Flexible reservation request and scheduling mechanisms in a...

H - Electricity – 04 – L

Patent

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H04L 12/24 (2006.01) H04N 21/436 (2011.01)

Patent

CA 2752917

Systems and methods for scheduling network communications in a managed network can include receiving in a Network Coordinator a submission from each of a plurality of network nodes requesting, for their respective flows, reservation of communication slots in a communication window, the submission including scheduling information such as latency tolerance maximum aggregation amount; the Network Coordinator checking available bandwidth in the communication window; and the Network Coordinator allocating the available bandwidth to a first flow from a first requesting node based on the first flow's scheduling information and the bandwidth availability, and deferring allocation of bandwidth to a second flow from a second requesting node until a later window based on the second flow's scheduling information and the bandwidth availability, thereby reallocating peak demand among the plurality of requesting nodes across a plurality of communication windows.

L'invention concerne des systèmes et des procédés pour programmer des communications de réseau dans un réseau géré pouvant comprendre la réception dans un coordinateur de réseau d'une soumission provenant de chacun d'une pluralité de nuds de réseau demandant, pour leurs flux respectifs, la réservation de créneaux de communication dans une fenêtre de communication, la soumission comprenant la programmation d'informations telles que la quantité de cumul maximal de tolérance de latence. Le coordinateur de réseau vérifie la bande passante disponible dans la fenêtre de communication ; et le coordinateur de réseau attribue la bande passante disponible à un premier flux provenant d'un premier nud demandeur en fonction des informations de programmation du premier flux et de la disponibilité de bande passante, et diffère l'attribution de bande passante à un second flux provenant d'un second nud demandeur jusqu'à une fenêtre ultérieure en fonction des informations de programmation du second flux et de la disponibilité de bande passante, ce qui réattribue la demande de crête parmi la pluralité de nuds demandeurs sur une pluralité de fenêtres de communication.

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