Label switched media gateway and network

H - Electricity – 04 – L

Patent

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Details

H04L 12/66 (2006.01) H04L 9/32 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2300343

A network arrangement for delivering IP services to subscribers comprises a core network, a plurality of label switched media gateways coupled to the network and each providing an interface for one or more subscriber terminals. Call servers associated with the network are used to establish connections between pairs of gateways, these connections being routed across the core network via tunnels established therein. The tunnels are exclusively reserved for traffic between the label switched media gateways so as to provide security of that traffic from third party access and to provide a guaranteed quality of service. Because traffic is accepted into a tunnel only if bandwidth is available in that tunnel, firm and meaningful quality of service guarantees can be given to users.

Divulgation d'une structure de réseau offrant des services IP à des abonnés, comprenant un réseau coeur, une pluralité de passerelles de média à commutation d'étiquettes couplée au réseau, chacune fournissant une interface à un ou plusieurs terminaux d'abonnés. Des commutateurs logiciels associés au réseau servent à établir des connections entre les paires de passerelles, ces connections étant acheminées dans le réseau d'infrastructure par des tunnels qui y sont établis. Les tunnels servent exclusivement au trafic entre les passerelles de média à commutation d'étiquettes de manière à sécuriser le trafic contre l'accès par de tierces parties et pour une qualité de service assurée. Puisque la trafic est accepté dans le tunnel seulement si la bande passante est disponible dans ce tunnel, il est possible d'offrir à la clientèle des garanties fermes et significatives d'un service de qualité.

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