System, device, and method for scheduling in a communication...

Details System, device, and method for scheduling in a communication... System, device, and method for scheduling in a communication...

H - Electricity

04

J

H04J 3/16 (2006.01) H04L 12/28 (2006.01) H04Q 11/04 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2268784

A system, device (214), and method for scheduling in a communication network separates each scheduling job into a committed-rate component (308) and a variable-rate component (310) according to a service class associated with the scheduling job. The committed-rate components are scheduled by creating a map of transmission opportunities that, when repeated at predetermined periodic intervals, provides each committed-rate component with its required number of transmission opportunities within its predetermined delay and jitter constraints. The variable-rate components are scheduled by assigning any unused transmission opportunities in the map to the variable-rate components according to a predetermined scheme.

L'invention concerne un système, un dispositif (214) et un procédé d'ordonnancement d'un réseau de communication, servant à séparer chaque travail d'ordonnancement en une composante à débit garanti (308) et en une composante à débit variable (310), en fonction d'une classe de services associée au travail d'ordonnancement. On procède à l'ordonnancement des composantes à débit garanti en créant une carte de possibilités d'émission, répétée à intervalles périodiques déterminés, ce qui permet de doter chaque composante à débit garanti du nombre voulu de possibilités d'émission, dans des contraintes déterminées de retard et de gigue. On procède à l'ordonnancement des composantes à débit variable en leur attribuant n'importe lesquelles des possibilités d'émission non utilisées de la carte, en fonction d'un schéma déterminé.

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