Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Patent
1997-08-28
2000-02-01
Pham, Chi H.
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
370253, 370412, G08C 1500
Patent
active
060211156
ABSTRACT:
A network of ATM routing switches transmits digital signal cells of a first type requiring integrity of transmission and a second type accepting some loss in transmission, each switch has buffer circuitry. a plurality of output ports each having a plurality of queues of cells awaiting output, each output port having control circuitry to provide in an output frame control bits indicating the type of cell, a path identifier and the existence of flow congestion at the routing switch which it outputting the frame, thereby inhibiting transmission of further frames to that location until a frame is received from that location indicating that the congestion is cleared.
REFERENCES:
patent: 5166926 (1992-11-01), Cisneros et al.
Serving Humanity Through Communications, Suppercomm/ICC, May 1-5, 1994 vol. 1, No. .sub.--, IEEE, pp. 402-409, Fan et al, Expandable Atom Switch Architecture (XATOM) for ATM Lans, p. 404-407.
Standard Search Report dated Nov. 29, 1996.
IEEE Transactions on Communications, vol. 41, No. 1, Jan. 1, 1993, pp. 237-245 Noboru Endo, Shared Buffer Memory Switch for an ATM Exchange, p. 238, 239.
Serving Humanity Through Communocations, Supercomm/ICC, May 1-5, 1994 vol. 1, No. --, May 1, 1994 IEEE pp. 402-409 Fan R et al., Expandable Atom Switch Architecture (XATOM) for ATM Lans p. 404, 407.
Coppola Marcello
Dumas Pierre
Grenot Thierry
Makoua David Mouen
Moniot Pascal
Pham Chi H.
SGS-Thomson Microelectronics Limited
Tran Maikhanh
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