Method and system for managing queued cells

Details Method and system for managing queued cells Method and system for managing queued cells

1992-06-04

1994-01-11

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 370 941, H04J 326

Patent

active

052788288

ABSTRACT:
A queue management method and system manages queued cells in such a way that higher priority cells are always served first, the low priority cells are dropped when the queue is full and, within the same priority, any interference is prevented. Four different architecture designs for such queue management are presented and their implementation feasibility and hardware complexity are compared and contrasted. A departure sequence is assigned to each cell in the novel architecture to implement the queue management. The sequence applies the concepts of fully distributed and highly parallel processing to schedule cell sending or dropping sequences. Preferably, a sequencer is provided such that the queue size and the number of priority levels can grow flexibly and without limit.

REFERENCES:
patent: 5016248 (1991-05-01), Kudoh
patent: 5083269 (1992-01-01), Syobatake et al.
patent: 5126999 (1992-06-01), Munter et al.
patent: 5189667 (1993-02-01), Esaki et al.
L. Zhang, "VirtualClock: A new traffic control algorithm for packet switching networks," in Proc. SIGCOMM '90, Philadelphia, Pa., Sep. 1990, pp. 19-29.
J. S. Turner, "New directions in communications (or which way to the information age?)" IEEE Commun. Mag., vol. 24, No. 10, pp. 8-15, Oct. 1986.

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