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CURSO VERANO 2012: FUNDAMENTOS E INTRODUCCION A LAS TELECOMUNICACIONES UNIDAD 3: TECNICAS DE CONMUTACION INSTRUCTOR : MIGUEL ANGEL PEREZ SOLANO Ingeniero en Comunicaciones y Electrónica Instituto Tecnológico de Oaxaca http://solano.orgfree.com 1 © ILCEO: ING. MIGUEL ANGEL PEREZ SOLANO 1.1 CLASIFICACION DE LOS MECANISMOS DE CONMUTACION Conmutación de circuitos POTS: Plain old system PSTN: Public switching telephone Netwok Conmutación de paquetes www: world wide web; INTERNET 2 1.1 CLASIFICACION DE LOS MECANISMOS DE CONMUTACION Conmutación de MENSAJES Message switching network: A network in which data is moved as complete messages of arbitrary length, rather than being subdivided into packets, which contain a variable amount of data but with a fixed upper limit on length, or as cells, which contain a fixed amount of data. Conmutación de CELDAS Cell switching operates in a similar way to packet switching but uses small fixed length cells for data transport. This technology is found within cell based integrated networks such as Asynchronous Transfer Mode (ATM) networks. Cell switching can handle multiple data types, i.e. voice, video and data 3