Control of overload in communications networks

Details Control of overload in communications networks Control of overload in communications networks

1989-10-27

1991-11-19

Cangialosi, Salvatore

Boots, shoes, and leggings

3642222, 364284, 3642843, 364DIG1, 370 13, 379113, H04M 1100

Patent

active

050670743

ABSTRACT:
This invention relates to a method and apparatus for throttling request messages to an overloaded database and for throttling overload traffic to a particular destination. The database sends a gap value to the sources of messages or traffic; following any message or call to the destination, no messages will be sent or calls to the destination completed for one gap interval. In a departure from the prior art, the gap interval, a function of the number of request messages flushed or overload calls to the destination is not recurrently calculated anew, but is instead recurrently adjusted from its previous value. Advantageously, this arrangement permits a relatively stable value of the gap to be maintained and reduces overhead for preliminary processing of request messages that cannot be handled.

REFERENCES:
patent: 4626624 (1986-12-01), Daisenberger
patent: 4626625 (1986-12-01), Daisenberger
patent: 4974256 (1990-12-01), Cyr et al.
D. G. Haenschke et al., "Network Management and Congestion in the U.S. Telecommunications Network", IEEE Transactions On Communications, vol. COM-28, No. 4, Apr. 1981, pp. 376-385.

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