Bus line traffic control adapter apparatus

Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network

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Details

370421, H04L 1240, H04L 1256

Patent

active

056687990

ABSTRACT:
The invention provides a bus line traffic control adapter apparatus which can secure a communications throughput of a data terminal which is already in a communicating condition even where there is a limitation in transfer capacity on a bus line. A first packet controller extracts throughput information in call user data in a call request packet. A traffic controller subtracts a current throughput value read out from a total throughput control section from allowable throughput information on a bus line, compares a value obtained by the subtraction with the throughput information notified from the first packet controller, and permits or rejects origination of a call in accordance with a result of the comparison. When a notification of rejection of origination of a call is received, the first packet controller cancels the received call request packet then and notifies a clear indication packet to the data terminal by way of a second ISDN control section.

REFERENCES:
patent: 4922482 (1990-05-01), Tanahashi et al.
patent: 5166894 (1992-11-01), Saito
patent: 5268904 (1993-12-01), Umeda
patent: 5357507 (1994-10-01), Hughes et al.
patent: 5400335 (1995-03-01), Yamada
patent: 5432790 (1995-07-01), Hluchj et al.

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