Method and apparatus for providing communications bandwidth...

Details Method and apparatus for providing communications bandwidth... Method and apparatus for providing communications bandwidth...

2002-06-26

2008-09-30

Kizou, Hassan (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S412000

Reexamination Certificate

active

07430209

ABSTRACT:
A communications system operator provides to each user of a multi-user communications system a committed information rate (CIR). When a user requests bandwidth for transmission, a system controller queues the user in a high-priority subclass A. The system controller allocates bandwidth to the user at the head of the queue as requested but if the user's bandwidth, measured as an average over a sampling time, exceeds its CIR, it is moved into a low-priority subclass B. The user can then only obtain further bandwidth after other users in the high-priority subclass have been allocated bandwidth up to their CIRs. If a user in the low-priority subclass only receives allocation of a small amount of bandwidth, so that its average inforamtion rate falls below its CIR, it is moved back in to the queue in the high-priority subclass.

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