Parallel service-rate controllers in ATM switches

Details Parallel service-rate controllers in ATM switches Parallel service-rate controllers in ATM switches

1997-04-07

2000-07-11

Vu, Huy D.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370416, H04J 314

Patent

active

060883316

ABSTRACT:
Techniques of service-rate controls in ATM switches are described, and apparatus for their implementation are devised. The techniques fall in two categories: frequency domain controls, and time-domain controls. The regulators control the service rate on a per-class basis or on a per-connection basis. Some class regulators operate at very high speeds of the order of several gigabits per second and cover a medium number of classes, 32 for example. Other regulators operate at high speeds of the order of several-hundred megabits per second, and cover a very large number of classes, e.g., 10000. A compound regulator which combines both types of regulators is also described. The compound regulators extend the range of controllable classes considerably, covering some 200,000 classes. The main advantages of the regulators of the invention are simplicity, robustness, and high performance.

REFERENCES:
patent: 5231633 (1993-07-01), Hluchyj et al.
patent: 5649110 (1997-07-01), Ben-Nun et al.
Hui Zhang et al., "Comparison of Rate-Based Service Disciplines", Computer Communications Review, vol. 21, No. 4, Sep. 1, 1991, pp. 113-121.
Spiram, K., "Methodologies For Bandwidth Allocation, Transmission Scheduling, and Congestion Avoidance in Broadband ATM Networks", Computer Networks and ISDN Systems, vol. 26, No. 1, Sep. 1, 1993, pp. 43-59.

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