Listar por autor UPNA "Magaña Lizarrondo, Eduardo"
Mostrando ítems 1-20 de 62
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Approximations for end-to-end delay analysis in OBS networks with light load
Morató Osés, Daniel
; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel (IEEE, 2004)
Contribución a congreso / Biltzarrerako ekarpena 
In this paper we provide an analysis of end-to-end delay in OBS networks and a large deviations approximation. The analysis is based on an exponential approximation of the OBS router blocking time and on the assumption ... -
Arquitectura de publicación automatizada de contenidos educativos supervisados en Internet
Arin Irastorza, María Asunción; Magaña Lizarrondo, Eduardo ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; González de Mendívil Moreno, José Ramón (1999)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents an automated publishing architecture of educational and supervised contents over the Internet. The system makes easier the job of publishing educational courses over the network using specific tools ... -
Arquitectura y diseño de un modelo de red OBS para simulación
Espina Antolín, Félix; Armendáriz Silva, Javier; Izal Azcárate, Mikel ; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo (2009)
Contribución a congreso / Biltzarrerako ekarpena
Optical Burst Switching (OBS) es una nueva tecnología de conmutación óptica capaz de soportar una gran demanda de ancho de banda en backbones ópticos con Wavelength Division Multiplexing (WDM). Muchos investigadores están ... -
Blocking time analysis of OBS routers with arbitrary burst size distribution
Morató Osés, Daniel ; Izal Azcárate, Mikel ; Aracil Rico, Javier ; Magaña Lizarrondo, Eduardo ; Miqueleiz, J. (IEEE, 2003)
Contribución a congreso / Biltzarrerako ekarpena
The blocking time distribution for an OBS router is obtained, under the assumption of Poisson-arriving bursts with Pareto, Gaussian and Exponential burst size distributions. Analytical expressions are provided as a ... -
Collecting packet traces at high speed
Aguirre Cascallana, Gorka; Magaña Lizarrondo, Eduardo (2006)
Contribución a congreso / Biltzarrerako ekarpena
In order to capture packet traces at high speed using a low-cost platform, we have to optimize the networking stack of a general purpose operating system. Different techniques are compared with the final objective of ... -
Computation of traffic time series for large populations of IoT devices
Izal Azcárate, Mikel ; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo ; García-Jiménez, Santiago (MDPI, 2018)
Artículo / Artikulua
En este artículo se estudian las tecnicas para clasificar paquetes de tráfico de red en múltiples clases orientadas a la realización de series temporales de tráfico en escenarios de un elevado numero de clases como pueden ... -
Crypto-ransomware detection using machine learning models in file-sharing network scenarios with encrypted traffic
Berrueta Irigoyen, Eduardo; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel (Elsevier, 2022)
Artículo / Artikulua
Ransomware is considered as a significant threat for home users and enterprises. In corporate scenarios, users’ computers usually store only system and program files, while all the documents are accessed from shared servers. ... -
Delay-throughput curves for timer-based OBS burstifiers with light load
Izal Azcárate, Mikel ; Aracil Rico, Javier ; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo (IEEE, 2006)
Artículo / Artikulua
The OBS burstifier delay-throughput curves are analyzed in this paper. The burstifier incorporates a timer-based scheme with minimum burst size, i. e., bursts are subject to padding in light-load scenarios. Precisely, due ... -
Detección de congestión en la Internet europea
Hernández, Ana; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel ; Morató Osés, Daniel (IEEE, 2007)
Contribución a congreso / Biltzarrerako ekarpena
In this paper we present a study about the utilization of one-way delay measurements to detect and characterize network congestion in the european Internet. The experiments have been made using the ETOMIC platfom that ... -
Detecting disruption periods on TCP servers with passive packet traffic analysis
Prieto Suárez, Iria; Izal Azcárate, Mikel ; Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel (IARIA, 2015)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents a simple passive algorithm to monitor service availability. The algorithm is based on packet counting over a passive traffic trace of a population of clients accessing servers of interest. The major ... -
Effective analysis of secure web response time
López Romera, Carlos; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
The measurement of response time in web based applications is a common task for the evaluation of service responsiveness and the detection of network or server problems. Traffic analysis is the most common strategy for ... -
The ETOMIC active probing infrastructure: demo proposal
Csabai, István; Hága, Péter; Simon, Gábor; Stéger, József; Vattay, Gábor; Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel ; Izal Azcárate, Mikel ; Aracil Rico, Javier (2006)
Contribución a congreso / Biltzarrerako ekarpena
ETOMIC (www.etomic.org) is a European Union sponsored effort, that aims at providing a Paneuropean traffic measurement infrastructure. This infrastructure contains 15 PC based active probing nodes equipped with ... -
ETOMIC advanced network monitoring system for future Internet experimentation
Csabai, István; Fekete, Attila; Hága, Péter; Hullár, Béla; Kurucz, Gábor; Laki, Sándor; Mátray, Péter; Stéger, József; Vattay, Gábor; Espina Antolín, Félix; García-Jiménez, Santiago ; Izal Azcárate, Mikel ; Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel ; Aracil Rico, Javier ; Gómez, Francisco; González, Iván; López Buedo, Sergio; Moreno, Víctor; Ramos, Javier (Springer-Verlag Berlin Heidelberg, 2010)
Contribución a congreso / Biltzarrerako ekarpena
ETOMIC is a network traffic measurement platform with high precision GPS-synchronized monitoring nodes. The infrastructure is publicly available to the network research community, supporting advanced experimental ... -
The European Traffic Observatory Measurement Infraestructure (ETOMIC)
Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel ; Aracil Rico, Javier ; Naranjo Abad, Francisco José ; Astiz Saldaña, Francisco Javier ; Alonso Camaró, Ulisses ; Csabai, István; Hága, Péter; Simon, Gábor; Stéger, József; Vattay, Gábor (IEEE, 2004)
Contribución a congreso / Biltzarrerako ekarpena
The European Traffic Observatory is a European Union VI Framework Program sponsored effort, within the Integrated Project EVERGROW, that aims at providing an paneuropean traffic measurement infrastructure with high-precision, ... -
The European Traffic Observatory Measurement Infraestructure (ETOMIC): a testbed for universal active and passive measurements
Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel ; Izal Azcárate, Mikel ; Aracil Rico, Javier ; Astiz Saldaña, Francisco Javier ; Alonso Camaró, Ulisses ; Csabai, István; Hága, Péter; Simon, Gábor; Stéger, József; Vattay, Gábor (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
The European Traffic Observatory is a European Union VI Framework Program sponsored effort, within the Integrated Project EVERGROW, that aims at providing a paneuropean traffic measurement infrastructure with highprecisi ... -
Evaluación de los sistemas inalámbricos 802.11b en entornos de alta movilidad para su implantación en una red de Infostations
Cayón Alcalde, Juan Ramón; Magaña Lizarrondo, Eduardo (2005)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays, users demand higher bandwidth Internet access with the ability to connect anywhere (or, at least, many-where) at anytime, with no restrictions imposed by mobility or the kind of information (voice or data) to ... -
Evaluation of preemption probabilities in OBS networks with burst segmentation
Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel ; Izal Azcárate, Mikel ; Aracil Rico, Javier (IEEE, 2005)
Contribución a congreso / Biltzarrerako ekarpena
Preemption techniques have been recently proposed for service differentiation in Optical Burst Switching (OBS) networks. According to [1], an incoming burst with the same priority that the burst in service will preempt ... -
Garantía de calidad de servicio basada en la predicción del ancho de banda
Villadangos Alonso, Jesús ; Magaña Lizarrondo, Eduardo (2001)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents the architecture and performance evaluation of a neuronal estimator to predict network load in communication networks. System benchmarks are tested with real network traffic picked up from the 155 Mbps ... -
Herramienta de gestión en tiempo real de redes de área extensa
Magaña Lizarrondo, Eduardo ; Aracil Rico, Javier ; Villadangos Alonso, Jesús (1998)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents PROMIS, a new network management tool based on a distributed architecture of traffic probes. It allows network managers to monitor traffic from any wide area network segment in real time using a WWW ... -
High-speed analysis of SMB2 file sharing traffic without TCP stream reconstruction
Berrueta Irigoyen, Eduardo ; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents a file sharing traffic analysis methodology for Server Message Block (SMB), a common protocol in the corporate environment. The design is focused on improving the traffic analysis rate that can be ...
