Congestion control method in asynchronous transfer mode local ar

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

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370235, H04J 116

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active

056993455

ABSTRACT:
An ATM network includes a plurality of ATM-LANs which are connected through an ATM-WAN, when a source terminal and a destination terminal belong tb separate ATM-LANs connected through the ATM-WAN, the congestion control is performed as follows. When congestion occurs in an ATM-LAN in which the source terminal exists, the congestion control is performed by the BECN mechanism and when congestion occurs in an ATM-LAN other than the ATM-LAN in which the source terminal exists, the congestion control is performed by the FRP mechanism. When the source terminal and the destination terminal exist in the same ATM-LAN, the congestion control is performed by the FECN mechanism. Thus, in the ATM-LAN, cell loss can be suppressed upon occurrence of congestion.

REFERENCES:
patent: 5448564 (1995-09-01), Thor
patent: 5457687 (1995-10-01), Newman
patent: 5530695 (1996-06-01), Dighe et al.
patent: 5541926 (1996-07-01), Saito et al.

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