Self Similar Traffic
Mostrando 1-12 de 12 artigos, teses e dissertações.
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1. Contribuição para a análise de teletráfego com dependência de longa duração. / Contribution to the analysis of network traffic with long-range dependence.
The use of network trac models that hold self-similar and long-range dependence characteristics have shown to be a key element on the correct characterization of Local Area Network (LAN) and Wide Area Network (WAN) network trac [1, 2]. Such characterization is necessary to monitor and control the network trac in converged networks [3]. In this context, the a
Publicado em: 2009
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2. Ambiente para otimização de redes multimídia utilizando algoritmo genético
The objective of this work is to develop computational tools to create an environment that permits to search for optimal topologies to interconnect multimedia network nodes. The searching process uses links parameters, based on the amount of transported traffic and also reliability, cost and distance between nodes. The optimal topology is the one that fulfil
Publicado em: 2008
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3. Análise e modelagem de tráfego de vídeo hierárquica
This document has the main goal to introduce a hierarchical video traffic modelling. The modelling results had been analyzed in comparison to the random and self-similar processes. Statistical information data had been collected from video trace files analyses. The statistical analyses introduce information related to random process and self-similar processe
Publicado em: 2005
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4. A multifractal traffic model with application in network traffic prediction proposal and evaluation / Um modelo multifractal aplicado a predição de trafego de redes-proposta e avaliação
Dynamic traffic control mechanisms can improve network resource utilization. The fractal traffic correlation structure can be exploited for designing dynamic network control mechanisms. Playing the most important role in the dynamic control mechanisms, traffic predictors can be accomplished from statistic traffic models able to describe the network traffic b
Publicado em: 2005
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5. Nonparametric change point detection algorithms and applications in data networks.
Nonparametric change point detection algorithms have been applied in intrusion detection problems and network management. Specifically, applications considering denial of service detection and traffic control are focused in this work. The algorithms studied are inspired by the CUSUM (Cumulative Sum) and SP (Shiryaev-Pollak) parametric procedures. New nonpara
Publicado em: 2004
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6. Modeling and computing of equivalent bandwidth of multifractal flows / Modelagem e computação de banda passante equivalente de fluxos multifractais
Scaling in network traffic can be identified as the absence of a typical time scale at which traffic burstiness can be characterized. Internet Protocol (IP) traffic presents both scaling and long-range dependence. Moreover, at small time scales, IP traffic shows non-uniform scaling and high variability. Moreover, the marginal distribution of counting process
Publicado em: 2004
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7. ProCon - PrognÃstico de congestionamento de trÃfego de redes usando wavelets
LAN and WAN networks have showed a traffic behavior different from the commonly assumed in the traffic stochastic modelling. This new pattern of observed behavior motivates the use of self-similar stochastic processes for traffic modelling purposes. The behavior of the current networks traffic is chaotic, possessing statistical properties which include compl
Publicado em: 2004
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8. Self-similar LAN/WAN traffic issues on high-speed QoS networks.
During the last decade, the enormous commercial explosion of the Internet has brought up the exhaustive use of Public Telephone Switched Network (PTSN) communication lines by computers (end-users) from all over the world. As a direct consequence of this explosion, a brand new research field, inside the context of the so-called Queuing Theory, has emerged. In
Publicado em: 2004
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9. Ambiente de simulação de redes a eventos discretos
This work presents Hydragyrum, a tool for the simulation, design and teaching of communication systems. Hydragyrum is an application that allows the development of new communication system element models. Hydragyrum has a modular structure composed of processing nucleus (Kernel), models and interfaces that allow easy model set extension. The communication sy
Publicado em: 2001
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10. Estudo de caracterização de trafego e alocação de banda para redes ATM
The increase of economic competition in the world has demanded companies rationalize and optimize the use of their resources. Jointly with this fact, the development of new computational and telecommunication facilities in the recent years have promoted some unprecedented evolution of application and increasing necessity of communication services. Both facts
Publicado em: 1999
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11. Scaling phenomena in the Internet: Critically examining criticality
Recent Internet measurements have found pervasive evidence of some surprising scaling properties. The two we focus on in this paper are self-similar scaling in the burst patterns of Internet traffic and, in some contexts, scale-free structure in the network's interconnection topology. These findings have led to a number of proposed models or “explanations�
National Academy of Sciences.
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12. Entropy of dialogues creates coherent structures in e-mail traffic
We study the dynamic network of e-mail traffic and find that it develops self-organized coherent structures similar to those appearing in many nonlinear dynamic systems. Such structures are uncovered by a general information theoretic approach to dynamic networks based on the analysis of synchronization among trios of users. In the e-mail network, coherent s
National Academy of Sciences.