{"id":107125,"date":"2011-02-03T00:00:00","date_gmt":"2011-02-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/study-of-the-theoretical-bounds-and-practical-limits-of-time-synchronization-protocols-using-an-ethernet-fpga-platform\/"},"modified":"2011-02-03T00:00:00","modified_gmt":"2011-02-03T00:00:00","slug":"study-of-the-theoretical-bounds-and-practical-limits-of-time-synchronization-protocols-using-an-ethernet-fpga-platform","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/study-of-the-theoretical-bounds-and-practical-limits-of-time-synchronization-protocols-using-an-ethernet-fpga-platform\/","title":{"rendered":"Study of the theoretical bounds and practical limits of time synchronization protocols using an ethernet fpga platform"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carles Nicolau Jen\u00e9 <\/strong><\/h2>\n<p>Ethernet es la tecnolog\u00eda el bajo precio, el ancho de banda y la baja complejidad y mantenimiento de la tecnolog\u00eda ethernet son activadores para adoptarla a todos los niveles geogr\u00e1ficos y aplicaciones. No obstante, su bajo coste y simplicidad son parte de su atractivo. El reto est\u00e1 en que fue originalmente concebida como tecnolog\u00eda as\u00edncrona y de m\u00ednimos servicios, limitaciones que dificultan utilizarla para servicios con fuertes restricciones de tiempo. para soportar dichas aplicaciones, varios estamentos de estandardizaci\u00f3n est\u00e1n actualmente extendiendo las funcionalidades de ethernet para que pueda ser utilizada para transporte de servicios de calidad de operadora.  la sincronizaci\u00f3n de tiempo de alta precisi\u00f3n es clave para ofrecer servicios con alta calidad de servicio (cds). Las aplicaciones actuales basadas en ethernet que ofrecen sincronizaci\u00f3n de tiempo se basan en el transporte de paquetes con una marca de tiempo. La obtenci\u00f3n de la marca de tiempo y el env\u00edo del paquete son cruciales para obtener sincronizaci\u00f3n muy precisa. Estos procesos est\u00e1n expuestos a un n\u00famero de variabilidades del nodo fuente al nodo destino que degradan la sincronizaci\u00f3n entre ambos.  el objetivo de esta tesis es evaluar el impacto de las variabilidades de las capas ethernet intermedias en la sincronizaci\u00f3n entre dos nodos. El m\u00e9todo de evaluaci\u00f3n est\u00e1 basado en fpgas de bajo coste. La complejidad de estos dispositivos a\u00f1ade un reto m\u00e1s en el proceso de evaluaci\u00f3n, especialmente cuando los requerimientos de sincronizaci\u00f3n s\u00f3n del nivel de nanosegundos.   adicionalmente, en esta tesis se propone un nuevo modelo para ethernet que consiste en extender sus funcionalidades mediante la introducci\u00f3n de sincronizaci\u00f3n de tiempo. Creemos que dicha funcionalidad permitir\u00eda a ethernet soportar aplicaciones con fuertes restricciones de tiempo manteniendo su filosof\u00eda inicial: bajo coste, simplicidad y tecnolog\u00eda as\u00edncrona.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Study of the theoretical bounds and practical limits of time synchronization protocols using an ethernet fpga platform<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Study of the theoretical bounds and practical limits of time synchronization protocols using an ethernet fpga platform <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carles Nicolau Jen\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pompeu fabra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/03\/2011<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Dolors Sala Batlle<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: josep Mar\u00eda Fuertes i armengol <\/li>\n<li>enrique Fernando Canto navarro (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carles Nicolau Jen\u00e9 Ethernet es la tecnolog\u00eda el bajo precio, el ancho de banda y la baja [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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