Now showing items 21-40 of 52

    • Herramienta de gestión en tiempo real de redes de área extensa 

      Magaña Lizarrondo, Eduardo Upna; Aracil Rico, Javier Upna; Villadangos Alonso, Jesús Upna (1998)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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 ...
    • Improving efficiency of IP alias resolution based on offsets between IP addresses 

      García Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna (IEEE, 2009)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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 Upna; Espina Antolín, Félix Upna; Morató Osés, Daniel Upna; Magaña Lizarrondo, Eduardo Upna (2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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 ...
    • Internet mapping at IP level 

      García Jiménez, Santiago Upna; Magaña Lizarrondo, Eduardo Upna (2009)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The final objective of our research is to develop new techniques and ideas to create topology maps at IP level, representing Internet as a graph where nodes were routes. This means closer to reality.
    • 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 ...
    • IPmiser, sistema de monitorización de enlaces ATM a 155Mbps 

      Aracil Rico, Javier Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna; Solana, Juan Ignacio; Ariste, Teresa; Fillmore, David (1998)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    • IPmiser: herramienta de medida and análisis de redes de alta velocidad 

      Aracil Rico, Javier Upna; Morató Osés, Daniel Upna; Izal Azcárate, Mikel Upna (1999)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Las redes de área extensa IP generan en la actualidad un tráfico difícil de predecir y caracterizar. Así, se hace necesario disponer de herramientas que proporcionen monitorización en tiempo real de los enlaces, sin interrupción ...
    • 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 fuzzy orderings of crisp and fuzzy intervals 

      Fuentes González, Ramón Upna; Burillo López, Pedro Upna; Mayor, Gaspar (EUSFLAT, 2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      First, fuzzy membership functions for the assertion '[x,y] is a positive interval' are proposed and characterized via non-decreasing real maps. Last, using those functions together with the intervaldifference and the ...
    • 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 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 ...
    • On the use of balking for estimation of the blocking probability for OBS routers with FDL lines 

      Morató Osés, Daniel Upna; Aracil Rico, Javier Upna (Springer Berlin Heidelberg, 2006)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This paper deals with estimation of blocking probabilities for OBS switches with Fiber Delay Lines (FDLs) and full wavelength conversion. An incoming burst that finds the wavelengths occupied is temporarily stored in a ...
    • 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 ...
    • 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 ...