Multiplex communications – Wide area network – Packet switching
Patent
1995-02-17
1996-11-12
Hsu, Alpus H.
Multiplex communications
Wide area network
Packet switching
370 601, 370 61, 370 942, H04L 1256
Patent
active
055747205
ABSTRACT:
A traffic output suppression apparatus and a method for preventing congestion in an asynchronous transfer mode network. The apparatus includes an input cell classification processor for detecting virtual connection identifiers and cell loss priority information from an input cell stream and classifying the input cell stream into real-time process type cells and process-after-standby type cells, a real-time process type cell processor for selectively discarding or passing the real-time process type cells from the input cell classification processor in response to the cell loss priority information from the input cell classification processor and external network node state information, a network node state processor for generating a storage command and an extraction command in response to the external network node state information, a process-after-standby type cell processor for processing the process-after-standby type cells from the input cell classification processor in response to the storage command and the extraction command from the network node state processor, and a cell output processor for transferring the output cells from the real-time process type cell processor or the output cells from the process-after-standby type cell processor in a first-in-first-out manner.
REFERENCES:
patent: 5042029 (1991-08-01), Hayakawa
patent: 5090011 (1992-02-01), Fukata et al.
Italian Pt Administration, Fondazione Ugo Bordoni, National Research Council, "Traffic Control for Best Effort Data Communications in ATM Networks: Simulation Comparison of Alternative Schemes, " G. Bagnoli et al.
IEEE, 1993, "Combined Reactive/Preventive Approach For Congestion Control in ATM Networks", Wassim Matragi, et al. pp. 1336-1342.
Electronics and Telecommunications Research Institute
Hsu Alpus H.
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