File:CUADROS1.jpg
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Summary
[edit]DescriptionCUADROS1.jpg |
English: SON SOLO CUADROS |
Source | Own work |
Author | JOSE NAJAR |
X.25 trabaja sobre servicios basados en circuitos virtuales (VC). Un circuito virtual o canal lógico es aquel en el cual el usuario percibe la existencia de un circuito físico dedicado exclusivamente al ordenador o equipo que el maneja, cuando en realidad ese circuito físico "dedicado" lo comparten muchos usuarios. Mediante diversas técnicas de multiplexado estadístico, se entrelazan paquetes de distintos usuarios dentro de un mismo canal. Las prestaciones del canal son lo bastante buenas como para que el usuario no advierta ninguna degradación en la calidad del servicio como consecuencia del tráfico que le acompaña en el mismo canal, esta ventaja solo es apreciada en el tráfico de voz ya que en audio y video a cierta degradación. Para identificar las conexiones en la red de los distintos DTE, en X.25 se emplean números de canal lógico (LCN). Pueden asignarse hasta 4095 canales lógicos y sesiones de usuario a un mismo canal físico.
Licensing
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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current | 13:09, 15 June 2011 | 1,215 × 644 (46 KB) | JOSE NAJAR (talk | contribs) | {{Information |Description ={{en|1=SON SOLO CUADROS}} |Source ={{own}} |Author =JOSE NAJAR |Date = |Permission = |other_versions = }} |
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