The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
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The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
As redes de sobreposição que são criadas dinamicamente sobre redes IP subjacentes estão a tornar-se amplamente utilizadas para fornecer conteúdos multimédia, uma vez que podem fornecer vários serviços adicionais definidos pelo utilizador. Vários caminhos de sobreposição entre um par de nós de sobreposição origem-destino são projetados para melhorar a robustez do serviço contra falhas e flutuações de largura de banda das redes subjacentes. O tráfego multimídia pode ser distribuído por esses múltiplos caminhos para maximizar a utilização dos caminhos e aumentar o rendimento do aplicativo. A maioria dos algoritmos de roteamento baseados em fluxo considera apenas métricas comuns, como largura de banda ou atraso dos caminhos, que podem ser eficazes para aplicações de dados, mas não para aplicações em tempo real, como Voz sobre IP (VoIP), nas quais diferentes níveis de tais métricas de desempenho pode fornecer o mesmo nível de desempenho experimentado pelos usuários finais. Este artigo se concentra nessas redes de sobreposição de VoIP e propõe um novo algoritmo de roteamento de fluxo baseado em caminho alternativo usando uma métrica de tráfego específica da aplicação, ou seja, "Capacidade de caminho de VoIP (VPCap)", para calcular o número máximo de fluxos VoIP satisfeitos com QoS que podem ser distribuídos sobre cada caminho de sobreposição disponível em um momento. Os resultados da simulação provaram que mais sessões VoIP satisfeitas com QoS podem ser estabelecidas nos mesmos caminhos de sobreposição múltiplos, em comparação com abordagens tradicionais.
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Komwut WIPUSITWARAKUN, Sanon CHIMMANEE, "Application Oriented Flow Routing Algorithm for VoIP Overlay Networks" in IEICE TRANSACTIONS on Communications,
vol. E92-B, no. 6, pp. 2054-2064, June 2009, doi: 10.1587/transcom.E92.B.2054.
Abstract: Overlay networks which are dynamically created over underlying IP networks are becoming widely used for delivering multimedia contents since they can provide several additional user-definable services. Multiple overlay paths between a source-destination overlay node pair are designed to improve service robustness against failures and bandwidth fluctuation of the underlying networks. Multimedia traffic can be distributed over those multiple paths in order to maximize paths' utilization and to increase application throughputs. Most of flow-based routing algorithms consider only common metrics such as paths' bandwidth or delay, which may be effective for data applications but not for real-time applications such as Voice over IP (VoIP), in which different levels of such performance metrics may give the same level of the performance experienced by end users. This paper focuses on such VoIP overlay networks and proposes a novel alternative path based flow routing algorithm using an application-specific traffic metric, i.e. "VoIP Path Capacity (VPCap)," to calculate the maximum number of QoS satisfied VoIP flows which may be distributed over each available overlay path at a moment. The simulation results proved that more QoS-satisfied VoIP sessions can be established over the same multiple overlay paths, comparing to traditional approaches.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E92.B.2054/_p
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@ARTICLE{e92-b_6_2054,
author={Komwut WIPUSITWARAKUN, Sanon CHIMMANEE, },
journal={IEICE TRANSACTIONS on Communications},
title={Application Oriented Flow Routing Algorithm for VoIP Overlay Networks},
year={2009},
volume={E92-B},
number={6},
pages={2054-2064},
abstract={Overlay networks which are dynamically created over underlying IP networks are becoming widely used for delivering multimedia contents since they can provide several additional user-definable services. Multiple overlay paths between a source-destination overlay node pair are designed to improve service robustness against failures and bandwidth fluctuation of the underlying networks. Multimedia traffic can be distributed over those multiple paths in order to maximize paths' utilization and to increase application throughputs. Most of flow-based routing algorithms consider only common metrics such as paths' bandwidth or delay, which may be effective for data applications but not for real-time applications such as Voice over IP (VoIP), in which different levels of such performance metrics may give the same level of the performance experienced by end users. This paper focuses on such VoIP overlay networks and proposes a novel alternative path based flow routing algorithm using an application-specific traffic metric, i.e. "VoIP Path Capacity (VPCap)," to calculate the maximum number of QoS satisfied VoIP flows which may be distributed over each available overlay path at a moment. The simulation results proved that more QoS-satisfied VoIP sessions can be established over the same multiple overlay paths, comparing to traditional approaches.},
keywords={},
doi={10.1587/transcom.E92.B.2054},
ISSN={1745-1345},
month={June},}
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TY - JOUR
TI - Application Oriented Flow Routing Algorithm for VoIP Overlay Networks
T2 - IEICE TRANSACTIONS on Communications
SP - 2054
EP - 2064
AU - Komwut WIPUSITWARAKUN
AU - Sanon CHIMMANEE
PY - 2009
DO - 10.1587/transcom.E92.B.2054
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E92-B
IS - 6
JA - IEICE TRANSACTIONS on Communications
Y1 - June 2009
AB - Overlay networks which are dynamically created over underlying IP networks are becoming widely used for delivering multimedia contents since they can provide several additional user-definable services. Multiple overlay paths between a source-destination overlay node pair are designed to improve service robustness against failures and bandwidth fluctuation of the underlying networks. Multimedia traffic can be distributed over those multiple paths in order to maximize paths' utilization and to increase application throughputs. Most of flow-based routing algorithms consider only common metrics such as paths' bandwidth or delay, which may be effective for data applications but not for real-time applications such as Voice over IP (VoIP), in which different levels of such performance metrics may give the same level of the performance experienced by end users. This paper focuses on such VoIP overlay networks and proposes a novel alternative path based flow routing algorithm using an application-specific traffic metric, i.e. "VoIP Path Capacity (VPCap)," to calculate the maximum number of QoS satisfied VoIP flows which may be distributed over each available overlay path at a moment. The simulation results proved that more QoS-satisfied VoIP sessions can be established over the same multiple overlay paths, comparing to traditional approaches.
ER -