Data transfer apparatus and data transfer method

Details Data transfer apparatus and data transfer method Data transfer apparatus and data transfer method

2007-10-23

2007-10-23

Vu, Thong (Department: 2616)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Priority based messaging

C709S200000, C709S250000

Reexamination Certificate

active

10219256

ABSTRACT:
A forwarding table7where a next transmission queue is registered is sequentially transferred within a queue chain30as a group of queues131. If a priority of a queue to which the forwarding table7is transferred is higher than that of a queue registered in the forwarding table7as a next transmission queue, a next transmission queue number or the like is updated. Further, an arbiter8outputs a transmission command to a queue registered as the next transmission queue in the forwarding table7which has been transferred through all the queues, to transmit the next data frame from the queue having the highest priority. By this arrangement, it is possible to determine data frame transmission priorities among plural queues easily and efficiently while insuring a minimum guaranteed rate defined in each queue.

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