METHODS AND DEVICES FOR PROVIDING EARLY DETECTION,...

Details METHODS AND DEVICES FOR PROVIDING EARLY DETECTION,... METHODS AND DEVICES FOR PROVIDING EARLY DETECTION,...

2005-06-14

2005-06-14

Tran, Quoc (Department: 2643)

Telephonic communications

With usage measurement

Call traffic recording by computer or control processor

C379S112030, C379S112100, C379S221030, C379S111000

Reexamination Certificate

active

06907115

ABSTRACT:
Overload conditions affecting a processor of a network switch or the like are substantially eliminated, and the processing of traffic is gradually allowed to increase, by inserting, and then monitoring one or more probes which are placed into a queue of the processor. During a given measurement interval, if the number of probes exceeds a threshold then an overload condition exists. This condition is subsequently reduced using “multiplicative decrease” techniques. Conversely, if the threshold is not exceeded and there is little or no chance an overload condition can quickly reappear, traffic is allowed to once again be processed gradually using “additive increase” techniques.

REFERENCES:
patent: 5067074 (1991-11-01), Farel et al.
patent: 5881137 (1999-03-01), Ginzboorg et al.
patent: 6252950 (2001-06-01), Duty et al.
patent: 6826268 (2004-11-01), Adams
patent: 2004/0240384 (2004-12-01), Hari et al.
Higuera, J.A.G. and C.D. Berzosa, Progressice Method of Overload Control for Processors, Dec. 31, 1979, Laboratorios ITT de Standard Electrica, S.A., Madrid, Spain, pp. 1-8.

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