Method and apparatus for providing differentiated services

Details Method and apparatus for providing differentiated services Method and apparatus for providing differentiated services

H - Electricity

04

L

H04L 12/56 (2006.01)

Patent

CA 2351456

A method and apparatus for providing differentiated services using a multi- level queuing mechanism includes checking whether a packet of data is to receive a preferred level of service, and if the packet is not to receive the preferred level of service, then placing the packet in a first forwarding queue. However, if the packet of data is to receive the preferred level of service then checking whether it is permissible to forward the packet to a device in the network at the current time. If it is permissible to forward the packet to the device at the current time, then placing the packet in a second forwarding queue, otherwise temporarily placing the packet in a holding queue before placing the packet in the second forwarding queue.

L'invention concerne un procédé et un appareil destiné à fournir des services différentiés en utilisant un mécanisme de files d'attente à niveaux multiples. Elle consiste à vérifier si un paquet de données doit recevoir ou non le service d'un niveau préféré puis à placer ce paquet dans une première file de réexpédition. Si le paquet de données doit recevoir le service d'un niveau préféré, on vérifie s'il est permis de réexpédier le paquet à destination d'un dispositif dans le réseau au moment présent. S'il est permis de réexpédier le paquet à destination d'un dispositif au moment présent, il est placé dans une deuxième file de réexpédition; sinon il est placé provisoirement dans une file de retenue avant d'être déplacé dans la deuxième file de réexpédition.

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