Listar por autor UPNA "2083--0000-0002-2770-912X"
Mostrando ítems 1-20 de 53
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Analysis and stochastic characterization of TCP flows
Aracil Rico, Javier
; Morató Osés, Daniel 
; Izal Azcárate, Mikel (Springer, 2000)
Artículo / Artikulua 
Since the most Internet services use TCP as a transport protocol there is a growing interest in the characterization of TCP flows. However, the flow characteristics depend on a large number of factors, due to the complexity ... -
Analysis of Internet services in IP over ATM networks
Aracil Rico, Javier; Morató Osés, Daniel ; Izal Azcárate, Mikel (IEEE, 1999)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents a trace-driven analysis of IP over ATM services from a user-perceived quality of service standpoint. QoS parameters such as the sustained throughput for transactional services and other ATM layer ... -
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 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 ... -
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 ... -
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 ... -
Herramientas pasivas para el análisis y evaluación de prestaciones en redes de alta velocidad
Prieto Suárez, Iria (2016)
Tesis doctoral / Doktoretza tesia
Hoy en día el uso de las redes de ordenadores se ha vuelto imprescindible para casi cualquier tarea. Como consecuencia de la expansión de las mismas, comprobar que una red alcanza el rendimiento y funcionamiento esperado ... -
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 ... -
Improving efficiency of IP alias resolution based on offsets between IP addresses
García-Jiménez, Santiago ; Magaña Lizarrondo, Eduardo ; Morató Osés, Daniel ; Izal Azcárate, Mikel (IEEE, 2009)
Contribución a congreso / Biltzarrerako ekarpena
In order to get a router-level topology in Internet, IP address alias resolution techniques allow to identify IP addresses that belong to the same router. There are several proposals to make this identification, some based ... -
Ingress traffic classification versus aggregation in video over OBS networks
Izal Azcárate, Mikel ; Espina Antolín, Félix ; Morató Osés, Daniel ; Magaña Lizarrondo, Eduardo (2010)
Contribución a congreso / Biltzarrerako ekarpena
Optical Burst Switched (OBS) networks may become a backbone technology for video-on-demand providers. This work addresses the problem of dimensioning the access link of an ingress node to the optical core network in a ...
