study of Proposed Internet Congestion Control Mechanisms by : Kevin L. Mills
Download or read book Study of Proposed Internet Congestion Control Mechanisms written by Kevin L. Mills and published by DIANE Publishing. This book was released on 2011 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a print on demand edition of a hard to find publication. Society is becoming increasingly reliant on large networked information systems for commerce, communication, education, entertainment and government. Currently, however, system designers lack techniques to predict global behaviors that may arise in the Internet as a result of interactions among existing and altered software components. Hardware faults and unexpected usage patterns may also occur within the Internet. This study aims to improve existing knowledge about a range of methods and tools that could be applied to understand and predict behavior in complex information systems. Charts and tables.
Download or read book Complex Sciences written by Jie Zhou and published by Springer Science & Business Media. This book was released on 2009-06-29 with total page 1267 pages. Available in PDF, EPUB and Kindle. Book excerpt: I was invited to join the Organizing Committee of the First International Conference on Complex Sciences: Theory and Applications (Complex 2009) as its ninth member. At that moment, eight distinguished colleagues, General Co-chairs Eugene Stanley and Gaoxi Xiao, Technical Co-chairs J·nos Kertész and Bing-Hong Wang, Local Co-chairs Hengshan Wang and Hong-An Che, Publicity Team Shi Xiao and Yubo Wang, had spent hundreds of hours pushing the conference half way to its birth. Ever since then, I have been amazed to see hundreds of papers flooding in, reviewed and commented on by the TPC members. Finally, more than 200 contributions were - lected for the proceedings currently in your hands. They include about 200 papers from the main conference (selected from more than 320 submissions) and about 33 papers from the five collated workshops: Complexity Theory of Art and Music (COART) Causality in Complex Systems (ComplexCCS) Complex Engineering Networks (ComplexEN) Modeling and Analysis of Human Dynamics (MANDYN) Social Physics and its Applications (SPA) Complex sciences are expanding their colonies at such a dazzling speed that it - comes literally impossible for any conference to cover all the frontiers.
Book Synopsis Online Social Media Analysis and Visualization by : Jalal Kawash
Download or read book Online Social Media Analysis and Visualization written by Jalal Kawash and published by Springer. This book was released on 2015-01-14 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited volume addresses the vast challenges of adapting Online Social Media (OSM) to developing research methods and applications. The topics cover generating realistic social network topologies, awareness of user activities, topic and trend generation, estimation of user attributes from their social content, behavior detection, mining social content for common trends, identifying and ranking social content sources, building friend-comprehension tools, and many others. Each of the ten chapters tackle one or more of these issues by proposing new analysis methods or new visualization techniques, or both, for famous OSM applications such as Twitter and Facebook. This collection of contributed chapters address these challenges. Online Social Media has become part of the daily lives of hundreds of millions of users generating an immense amount of 'social content'. Addressing the challenges that stem from this wide adaptation of OSM is what makes this book a valuable contribution to the field of social networks.
Book Synopsis Modeling, Analysis and Optimization of Network-on-Chip Communication Architectures by : Umit Y. Ogras
Download or read book Modeling, Analysis and Optimization of Network-on-Chip Communication Architectures written by Umit Y. Ogras and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traditionally, design space exploration for Systems-on-Chip (SoCs) has focused on the computational aspects of the problem at hand. However, as the number of components on a single chip and their performance continue to increase, the communication architecture plays a major role in the area, performance and energy consumption of the overall system. As a result, a shift from computation-based to communication-based design becomes mandatory. Towards this end, network-on-chip (NoC) communication architectures have emerged recently as a promising alternative to classical bus and point-to-point communication architectures. In this dissertation, we study outstanding research problems related to modeling, analysis and optimization of NoC communication architectures. More precisely, we present novel design methodologies, software tools and FPGA prototypes to aid the design of application-specific NoCs.
Book Synopsis Quantitative analysis of neuroanatomy by : Julian M L Budd
Download or read book Quantitative analysis of neuroanatomy written by Julian M L Budd and published by Frontiers Media SA. This book was released on 2016-03-22 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The true revolution in the age of digital neuroanatomy is the ability to extensively quantify anatomical structures and thus investigate structure-function relationships in great detail. Large-scale projects were recently launched with the aim of providing infrastructure for brain simulations. These projects will increase the need for a precise understanding of brain structure, e.g., through statistical analysis and models. From articles in this Research Topic, we identify three main themes that clearly illustrate how new quantitative approaches are helping advance our understanding of neural structure and function. First, new approaches to reconstruct neurons and circuits from empirical data are aiding neuroanatomical mapping. Second, methods are introduced to improve understanding of the underlying principles of organization. Third, by combining existing knowledge from lower levels of organization, models can be used to make testable predictions about a higher-level organization where knowledge is absent or poor. This latter approach is useful for examining statistical properties of specific network connectivity when current experimental methods have not yet been able to fully reconstruct whole circuits of more than a few hundred neurons.
Book Synopsis Encyclopedia of Internet Technologies and Applications by : Freire, Mario
Download or read book Encyclopedia of Internet Technologies and Applications written by Freire, Mario and published by IGI Global. This book was released on 2007-10-31 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the most thorough examination of Internet technologies and applications for researchers in a variety of related fields. For the average Internet consumer, as well as for experts in the field of networking and Internet technologies.
Book Synopsis Computer Networks by : Andrzej Kwiecien
Download or read book Computer Networks written by Andrzej Kwiecien and published by Springer. This book was released on 2014-05-23 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed proceedings of the 21st International Conference on Computer Networks, CN 2014, held in Brunów, Poland, in June 2014. The 34 revised full papers presented were carefully reviewed and selected for inclusion in the book. The papers in these proceedings cover the following topics: computer networks, tele informatics and communications, new technologies, queueing theory, innovative applications and networked and IT-related aspects of e-business.
Book Synopsis Statistical and Evolutionary Analysis of Biological Networks by : Michael P. H. Stumpf
Download or read book Statistical and Evolutionary Analysis of Biological Networks written by Michael P. H. Stumpf and published by World Scientific. This book was released on 2010 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networks provide a very useful way to describe a wide range of different data types in biology, physics and elsewhere. Apart from providing a convenient tool to visualize highly dependent data, networks allow stringent mathematical and statistical analysis. In recent years, much progress has been achieved to interpret various types of biological network data such as transcriptomic, metabolomic and protein interaction data as well as epidemiological data. Of particular interest is to understand the organization, complexity and dynamics of biological networks and how these are influenced by network evolution and functionality. This book reviews and explores statistical, mathematical and evolutionary theory and tools in the understanding of biological networks. The book is divided into comprehensive and self-contained chapters, each of which focuses on an important biological network type, explains concepts and theory and illustrates how these can be used to obtain insight into biologically relevant processes and questions. There are chapters covering metabolic, transcriptomic, protein interaction and epidemiological networks as well as chapters that deal with theoretical and conceptual material. The authors, who contribute to the book, are active, highly regarded and well-known in the network community. Sample Chapter(s). Chapter 1: A Network Analysis Primer (350 KB). Contents: A Network Analysis Primer (M P H Stumpf & C Wiuf); Evolutionary Analysis of Protein Interaction Networks (C Wiuf & O Ratmann); Motifs in Biological Networks (F Schreiber & H SchwAbbermeyer); Bayesian Analysis of Biological Networks: Clusters, Motifs, Cross-Species Correlations (J Berg & M Lnssig); Network Concepts and Epidemiological Models (R R Kao & I Z Kiss); Evolutionary Origin and Consequences of Design Properties of Metabolic Networks (T Pfeiffer & S Bonhoeffer); Protein Interactions from an Evolutionary Perspective (F Pazos & A Valencia); Statistical Null Models for Biological Network Analysis (W P Kelly et al.). Readership: Academics, researchers, postgraduates and advanced undergraduates in bioinformatics. Biologists, mathematicians/statisticians, physicists and computer scientists.
Book Synopsis Statistical Analysis of Network Data by : Eric D. Kolaczyk
Download or read book Statistical Analysis of Network Data written by Eric D. Kolaczyk and published by Springer Science & Business Media. This book was released on 2009-04-20 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there has been an explosion of network data – that is, measu- ments that are either of or from a system conceptualized as a network – from se- ingly all corners of science. The combination of an increasingly pervasive interest in scienti c analysis at a systems level and the ever-growing capabilities for hi- throughput data collection in various elds has fueled this trend. Researchers from biology and bioinformatics to physics, from computer science to the information sciences, and from economics to sociology are more and more engaged in the c- lection and statistical analysis of data from a network-centric perspective. Accordingly, the contributions to statistical methods and modeling in this area have come from a similarly broad spectrum of areas, often independently of each other. Many books already have been written addressing network data and network problems in speci c individual disciplines. However, there is at present no single book that provides a modern treatment of a core body of knowledge for statistical analysis of network data that cuts across the various disciplines and is organized rather according to a statistical taxonomy of tasks and techniques. This book seeks to ll that gap and, as such, it aims to contribute to a growing trend in recent years to facilitate the exchange of knowledge across the pre-existing boundaries between those disciplines that play a role in what is coming to be called ‘network science.
Book Synopsis Fundamentals of Brain Network Analysis by : Alex Fornito
Download or read book Fundamentals of Brain Network Analysis written by Alex Fornito and published by Academic Press. This book was released on 2016-03-04 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Brain Network Analysis is a comprehensive and accessible introduction to methods for unraveling the extraordinary complexity of neuronal connectivity. From the perspective of graph theory and network science, this book introduces, motivates and explains techniques for modeling brain networks as graphs of nodes connected by edges, and covers a diverse array of measures for quantifying their topological and spatial organization. It builds intuition for key concepts and methods by illustrating how they can be practically applied in diverse areas of neuroscience, ranging from the analysis of synaptic networks in the nematode worm to the characterization of large-scale human brain networks constructed with magnetic resonance imaging. This text is ideally suited to neuroscientists wanting to develop expertise in the rapidly developing field of neural connectomics, and to physical and computational scientists wanting to understand how these quantitative methods can be used to understand brain organization. Winner of the 2017 PROSE Award in Biomedicine & Neuroscience and the 2017 British Medical Association (BMA) Award in Neurology Extensively illustrated throughout by graphical representations of key mathematical concepts and their practical applications to analyses of nervous systems Comprehensively covers graph theoretical analyses of structural and functional brain networks, from microscopic to macroscopic scales, using examples based on a wide variety of experimental methods in neuroscience Designed to inform and empower scientists at all levels of experience, and from any specialist background, wanting to use modern methods of network science to understand the organization of the brain
Book Synopsis Complex Dynamics in Communication Networks by : Ljupco Kocarev
Download or read book Complex Dynamics in Communication Networks written by Ljupco Kocarev and published by Springer Science & Business Media. This book was released on 2005-06-13 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer and communication networks are among society's most important infrastructures. The internet, in particular, is a giant global network of networks without central control or administration. It is a paradigm of a complex system, where complexity may arise from different sources: topological structure, network evolution, connection and node diversity, or dynamical evolution. The present volume is the first book entirely devoted to the new and emerging field of nonlinear dynamics of TCP/IP networks. It addresses both scientists and engineers working in the general field of communication networks.
Book Synopsis Networks: A Very Short Introduction by : Guido Caldarelli
Download or read book Networks: A Very Short Introduction written by Guido Caldarelli and published by OUP Oxford. This book was released on 2012-10-25 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: From ecosystems to Facebook, from the Internet to the global financial market, some of the most important and familiar natural systems and social phenomena are based on a networked structure. It is impossible to understand the spread of an epidemic, a computer virus, large-scale blackouts, or massive extinctions without taking into account the network structure that underlies all these phenomena. In this Very Short Introduction, Guido Caldarelli and Michele Catanzaro discuss the nature and variety of networks, using everyday examples from society, technology, nature, and history to explain and understand the science of network theory. They show the ubiquitous role of networks; how networks self-organize; why the rich get richer; and how networks can spontaneously collapse. They conclude by highlighting how the findings of complex network theory have very wide and important applications in genetics, ecology, communications, economics, and sociology. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
Book Synopsis Advances in Network Analysis and its Applications by : Evangelos Kranakis
Download or read book Advances in Network Analysis and its Applications written by Evangelos Kranakis and published by Springer Science & Business Media. This book was released on 2012-10-24 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: As well as highlighting potentially useful applications for network analysis, this volume identifies new targets for mathematical research that promise to provide insights into network systems theory as well as facilitating the cross-fertilization of ideas between sectors. Focusing on financial, security and social aspects of networking, the volume adds to the growing body of evidence showing that network analysis has applications to transportation, communication, health, finance, and social policy more broadly. It provides powerful models for understanding the behavior of complex systems that, in turn, will impact numerous cutting-edge sectors in science and engineering, such as wireless communication, network security, distributed computing and social networking, financial analysis, and cyber warfare. The volume offers an insider’s view of cutting-edge research in network systems, including methodologies with immense potential for interdisciplinary application. The contributors have all presented material at a series of workshops organized on behalf of Canada’s MITACS initiative, which funds projects and study grants in ‘mathematics for information technology and complex systems’. These proceedings include papers from workshops on financial networks, network security and cryptography, and social networks. MITACS has shown that the partly ghettoized nature of network systems research has led to duplicated work in discrete fields, and thus this initiative has the potential to save time and accelerate the pace of research in a number of areas of network systems research.
Book Synopsis Social Network Mining, Analysis, and Research Trends: Techniques and Applications by : Ting, I-Hsien
Download or read book Social Network Mining, Analysis, and Research Trends: Techniques and Applications written by Ting, I-Hsien and published by IGI Global. This book was released on 2011-12-31 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book covers current research trends in the area of social networks analysis and mining, sharing research from experts in the social network analysis and mining communities, as well as practitioners from social science, business, and computer science"--Provided by publisher.
Book Synopsis Advances in Italian Mechanism Science by : Vincenzo Niola
Download or read book Advances in Italian Mechanism Science written by Vincenzo Niola and published by Springer Nature. This book was released on 2022-08-05 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 4th International Conference of IFToMM ITALY (IFIT), held in Naples, Italy on September 7-9, 2022. It includes peer-reviewed papers on the latest advances in mechanism and machine science, discussing topics such as biomechanical engineering, computational kinematics, the history of mechanism and machine science, gearing and transmissions, multi-body dynamics, robotics and mechatronics, the dynamics of machinery, tribology, vibrations, rotor dynamics and vehicle dynamics. A valuable, up-to-date resource, it offers an essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.
