Broadcast rate control allocation (BRCA) for congestion avoidance in satellite ATM networks
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United States of America Patent
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Sep 3, 2002
Grant Date -
N/A
app pub date -
Apr 21, 1999
filing date -
Apr 21, 1999
priority date (Note) -
Expired
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Abstract
A congestion avoidance scheme for ABR services in an ATM satellite system is described. The scheme relies on the broadcast nature of a satellite system to control the rates at which user terminals can send their requests for capacity. The scheme is integrated with the uplink scheduler mechanisms and therefore it is capable of achieving high bandwidth efficiency. It also achieves fairness in satellite resource utilization, while guaranteeing low cell loss ratio with rather modest buffer size.
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