| 摘要 |
The present invention is directed to a method and apparatus for scheduling a resource to meet quality of service guarantees. In one embodiment of three levels of priority, if a channel of a first priority level is within its bandwidth allocation, then a request is issued from that channel. If there are no requests in channels at the first priority level that are within the allocation, requests from channels at the second priority level that are within their bandwidth allocation are chosen. If there are no requests of this type, requests from channels at the third priority level or requests from channels at the first and second levels that are outside of their bandwidth allocation are issued. The system may be implemented using rate-based scheduling.
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