Publication: Evaluación de mecanismos de soporte de tráfico multicast con movilidad basada en red
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2015-06
Defense date
2015-07-10
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Abstract
Con el auge actual de Internet y el incremento en el uso de dispositivos móviles ha
aumentado el consumo de contenido multimedia, del cual cabe destacar el streaming de
vídeo, el vídeo bajo demanda y la IPTV. Muchos de estos servicios hacen uso de Multicast,
un método de transmisión de datos a múltiples redes y destinatarios de manera simultánea.
Para poder realizar transmisiones de datos multicast hay direcciones IP reservadas, tanto en
IPv4 como en IPv6. El funcionamiento de multicast es muy sencillo, el host que quiere recibir
tráfico manda un mensaje a su router y se suscribe al grupo multicast (IP dentro de un rango
reservado), a partir de ahí el router ya sabe que tiene que enviar el tráfico multicast de ese
grupo a ese host en particular. El protocolo multicast en el que nos vamos a centrar es MLD
(Multicast Listener Discovery). MLD es una herramienta que utilizan los routers IPv6 para
descubrir subscriptores multicast en un enlace directo, es el equivalente a IGMP en IPv4. Se
usará la versión más reciente de este protocolo MLDv2. El objetivo final de este Trabajo Fin de Grado es evaluar estos mecanismos de envío
de tráfico multicast (MLD), en un escenario real bajo un protocolo de movilidad basado en
red (PMIPv6). Para desplegar este escenario se utilizará un prototipo con routers empleando
la distribución OpenWRT.
With the current boom of Internet and the rising use of mobile devices, the media content consumption has increased, including video streaming, video on demand and IPTV. Many of this services use Multicast. Multicast is a method of sending IP datagrams to a group of interested receivers in a single transmission. To do multicast data transmissions are reserved a range of IP addresses, both in IPv4 and in IPv6. Multicast operation is simple, the host who wants to receive traffic sends a message to its router and it subscribes to the multicast group (IP's reserved range). Then the router knows how to send multicast traffic for that group to that particular host. We are going to focus in the multicast protocol MLD (Multicast Listener Discovery). MLD is tool used by IPv6 routers to discover multicast listeners in a direct link, it is equivalent to IGMP in IPv4. We focus on the latest version of this protocol, MLDv2. The final objective of this Bachelor Thesis is to evaluate this multicast sending mechanisms (MLD), in a real scenario running a network-based mobility management protocol (PMIPv6). To deploy the scenario we will utilize a prototype with routers using a OpenWRT distribution.
With the current boom of Internet and the rising use of mobile devices, the media content consumption has increased, including video streaming, video on demand and IPTV. Many of this services use Multicast. Multicast is a method of sending IP datagrams to a group of interested receivers in a single transmission. To do multicast data transmissions are reserved a range of IP addresses, both in IPv4 and in IPv6. Multicast operation is simple, the host who wants to receive traffic sends a message to its router and it subscribes to the multicast group (IP's reserved range). Then the router knows how to send multicast traffic for that group to that particular host. We are going to focus in the multicast protocol MLD (Multicast Listener Discovery). MLD is tool used by IPv6 routers to discover multicast listeners in a direct link, it is equivalent to IGMP in IPv4. We focus on the latest version of this protocol, MLDv2. The final objective of this Bachelor Thesis is to evaluate this multicast sending mechanisms (MLD), in a real scenario running a network-based mobility management protocol (PMIPv6). To deploy the scenario we will utilize a prototype with routers using a OpenWRT distribution.
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Keywords
Dispositivos móviles, Transmisión de datos, Multimedia, Multicast Listener Discovery, MLD