Method for overload control in a packet switch that processes pa

Details Method for overload control in a packet switch that processes pa Method for overload control in a packet switch that processes pa

1994-12-09

1996-07-23

Hsu, Alpus H.

Multiplex communications

Wide area network

Packet switching

370 60, 370 856, 370 941, H04B 7216, H04L 1256

Patent

active

055397298

ABSTRACT:
A system and method that controls potential overload of packet switches when the packet switch has multiple packet streams with different priority levels. A counter is associated with the higher priority packet stream, so that when the counter reaches a predetermined number, the higher priority packet stream is disabled, so that the lower priority packet stream may be processed. When the counter reaches the predetermined number, interrupts are disabled, thus inhibiting processing of the higher priority packet stream. Advantageously, a predetermined number of polled packets are processed before interrupts are enabled.

REFERENCES:
patent: 4517670 (1985-05-01), Ulug
patent: 4707831 (1987-11-01), Weir et al.
patent: 4942569 (1990-07-01), Maeno
patent: 4953157 (1990-08-01), Franklin et al.
patent: 4977557 (1990-12-01), Phung et al.
patent: 5115430 (1992-05-01), Hahne et al.
patent: 5311513 (1994-05-01), Ahmadi et al.
patent: 5390176 (1995-02-01), Schoute et al.

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