Exploració per autor "Esparza Martín, Óscar"
Ara es mostren els items 21-40 de 55
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Evaluation of cryptographic capabilities for the Android platform
Gonzalez Peon, David; Esparza Martín, Óscar; Muñoz Tapia, José Luis; Alins Delgado, Juan José; Mata Diaz, Jorge (Springer, 2015)
Text en actes de congrés
Accés restringit per política de l'editorialFuture networks will be formed by millions of devices, many of them mobile, sharing information and running applications. Android is currently the most widely used operating system in smartphones, and it is becoming more ... -
Evaluation of TCP congestion control algorithms with traffic control policies in a PEP-based geosynchronous satellite scenario
Ramos López, Daniel; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (Elsevier, 2024-02-01)
Article
Accés obertMuch work has been done in recent years comparing TCP variants in many scenarios, including the satellite one. Some of these studies were carried out with the ns-2 and ns-3 simulators, which may give a good idea of the ... -
Exercicis tema 1. Xarxes de telecomunicació i els seus models matemàtics
Calveras Augé, Anna M.; Casademont Serra, Jordi; Esparza Martín, Óscar; Hesselbach Serra, Xavier; Muñoz Tapia, José Luis; Paradells Aspas, Josep; Pegueroles Vallés, Josep R.; Rojas Espinosa, Alfonso (Universitat Politècnica de Catalunya, 2010-03)
Problema, exercici
Accés obert -
Impact of the revocation service in PKI prices
Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe ability to communicate securely is needed for many network applications. Public key infrastructure (PKI) is the most extended solution to verify and confirm the identity of each party involved in any secure transaction ... -
Implementacion de Ipsec en una arquitectura TCP splitting
Caubet Fernández, Juan; Muñoz Tapia, José Luis; Alins Delgado, Juan José; Mata Diaz, Jorge; Esparza Martín, Óscar (2010)
Text en actes de congrés
Accés obertEl rendimiento de las aplicaciones que utilizan el protocolo de transporte TCP (Transmission Control Protocol) sobre enlaces vía satélite tiene una degradación significativa. Esto se debe principalmente a que el algoritmo ... -
Mecanismo para evitar ataques por confabulación basados en code passing
Jáimez Moruno, Marc; Esparza Martín, Óscar; Hernández Gañán, Carlos; Parra Arnau, Javier (2009)
Text en actes de congrés
Accés restringit per política de l'editorialLos agentes móviles son entidades software formadas por código, datos, itinerario y estado, que pueden migrar de host en host autónomamente ejecutando su código. A pesar de sus ventajas, los aspectos de seguridad restringen ... -
MHT-based mechanism for certificate revocation in VANETs
Muñoz Tapia, José Luis; Esparza Martín, Óscar; Hernández Gañán, Carlos; Mata Diaz, Jorge; Alins Delgado, Juan José; Ganchev, Ivan (Springer, 2014-07)
Capítol de llibre
Accés restringit per política de l'editorialVehicular Ad Hoc Networks (VANETs) require mechanisms to authenticate messages, identify valid vehicles, and remove misbehaving vehicles. A Public Key Infrastructure (PKI) can be utilized to provide these functionalities ... -
Multipath TCP architecture for infotainment multimedia applications in vehicular networks
Reñé, Sergi; EXPOSITO, ERNESTO; Gineste, Mathieu Gineste; Alins Delgado, Juan José; Esparza Martín, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe large deployment of Internet resources has facilitated the accelerated development of Intelligent Transport Systems (ITS) including a large diversity of distributed applications such as non-safety infotainment vehicular ... -
NeuroCast: adaptive multi-source P2P video streaming application for wireless networks
Gañan, Carlos; Caubet Fernández, Juan; Mata Diaz, Jorge; Alins Delgado, Juan José; Esparza Martín, Óscar (2011)
Text en actes de congrés
Accés restringit per política de l'editorialStreaming consists in distributing media to large audiences over a computer network. Providing a streaming service for wireless mobile nodes presents many challenges. A peer-to-peer (P2P) solution has the big advantage of ... -
Nuevo sistema de emisión de CRLs para la red KAD
Caubet, Juan; Hernández Gañán, Carlos; Esparza Martín, Óscar; Muñoz Tapia, José Luis (Editorial Universidad de Granada, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialMuchas overlays P2P requieren ciertos servicios de seguridad para poder ser utilizadas como aplicaciones comerciales, y una simple Infraestructura de Clave P´ublica (PKI) podr´ia solucionar el problema. Sin embargo, ... -
On the road to secure and privacy-preserving IoT ecosystems
Hernández Serrano, Juan; Muñoz Tapia, José Luis; Bröring, Arne; Esparza Martín, Óscar; Mikkelsen, Lars; Schwarzott, Wolfgang; León Abarca, Olga; Zibuschka, Jan (Springer, 2017)
Text en actes de congrés
Accés restringit per política de l'editorialThe Internet of Things (IoT) is on the rise. Today, various IoT platforms are already available, giving access to myriads of things. Initiatives such as BIG IoT are bringing those IoT platforms together in order to form ... -
On the self-similarity nature of the revocation data
Gañán, Carlos; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Alins Delgado, Juan José (Springer, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialOne of the hardest tasks of a Public Key Infrastructure (PKI) is to manage revocation. Different revocation mechanisms have been proposed to invalidate the credentials of compromised or misbe- having users. All these ... -
Performance evaluation of selected transmission control protocol variants over a digital video broadcasting-second generation broadband satellite multimedia system with QoS
Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2013-11-07)
Article
Accés restringit per política de l'editorialThis paper presents an analysis of several Transmission Control Protocol (TCP) variants working over a digital video broadcasting-second generation (DVB-S2) satellite link with the support of the Differentiated Services ... -
PKIX Certificate Status in Hybrid MANETs
Muñoz Tapia, José Luis; Esparza Martín, Óscar; Hernández Gañán, Carlos; Parra Arnau, Javier (Springer Berlin / Heidelberg, 2009)
Text en actes de congrés
Accés obertCertificate status validation is a hard problem in general but it is particularly complex in Mobile Ad-hoc Networks (MANETs) because we require solutions to manage both the lack of fixed infrastructure inside the MANET and ... -
PPREM: Privacy Preserving REvocation Mechanism for Vehicular Ad Hoc Networks
Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (Elsevier, 2014-03-01)
Article
Accés restringit per política de l'editorialOne of the critical security issues of Vehicular Ad Hoc Networks (VANETs) is the revocation of misbehaving vehicles. While essential, revocation checking can leak potentially sensitive information. Road Side Units (RSUs) ... -
PREON: An efficient cascade revocation mechanism for delegation paths
Hinarejos Campos, M. Francisca; Muñoz Tapia, José Luis; Forné Muñoz, Jorge; Esparza Martín, Óscar (2010-09)
Article
Accés restringit per política de l'editorialIn decentralized network-based environments, resource sharing occurs more frequently as computing becomes more pervasive. Access to shared resources must be protected allowing access only to authorized entities. Delegation ... -
Problemes Tema 1 (Xarxes Commutades)
Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2023-04-08)
Problema, exercici
Accés obert -
Problemes Tema 1 (xarxes commutades): introducció a les xarxes telemàtiques (IXT)
Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Díaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Postigo Boix, Marcos; Serrat Fernández, Juan; Soriano Ibáñez, Miguel (2015)
Report de recerca
Accés obert -
Problemes Tema 2 (MAC i LLC)
Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Calveras Augé, Anna M.; Casademont Serra, Jordi; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Hesselbach Serra, Xavier; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Paradells Aspas, Josep; Pegueroles Vallés, Josep R.; Rojas Espinosa, Alfonso; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2023-04-08)
Problema, exercici
Accés obert -
Problemes Tema 3 (LAN i WLAN)
Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Calveras Augé, Anna M.; Casademont Serra, Jordi; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Hesselbach Serra, Xavier; Martín Escalona, Israel; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Paradells Aspas, Josep; Pegueroles Vallés, Josep R.; Rojas Espinosa, Alfonso; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi; Martín Faus, Isabel Victoria (Universitat Politècnica de Catalunya, 2023-04-08)
Problema, exercici
Accés obert