Variable bit rate scheduler

Details Variable bit rate scheduler Variable bit rate scheduler

1996-06-19

1998-04-28

Chin, Wellington

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370412, H04L 1228

Patent

active

057454906

ABSTRACT:
A variable bit rate scheduler for ATM traffic shaping which includes a service rate queue (SRQ) counter for generating a base traffic profile for the control of data transmission on a virtual channel, a virtual channel peak cell rate determinator coupled to said SRQ counter and operative to determine a virtual channel peak cell sub-rate, VC.sub.-- PCR, a leaky bucket having an input for receiving sub-tokens and an output for discharging tokens and means for adding sub-tokens at the virtual channel peak cell rate to the leaky bucket and, when a cell is to be transmitted, removing a number of tokens from the bucket equal to the ratio of a virtual channel sustainable cell rate. The virtual channel sustainable cell rate is a fraction of or equal to the virtual channel peak cell rate.

REFERENCES:
patent: 5497375 (1996-03-01), Hluchyj et al.
patent: 5515363 (1996-05-01), Ben-Nun et al.
patent: 5533020 (1996-07-01), Byrn et al.
patent: 5579302 (1996-11-01), Banks

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