Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2006-10-31
2006-10-31
To, Doris H. (Department: 2616)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
Reexamination Certificate
active
07130271
ABSTRACT:
In a relaying apparatus detecting a congested state and performing a flow control, an output buffer using an up-link or a stack-link is monitored. When the up-link or the stack-link is in a congested state, a transmission restriction is imposed on a port which is a transmitting source of a corresponding frame. Furthermore, when a plurality of relaying apparatuses are connected through stack-links, the relaying apparatus having the up-link detects the congested state of the up-link and notifies a second relaying apparatus of the congested state to make a transmission restriction.
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To Doris H.
Wilson Robert W.
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