Now showing items 21-40 of 50

    • Internet technologies course with combined professor and on-line contents methodology 

      Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna (IEEE, 2003)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper we present the experience and results in the teaching of a course titled “Internet Technologies”. This course, offered in Public University of Navarra (Spain), uses a special methodology that combines ...
    • IP addresses distribution in Internet and its application on reduction methods for IP alias resolution 

      García Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (IEEE, 2009)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Discovery of Internet topology is an important and open task. It is difficulted by the high number of networks and internetworking equipments, and even by the dynamic of those interconnections. Mapping Internet at router-level ...
    • IP traffic prediction and equivalent bandwidth for DAMA TDMA protocols 

      Aracil Rico, Javier Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna; Magaña Lizarrondo, Eduardo Upna (IEEE, 2003)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The use of IP traffic prediction techniques for DAMA TDMA protocols is investigated in this paper. The predicted traffic distribution is derived when the input traffic shows long-range dependence features. Furthermore, an ...
    • Mejoras en la identificación de tráfico de aplicación basado en firmas 

      Santolaya Bea, Néstor; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (2008)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Traffic identification has been based traditionally on transport protocol ports, associating always the same ports with the same applications. Nowadays that assumption is not true and new methods like signature identification ...
    • Midiendo retardos y pérdidas en las redes móviles de alta velocidad 

      Prieto Suárez, Iria Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna (2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Mobile networks are constantly evolving, but still, due to their nature, it is not trivial to analayse how they face up different kinds of traffic. On the Internet a wide range of services can be found. Usually the majority ...
    • Monitorización activa de altas prestaciones mediante la plataforma paneuropa ETOMIC 

      Magaña Lizarrondo, Eduardo Upna; Alonso Camaró, Ulisses Upna; Astiz Saldaña, Francisco Javier Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna; Naranjo Abad, Francisco José Upna; Aracil Rico, Javier Upna (2005)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper we present the first set of active measurements that we have made using the ETOMIC system. ETOMIC is a paneuropean traffic measurement infrastructure with GPS-synchronized monitoring nodes. Specific hardware ...
    • Multiresolution analysis of optical burst switching traffic 

      Aracil Rico, Javier Upna; Morató Osés, Daniel Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna (IEEE, 2003)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a Multiresolution Analysis is conducted in order to study the self-similar features of Optical Burst Switching (OBS) traffi c. The scenario consists of an OBS backbone with input traffic from a large number ...
    • On linear prediction of Internet traffic for packet and burst switching networks 

      Morató Osés, Daniel Upna; Aracil Rico, Javier Upna; Díez, L. A. Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna (IEEE, 2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we show that prediction algorithms in the least mean square error sense prove better in a burst rather than in a packet switching network. For the latter, further information about the packet arrival ...
    • On the design and performance evaluation of automatic traffic report generation systems with huge data volumes 

      Vega, Carlos; Miravalls-Sierra, Eduardo; Julián-Moreno, Guillermo; López de Vergara, Jorge E.; Magaña Lizarrondo, Eduardo Upna; Aracil, Javier (Wiley, 2018)   Artículo / Artikulua
      In this paper we analyze the performance issues involved in the generation of automated traffic reports for large IT infrastructures. Such reports allow the IT manager to proactively detect possible abnormal situations ...
    • On the nature of unused TCP connections in web traffic 

      Torres García, Luis Miguel Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The popularity of the web and the requirements introduced by current web content have pushed for the development of new techniques that meet these challenges and improve the experience of the users. In particular, during ...
    • Pamplona-traceroute: topology discovery and alias resolution to build router level Internet maps 

      García Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna (IEEE, 2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      An Internet topology map at the router level not only needs to discover IP addresses in Internet paths (traceroute) but also needs to identify IP addresses belonging to the same router (IP aliases). Both processes, discovery ...
    • A passive traffic algorithm for detecting unavailable periods in TCP services 

      Prieto Suárez, Iria Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna (IARIA, 2015)   Artículo / Artikulua  OpenAccess
      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 ...
    • Planificación de la calidad de servicio para el acceso a Internet de las operadoras de cable 

      Magaña Lizarrondo, Eduardo Upna; Villadangos Alonso, Jesús Upna; Izkue Mendi, Edurne Upna (2002)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, the data traffic generated by users of cablemodems is studied. This service must be guaranteed for accomplishing certain Quality of Service and limiting the maximum bandwidth per user. The analysis presents ...
    • A popularity-aware method for discovering server IP addresses related to websites 

      Torres García, Luis Miguel Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (IEEE, 2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The complexity of web traffic has grown in the past years as websites evolve and new services are provided over the HTTP protocol. When accessing a website, multiple connections to different servers are opened and it is ...
    • Predicción de tráfico de Internet and aplicaciones 

      Bernal, I.; Aracil Rico, Javier Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna; Díez, L. A. Upna (2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper we focus on traffic prediction as a means to achieve dynamic bandwidth allocation in a generic Internet link. Our findings show that coarse prediction (bytes per interval) proves advantageous to perform dynamic ...
    • A proposal of burst cloning for video quality improvement in optical burst switching networks 

      Espina Antolín, Félix Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna; Magaña Lizarrondo, Eduardo Upna (2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    • Ransomware early detection by the analysis of file sharing traffic 

      Morató Osés, Daniel Upna; Berrueta Irigoyen, Eduardo; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Crypto ransomware is a type of malware that locks access to user files by encrypting them and demands a ransom in order to obtain the decryption key. This type of malware has become a serious threat for most enterprises. ...
    • Remote access protocols for Desktop-as-a-Service solutions 

      Magaña Lizarrondo, Eduardo Upna; Sesma Gracia, Iris; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna (Public Library of Science, 2019)   Artículo / Artikulua  OpenAccess
      The use of remote desktop services on virtualized machines is a general trend to reduce the cost of desktop seats. Instead of assigning a physical machine with its operating system and software to each user, it is considerably ...
    • Resolución de alias para el cálculo de topologías 

      García Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna; Izal Azcárate, Mikel Upna; Morató Osés, Daniel Upna (2007)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The network topology is a fundamental parameter for managers and researchers. The traditional methodology for discovering the topology of a network is based on the tool traceroute, used from several vantage points in ...
    • Router scheduling configuration based on the maximization of benefit and carried best effort traffic 

      Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna; Varaiya, Pravin (Kluwer Academic Publishers, 2003)   Artículo / Artikulua  OpenAccess
      This paper shows a configuration scheme for networks with WFQ schedulers. It guarantees maximum revenue for the service provider in the worst case of network congestion. We focus on best effort traffic and select those ...