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  • A pricing method for elastic services that guarantees the GoS in a scenario of evolutionary demand

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Computer communications
    Date of publication: 2013-07-01
    Journal article

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    Service Providers (SPs), which offer services based on elastic reservations with a guaranteed Grade of Service (GoS), should be interested in knowing how to price these services, i.e. service-i-, how to calculate the associated benefits to this service or, how to know the time until which the price for service-i-could be maintained, when an evolutionary function of the aggregate demand considered is involved and the established GoS for the elastic service is guaranteed. Thus this paper proposes a method that price elastic services (or elastic reservations) with guaranteed GoS in a scenario of evolutionary function of the aggregate demand. The method obtains: first at all, the average rate of the accepted elastic reservations of class-i with guaranteed GoS. Second, according to the accepted reservations, calculates the price that maximizes the selected revenue function. The considered aggregate demand function depends not only on a demand modulation factor, the mean reserved bandwidth, Bres,i, but on the evolution of this aggregate demand function, according to a Bass diffusion model. Third, in a scenario where not plenty access bandwidth Bi is available, evaluates the optimum value of the elasticity of the reservations that maximizes the revenue function for the obtained price. Finally, it is forecasted the time until the SP does not need to change the price or elasticity calculated when the demand increases and the GoS is guaranteed. The paper applies the method to a class-i- of elastic reservations, analyzes the influence of each one of the parameters and could be extended to multiple classes of independent and guaranteed elastic services.

    Service Providers (SPs), which offer services based on elastic reservations with a guaranteed Grade of Service (GoS), should be interested in knowing how to price these services, i.e. service-i-, how to calculate the associated benefits to this service or, how to know the time until which the price for service-i-could be maintained, when an evolutionary function of the aggregate demand considered is involved and the established GoS for the elastic service is guaranteed. Thus this paper proposes a method that price elastic services (or elastic reservations) with guaranteed GoS in a scenario of evolutionary function of the aggregate demand. The method obtains: first at all, the average rate of the accepted elastic reservations of class-i with guaranteed GoS. Second, according to the accepted reservations, calculates the price that maximizes the selected revenue function. The considered aggregate demand function depends not only on a demand modulation factor, the mean reserved bandwidth, Bres,i, but on the evolution of this aggregate demand function, according to a Bass diffusion model. Third, in a scenario where not plenty access bandwidth Bi is available, evaluates the optimum value of the elasticity of the reservations that maximizes the revenue function for the obtained price. Finally, it is forecasted the time until the SP does not need to change the price or elasticity calculated when the demand increases and the GoS is guaranteed. The paper applies the method to a class-i- of elastic reservations, analyzes the influence of each one of the parameters and could be extended to multiple classes of independent and guaranteed elastic services.

  • Access to the full text
    Analysis of a pricing method for elastic services with guaranteed GoS  Open access

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Journal of Service Science and Management
    Date of publication: 2012-12
    Journal article

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    Service Providers (SPs), which offer services based on elastic reservations with a guaranteed Grade of Service (GoS), should know how to price these services and how to quantify the benefits in different scenarios. This paper analyzes a method for evaluating the price of a service based on elastic reservations with a guaranteed Grade of Service. The method works as follows: First, the SP determines the requirements of the service that wants to offer; Second, the SP evaluates the average rate of the accepted elastic reservations of the service with a guaranteed GoS; Third, the SP calculates the price that guarantees the GoS with an aggregate demand function that depends on a demand modulation factor of the elastic reservations that is the mean reserved bandwidth, Bres; and Finally, the SP obtains the optimum value of the elasticity of the reservations that gives the maximum revenue, and the required access bandwidth in this case. The paper not only applies the method to a class i of elastic reservations when a linear-based demand and a revenue function are selected, but it also analyzes the influence of each one of the considered parameters. This method could be extended to the case of multiple classes of independent and guaranteed elastic services, applying the method to each service with its estimated demand and revenue functions.

  • Management of the Future Internet

     Melus Moreno, Jose Luis; Serrat Fernandez, Juan; Gorricho Moreno, Juan Luis; Postigo Boix, Marcos; Valle Alarcon, Rafael
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  • A Proposal for Pricing Substitute Guaranteed Services

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    IEEE communications letters
    Date of publication: 2011-01-13
    Journal article

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    This letter proposes a novel and open method for pricing substitute elastic services in a streaming content delivery scenario when their Grade of Service (GoS) is guaranteed. The method forces each Service Provider (SP) to calculate the rate for each substitute service that guarantees the GoS. The price of each service is obtained according to the maximization of a chosen revenue function and the estimation of its demand function. This letter illustrates the method calculating the price of two substitute services with a selected exponential demand function, where the assignation of the prices depend on the maximization of a selected revenue function.

  • End-to-end Virtual Resource Management across Heterogeneous Networks and Services

     Gorricho Moreno, Juan Luis; Postigo Boix, Marcos; Melus Moreno, Jose Luis; Serrat Fernandez, Juan; Valle Alarcon, Rafael
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  • GESTION DE SERVICIOS DE NUEVA GENERACION EN INTERNET

     Sanvicente Gargallo, Emilio; Astorga Rivera, Jose Antonio; Melus Moreno, Jose Luis; Bagnasco Aguirre, Ricardo Javier; Postigo Boix, Marcos; Gorricho Moreno, Juan Luis; Serrat Fernandez, Juan
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    Evaluación de prestaciones de RSVP extendido para un escenario con garantías de distribución  Open access

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Jornadas de Ingeniería Telemática1
    Presentation's date: 2009-09-17
    Presentation of work at congresses

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    In some guaranteed data delivery scenarios, servers can quickly and carefully allocate the available bandwidth among the requests of the users to reduce rejections. This is particularly important when reservations are higher than minimum required delivery rate (semi-elastic reservations). As an example, when semi-elastic reservations utilize all the available server bandwidth and a new flow reservation arrives, it is useful to reallocate current reservations to accept the new one. The RSVP protocol is receiver oriented and it is in charge of setting up these reservations. However, in some cases, to reallocate bandwidth in a receiver riented way could delay the required sender reservation adjustments. This paper presents a new extension of the RSVP signaling messages that allows the server to adjust and modify these reservations. The performance evaluation of the extended and the native RSVP signaling protocols when used to manage the access bandwidth of a semi elastic flows server shows the benefits of the extensions. In particular, the use of resource reservation is reduced because of a more efficient bandwidth usage. In addition, the blocking probability is also reduced because of a more flexible bandwidth reallocation situation. The authors believe that this procedure is an intermediate step to improve the lack of flexibility that RSVP presents.

  • GESTIÓ, POLÍTIQUES DE PREUS I SERVEIS EN XARXES DE NOVA GENERACIÓ (MAPS)

     Bagnasco Aguirre, Ricardo Javier; Astorga Rivera, Jose Antonio; Valle Alarcon, Rafael; Gorricho Moreno, Juan Luis; Postigo Boix, Marcos; Sanvicente Gargallo, Emilio; Melus Moreno, Jose Luis; Serrat Fernandez, Juan
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  • The 6 The International Conference on Autonomic Computing and Communications

     Postigo Boix, Marcos; Serrat Fernandez, Juan
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  • Influence of the grade of service in the evaluation of the mean reserved bandwidth for elastic services

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    IEEE communications letters
    Date of publication: 2008-02
    Journal article

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  • Utilization-based prices for elastic services

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Computer communications
    Date of publication: 2008-09
    Journal article

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  • Autonomic Internet (Autol)

     Serrat Fernandez, Juan; Postigo Boix, Marcos
    Participation in a competitive project

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  • Performance Evaluation of RSVP Extensions for a Guaranteed Delivery Scenario

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Computer communications
    Date of publication: 2007-06
    Journal article

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  • Precio por Congestión para Servicios Less-Than-Best-Effort

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Jornadas de Ingeniería Telemática
    Presentation's date: 2007-09-10
    Presentation of work at congresses

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  • RED DE EXCELENCIA EMANICS (FP&-2004-IST-026854-NoE)

     Postigo Boix, Marcos; Serrat Fernandez, Juan
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  • A cost-efficient method for streaming stored content in a guaranteed QoS Internet

     Postigo Boix, Marcos; Garcia-Haro, J; Melus Moreno, Jose Luis
    Computer networks
    Date of publication: 2006-06
    Journal article

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  • Analytical evaluation of Grade of Service for elastic reservations

     Postigo Boix, Marcos; Melus Moreno, Jose Luis
    Electronics Letters
    Date of publication: 2006-11
    Journal article

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  • Analytical Model to Optimize the Cost of Resource Reservation in a Client-Server Scenario

     Postigo Boix, Marcos; García, J Haro; Melus Moreno, Jose Luis
    IEICE transactions on communications
    Date of publication: 2005-07
    Journal article

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  • Distribución de Información Segura con Qos en Entornos Telemáticos

     Soriano Ibáñez, Miguel; Aguilar Igartua, Mónica; Esparza Martin, Oscar; Fernandez Muñoz, Marcel; Forné, Jordi; Hernández Serrano, Juan Bautista; Isabel, Martín; Pallares Segarra, Esteve; Pegueroles Valles, Josep Rafel; Postigo Boix, Marcos; Jordi, Forné
    Jornadas de Ingeniería Telemática
    Presentation of work at congresses

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  • 2005SGR-00563 GRUP DE GESTIÓ I POLÍTIQUES DE PREUS DE SERVEIS DE TELECOMUNICACIÓ

     Postigo Boix, Marcos; Serrat Fernandez, Juan
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  • TSI2005-06413 MECANISMOS DE GESTIÓN Y ESTABLECIMIENTO DE PRECIOS EN EL DESPLIEGUE DE SERVICIOS UBÍCUOS

     Serrat Fernandez, Juan; Postigo Boix, Marcos
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  • SECONNET. Plataforma Distribuida Para Comercio Electronico Seguro De Contenidos Multimedia Sobre Redes Heterogeneas De Banda Ancha

     Soriano Ibáñez, Miguel; Aguilar Igartua, Mónica; Mata Diaz, Jorge; Esparza Martin, Oscar; Muñoz Tapia, Jose Luis; Pegueroles Valles, Josep Rafel; Postigo Boix, Marcos; Hernández Serrano, Juan Bautista; Fernandez Muñoz, Marcel
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  • Adquisición y Revocación de Privilegios en esquemas de Autorización (ARPA).

     Forné, Jordi; Aguilar Igartua, Mónica; Esparza Martin, Oscar; Postigo Boix, Marcos
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  • Contribución al estudio y diseño de mecanismos avanzados de servicio de flujos semi-elásticos en internet con garantías de calidad de servicio extremo a extremo  Open access

     Postigo Boix, Marcos
    Defense's date: 2003-04-25
    Department of Telematics Engineering, Universitat Politècnica de Catalunya
    Theses

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    Los servicios y aplicaciones ofrecidos en Internet demandan, con mayor frecuencia, un determinado nivel de servicio para su correcto funcionamiento. Esto supone el desarrollo de mecanismos que permitan ofrecer calidad de servicio diferenciada entre extremos distantes de la red. En una red con estas características el coste debido al uso de este servicio diferenciado es mayor que el de utilizar el modo tradicional de transferencia best-effort. Ello obliga a los usuarios a realizar un uso responsable de los recursos reservados. Por tanto, será crucial reservar sólo aquellos recursos estrictamente necesarios para lograr un mínimo coste.En este trabajo de Tesis Doctoral, se aborda el problema de minimizar los recursos reservados para una transmisión de un flujo semi-elástico. Este tipo de flujo se caracteriza por necesitar la reserva de más o menos recursos en función del estado de la red, por lo que se plantea el diseño de un sistema cliente-servidor capaz de realizar de forma automática las reservas estrictamente necesarias. Para ello, se propone un mecanismo de control de la ocupación de la memoria del cliente que permite determinar los periodos en que es necesario utilizar un modo de transferencia best-effort (aquellos en los que la ocupación garantiza la disponibilidad de datos en recepción), y los periodos en que se necesita un modo de transferencia con reserva de recursos para garantizar el llenado de dicha memoria. Del análisis de este mecanismo, se deducen expresiones para el coste de transmisión en función de los diversos parámetros que afectan a la ocupación de la memoria del cliente. De estos parámetros destaca especialmente la tasa de llegada de datos, que depende del estado de la red, y el umbral máximo de ocupación que indica cuándo se puede transmitir en modo best-effort. Gracias al correcto dimensionado de este umbral máximo, el cliente es capaz de minimizar los recursos reservados de la red. Para calcular este umbral, uno de los problemas que se plantea es la necesidad de una estimación inicial de la tasa de llegada de datos en modo best-effort. Para ello, se propone el uso de un umbral inicial que permita pasar a modo best-effort y realizar así, la estimación de esta tasa. Por otra parte, se propone también el uso de un mecanismo que mejora la minimización del coste de transmisión cuando la variabilidad de la tasa de llegada de paquetes en modo best-effort es grande, sin incrementar desmesuradamente la cantidad de señalización asociada necesaria.Finalmente, se propone un mecanismo para dar servicio de forma simultánea a varios clientes. Concretamente, se estudia mediante simulación un caso homogéneo, donde todos los clientes presentan los mismos requisitos. El esquema propuesto permite dar servicio simultáneo a un número determinado de clientes reservando recursos, mientras que el resto se sirve en modo best-effort. Del estudio se determina la existencia de un valor óptimo para el número de clientes a los que se da servicio en modo de reserva de recursos, que minimiza la señalización extra necesaria para gestionar el servicio.Asimismo, como complemento adicional para realizar este trabajo, se ha desarrollado una implementación del sistema cliente servidor de flujos semi-elásticos en el simulador ns-2, y además otra implementación real en lenguaje C sobre sistema Linux.

    Internet services and applications are increasingly demanding appropriate levels of service for their adequate operation. That supposes the development of new mechanisms to allow end-to-end differentiated quality of service. In these networks, the cost of using this differentiated service is consequently higher than the employment of the well-known best-effort delivery mode, which requires users to make a responsible use of the reserved resources. Therefore, it is essential to reserve only those resources strictly necessary to achieve the minimum cost.This Thesis work deals with the problem of minimizing reserved resources in a semi-elastic flow transmission. This type of flow is characterized for requiring the reservation of more or less resources depending on network conditions, and for this reason, it is considered the design of a client-server system to reserve automatically the required demanded resources. Hence, it is proposed a method to control the client memory occupancy that determines when it is necessary to use a best-effort delivery mode (those periods when occupancy guarantees data availability in the client side), and when to use a resource reservation delivery mode to guarantee enough data entering into the client memory. From the analysis of this method, it is deduced the transmission cost, which depends on several parameters directly involved with client memory occupancy. Among these parameters, the delivery data rate and the maximum occupancy threshold, that indicates when it is possible to send data using best-effort mode, are the most significant ones. Thanks to the correct dimensioning of this maximum threshold, the client is able to minimize reserved network resources. To calculate this threshold, it is necessary to acquire an initial estimate for the best-effort delivery rate. To achieve this, it is proposed the use of an initial threshold to force a change to best-effort mode to obtain this estimate. In addition, it is proposed the use of a mechanism to improve the minimization cost for high delivery rate variability, without excessively increasing the signalling associated to the switching of transmission modes.Finally, it is proposed a method to serve simultaneously various clients. A homogeneous case is studied by simulation, in which all clients have the same requirements. This method allows a particular number of clients to be served by reserving resources, while the rest use best-effort mode. From this study, it is determined the existence of an optimum value for the number of simultaneous clients to be served by using resource reservation, that minimizes extra signalling to manage this service.Furthermore, as an aid to complement this research work, it has been developed an implementation of a client-server system for semi-elastic flows using ns-2, and additionally, a real implementation using C programming language in a Linux system.

  • ARPA: Adquisición y Revocación de Privilegios en esquemas de Autorización

     Muñoz Tapia, Jose Luis; Forné, Jordi; Aguilar Igartua, Mónica; Pallares Segarra, Esteve; Postigo Boix, Marcos; Hinarejos Campos, M. Francisca
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  • Algoritmos, técnicas y protocolos para ofrecer calidad de servicio en redes IP

     Aguilar Igartua, Mónica; Postigo Boix, Marcos
    Date: 2003-08
    Report

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  • Servicio Simultáneo de Flujos Semi-Elásticos en Internet. Primera Aproximación: Caso Homogéneo

     Postigo Boix, Marcos; García, Joan Haro; Melus Moreno, Jose Luis
    Jornadas de Ingeniería Telemática
    Presentation's date: 2003-09
    Presentation of work at congresses

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  • ATM inverse multiplexing: fundamentals and markovian single-server queue analysis for performance evaluation and validation purposes

     Aguilar Igartua, Mónica; Postigo Boix, Marcos; Garcia Haro, Juan
    Telecommunication systems
    Date of publication: 2002-09
    Journal article

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    The growing demand of network bandwidth indicates that user access to high speed (i.e. ATM) networks is a key issue. The Inverse Multiplexing for ATM (IMA) is a technology that combines multiple T1/E1 links to support the transparent transmission of ATM cells over one single logical data trunk whose bandwidth is the aggregate of the T1/E1 capacities, minus a small amount due to overhead. That is, it provides high bandwidth by using already deployed WAN infrastructure and at a reasonable cost. Employing this technology, it is possible to dispose of ATM connections with data rates between the T1/E1 (an economical but sometimes too slow option) and T3/E3 ones (with high bandwidth, but expensive for the mass market of users). In this framework, and facing a new technology, it is crucial to have tools (analytical and simulation ones) easy to manipulate that help telecommunication engineers and network planners on the performance evaluation and dimensioning of these systems. In this paper, the fundamentals and major applications of IMA technology are described. Also, the behavior of IMA multiplexers is carefully analyzed and a method to dimension them proposed. An estimate for the Cell Loss Ratio (CLR) and the mean waiting time measured in the IMUX devices are obtained. The analytical study is based on the comparison with a M/D/1 queue system. Even though, we are aware of some weakness of our assumptions, especially concerning the Poisson input traffic, the model is compact, easy to understand and to manipulate, therefore it can be valuable to validate simulation models developed to evaluate IMUX devices under more realistic input traffic patterns.

  • Cost Minimization Study of Semi-Elastic Flows Using Internet

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    2002 IEEE International Conference on Communications
    Presentation's date: 2002-04
    Presentation of work at congresses

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  • TIC2002-00818 DISQET: Distribución de Información Segura con QoS en Entornos Telemáticos

     Soriano Ibáñez, Miguel; Aguilar Igartua, Mónica; Pallares Segarra, Esteve; Esparza Martin, Oscar; Muñoz Tapia, Jose Luis; Forné, Jordi; Pegueroles Valles, Josep Rafel; Postigo Boix, Marcos; Hernández Serrano, Juan Bautista; Fernandez Muñoz, Marcel
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  • A Cost Optimization Methodology for Internet Transmission of Semi-Elastic Traffic Flows

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    3rd International Conference on Internet Computing (IC 2002)
    Presentation's date: 2002-06
    Presentation of work at congresses

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  • Transmission of Semi-elastic Flows under High Variability Background Traffic

     Postigo Boix, Marcos; Garcia-Haro, Joan; Melus Moreno, Jose Luis
    The IASTED International Conference on Applied Modelling and Simulation
    Presentation's date: 2002-11
    Presentation of work at congresses

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  • Simulation of a Reliable Client-Server System for Semi-Elastic Flows

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    IASTED International Conference on Communication Systems and Networks
    Presentation's date: 2002-09
    Presentation of work at congresses

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  • A Cost Optimization Methodology for Internet Transmission of Semi-Elastic Traffic Flows

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    3rd International Conference on Internet Computing (IC 2002)
    Presentation of work at congresses

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  • ATM Inverse Multiplexing. Fundamentals and Markovian Single-Server Queue Analysis for Performance Evaluation and Validation Purposes

     Aguilar Igartua, Mónica; Postigo Boix, Marcos; García Haro, Joan
    Telecommunication systems
    Date of publication: 2002
    Journal article

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    The growing demand of network bandwidth indicates that user access to high speed (i.e. ATM) networks is a key issue. The Inverse Multiplexing for ATM (IMA) is a technology that combines multiple T1/E1 links to support the transparent transmission of ATM cells over one single logical data trunk whose bandwidth is the aggregate of the T1/E1 capacities, minus a small amount due to overhead. That is, it provides high bandwidth by using already deployed WAN infrastructure and at a reasonable cost. Employing this technology, it is possible to dispose of ATM connections with data rates between the T1/E1 (an economical but sometimes too slow option) and T3/E3 ones (with high bandwidth, but expensive for the mass market of users). In this framework, and facing a new technology, it is crucial to have tools (analytical and simulation ones) easy to manipulate that help telecommunication engineers and network planners on the performance evaluation and dimensioning of these systems. In this paper, the fundamentals and major applications of IMA technology are described. Also, the behavior of IMA multiplexers is carefully analyzed and a method to dimension them proposed. An estimate for the Cell Loss Ratio (CLR) and the mean waiting time measured in the IMUX devices are obtained. The analytical study is based on the comparison with a M/D/1 queue system. Even though, we are aware of some weakness of our assumptions, especially concerning the Poisson input traffic, the model is compact, easy to understand and to manipulate, therefore it can be valuable to validate simulation models developed to evaluate IMUX devices under more realistic input traffic patterns.

  • IMA: technical foundations, application and performance analysis

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    Computer networks
    Date of publication: 2001-02
    Journal article

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  • PRIME-IP: Presentación de Información Multimedia en Tiempo Real utilizando Entornos de Distribución Multicast con Calidad de Servicio en Redes IP

     Melus Moreno, Jose Luis; Aguilar Igartua, Mónica; Pallares Segarra, Esteve; Postigo Boix, Marcos
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  • Computer communications

     Postigo Boix, Marcos
    Collaboration in journals

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  • Cost Minimization Study in the Client-Server Transmission of Semi-Elastic Flows Using Internet

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    2001 IEEE Pacific Rim Conference on Communications, Computers and Signals Processing (PACRIM 2001)
    Presentation's date: 2001-08
    Presentation of work at congresses

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  • Análisis de Minimización de Coste en la Transmisión de Flujos Semi-Elásticos sobre Internet

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    III Jornades de Ingeniería Telemática
    Presentation's date: 2001-09
    Presentation of work at congresses

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  • Multiplexación Inversa ATM. Funcionamiento y modelo analítico para la evaluación de prestaciones

     Aguilar Igartua, Mónica; García, Joan Haro; Postigo Boix, Marcos
    International conference on telecommunications and electronics
    Presentation of work at congresses

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  • Transmisión Eficiente de Bloques en Tiempo Real sobre Redes IP

     Postigo Boix, Marcos; García-Haro, J; Aguilar Igartua, Mónica
    Simposium Nacional de la Unión Científica Internacional de Radio
    Presentation's date: 2000-09
    Presentation of work at congresses

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  • Inverse Multiplexing for ATM. Technical Operation, Applications and Performance Evaluation Study

     Postigo Boix, Marcos; García-Haro, J; Garcia Haro, Juan; Aguilar Igartua, Mónica
    IEEE Symposium on Computers and Communications
    Presentation's date: 2000-07
    Presentation of work at congresses

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  • Inverse Multiplexing for ATM. Performance evaluation under different traffic patterns

     Postigo Boix, Marcos; Garcia-Haro, J; Garcia Haro, Juan; Aguilar Igartua, Mónica
    2000 Symposium on Performance Evaluation of Computer and Telecommunication Systems
    Presentation's date: 2000-07
    Presentation of work at congresses

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  • Multiplexores Inversos ATM: Funcionamiento, Configuraciones de Red y Modelo de Prestaciones para la Estimación de la Probabilidad de Pérdida de Celdas

     Aguilar Igartua, Mónica; Garcia Haro, Juan; Postigo Boix, Marcos
    II Jornads de Ingeniería Telemática
    Presentation of work at congresses

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  • SISTEMA SEGURO DE ACCESO Y DISTRIBUCIÓN EFICIENTE DE SERVICIOS MULTIMEDIA (SSADE)

     Mata Diaz, Jorge; Aguilar Igartua, Mónica; Pallares Segarra, Esteve; Pegueroles Valles, Josep Rafel; Postigo Boix, Marcos; Hernández Serrano, Juan Bautista
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  • Multiplexores Inversos ATM: Operación, Aplicaciones y Modelo de Prestaciones para la estimación del CLR

     Aguilar Igartua, Mónica; Garcia Haro, Juan; Postigo Boix, Marcos
    Date: 1999-02
    Report

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  • Inverse Multiplexing for ATM. Operation, applications and performance evaluation for the Cell Loss Ratio

     Aguilar Igartua, Mónica; Garcia-Haro, J; Garcia Haro, Juan; Postigo Boix, Marcos
    2nd International Conference on ATM
    Presentation of work at congresses

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  • Multiplexores Inversos ATM, Operación, Aplicacion y Aspectos de Planificación y Evaluación de Prestaciones

     Aguilar Igartua, Mónica; Postigo Boix, Marcos; Garcia, J Haro
    VIII Jornadas de I+D en Telecomunicaciones
    Presentation of work at congresses

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  • Estudio sobre parámetros de calidad en multiplexores inversos ATM

     Aguilar Igartua, Mónica; Postigo Boix, Marcos; Garcia Haro, Juan
    Simposium Nacional de la Unión Científica Internacional de Radio
    Presentation of work at congresses

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