Access control device for ring-type ATM node

Details Access control device for ring-type ATM node Access control device for ring-type ATM node

1995-12-11

1998-04-21

Olms, Douglas W.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370417, 39520013, H04J 314, H04L 1256

Patent

active

057425868

ABSTRACT:
A transmission buffer or buffers storing therein transmission cells for at least 2 (W-n.sub.a) cell time assuming that a window size in a ring is W cells and a number of transmission cells allocated to a node in said W cells is n.sub.a pieces, a transmission cell number counter for counting a number of transmission cells from the node within the W window size from a current point of time, and a transmission control means for sending out the transmission cells stored in said transmission buffer to a transfer path if a number of cells indicated by said transmission cell number counter is within a number of transmission cells allocated to the node are provided. Also at least 2n.sub.a pieces of transmission buffers are provided as transmission buffers assuming that a number of transmission cells allocated to the node is n.sub.a pieces.

REFERENCES:
patent: 5163046 (1992-11-01), Hahne et al.
patent: 5274644 (1993-12-01), Berger et al.
patent: 5426635 (1995-06-01), Mitra et al.
patent: 5533009 (1996-07-01), Chen
patent: 5539747 (1996-07-01), Ito et al.
patent: 5602830 (1997-02-01), Fichou et al.
Anwar Elwalid, et al. "A New Approack for Allocating Buffers and Bandwidth to Heterogeneous, Regulated Traffic in an ATM Node" IEEE Journal on Selected Areas in Communications, Aug. 1995.

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