H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2338778
A link-level flow control method for serving ATM cell streams arriving from a number of packet sources determines a requested bandwidth share for each packet source and queues ATM cells arriving from the packet sources in a shared FIFO buffer. Based on the number of transmitted ATM cells during a pre- defined time period, non-violating packet sources and violating packet sources are identified. The non-violating packet sources are those packet sources that during the predefined time period do not require more than their requested bandwidth share, and the violating packet sources are those packet sources that during the same period require more than their requested bandwidth share. In order to maintain fairness among the packet sources, the non-violating packet sources are granted no more than their requested bandwidth share, with the remaining bandwidth not granted to the non-violating packet sources being granted to the violating packet sources.
L'invention concerne un procédé de commande de flux au niveau du lien permettant de desservir des suites de cellules MTA arrivant de plusieurs sources de paquets, le procédé déterminant une part de largeur de bande voulue pour chaque source de paquet et mettant en attente les cellules MTA arrivant des sources de paquets dans une file d'attente partagée. Sur la base du nombre de cellules MTA transmises pendant une période prédéfinie, on identifie des sources de paquets en règle et des sources de paquets en infraction. Les sources de paquets en règle sont celles qui, durant la période prédéfinie, ne nécessitent pas plus que leur part de largeur de bande, et les sources de paquets en infraction sont celles qui durant la même période nécessitent plus que leur part de largeur de bande. Afin de maintenir une répartition équitable entre les sources de paquets, on n'accorde pas aux sources de paquets en règle plus que leur part de largeur de bande et on accorde aux sources de paquets en infraction ce qui reste de la largeur de bande non accordée aux sources de paquets en règle.
Fodor Gabor
Racz Andras
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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