1
Claude Galand, Xavier Jacquart, Gerald Lebizay, Jean yves Leboudec, Philippe Louis, Clement Poiraud, Eric S Georges, Victor Spagnol, Edward Suffern, Hong L Truong: Multipurpose packet switching node for a data communication network. International Business Machines Corporation, Gerald R Woods, October 22, 1996: US05568477 (133 worldwide citation)

A multipurpose data communication network node for interconnecting both ATM and Variable Length (VL) input/output trunks with all combinations of node input versus output trunk connections. The network node includes ATM/VL Receive Adapters and ATM/VL Transmit Adapters, interconnected via a Switching ...


2
Claude Galand, Jean Marie Munier, Victor Spagnol, Pierre Andre Foriel, Jean Marc Berthaud, Aline Fichou, Marcus Enger: Multiple-criteria queueing and transmission scheduling system for multimedia networks. Cisco Technology, Cesari and McKenna, February 13, 2001: US06188698 (119 worldwide citation)

A packet scheduling system for use in a switching node of a high speed packet switching network. Incoming packets are enqueued in connection queues. Each connection is classified as red (exceeding traffic profile) or green (within traffic profile). QOS priority is also identified for each connection ...


3
Gerald Lebizay, Jean M Munier, Andre Pauporte, Victor Spagnol: Efficient point-to-point and multi-point routing mechanism for programmable packet switching nodes in high speed data transmission networks. International Business Machines Corporation, Stephen T Keohane, John J Timar, February 11, 1997: US05602841 (95 worldwide citation)

The present invention relates to an efficient point-to-point and multi-points routing system and method for programmable data communication adapters in packet switching nodes of high speed networks. The general principles of this efficiency are the following:


4
Aline Fichou, Claude Galand, Ilias Iliadis, Xavier Jacquart, Philippe Louis, Victor Spagnol, Edward Suffern: Method and system for performing traffic congestion control in a data communication network. International Business Machines Corporation, August 4, 1998: US05790522 (91 worldwide citation)

Traffic congestion control is provided for a network node multiport switch capable of switching data packets of different priorities from input lines, via receive adapters, to output lines via transmit adapters. A spacing function is performed to limit the rate of data transfers through the switch i ...


5
Claude Galand, Gerald Lebizay, Victor Spagnol: Method and system for optimizing data transmission line bandwidth occupation in a multipriority data traffic environment. International Business Machines Corporation, John D Morgan & Finnegan Flynn, September 21, 1999: US05956341 (69 worldwide citation)

A method and system for optimizing data link occupation in a multipriority data traffic environment by using data multiplexing techniques over fixed or variable length data packets being asynchronously transmitted. The packets are split into segments including both a segment number and a packet numb ...


6
Firmin Bigo, Victor Spagnol: Synchronous communications scheduler allowing transient computing overloads using a request buffer. International Business Machines, Edward H Duffield, November 9, 1993: US05261099 (66 worldwide citation)

Fast scheduling mechanism of tasks to be performed in a communication system, like a modem, and the scheduler for implementing the mechanism.


7
Jean Calvignac, Claude Galand, Didier Giroir, Gerald Lebizay, Daniel Mauduit, Victor Spagnol: Method and apparatus for transmission of high priority traffic on low speed communication links. International Business Machines Corporation, Gerald R Woods, September 17, 1996: US05557608 (58 worldwide citation)

In a packet switched communications system an incoming real-time packet is imbedded after the next block of data of the non-real-time packet being transmitted. This object is accomplished by transmitting each packet along with at least a 1-byte trailer which is used to indicate the packet type, whet ...


8
Francois de Saint Michel, Jacques Belloc, Jean Cholat Namy, Michel Choquet, Simon Huon, Daniel Pilost, Victor Spagnol: Method and system for controlling a network of modems. International Business Machines Corporation, John B Frisone, June 14, 1988: US04751510 (56 worldwide citation)

A DTE can control the modems attached thereto by transmitting command messages over the data path and analyzing report messages supplied by the modems in return. Each command message is identified by a specific header. A command message intended for a remote modem (34) is intercepted by the local mo ...


9
Claude Galand, Gerald Lebizay, Daniel Mauduit, Jean marie Munier, Andre Pauporte, Eric Saint Georges, Victor Spagnol: Programmable high performance data communication adapter for high speed packet transmission networks. International Business Machines Corporation, Stephen T Keohane, Joscelyn G Cockburn, June 18, 1996: US05528587 (41 worldwide citation)

A high performance data packet buffering method and a programmable data communication adapter for high speed packet transmission networks are disclosed. The line adapter includes programmable processing means, for receiving and transmitting data packets of fixed or variable length. This system is ch ...


10
Claude Galand, Eric Saint Georges, Victor Spagnol: Method and an apparatus to modify CRC in intermediate high speed network nodes. International Business Machines Corporation, Gerald R Woods, November 18, 1997: US05689518 (33 worldwide citation)

A method and an apparatus to calculate in an intermediate node of a communication network, the new Frame Check Sequence (FCS) appended to a data bits message which has been modified in said intermediate network node. The invention is useful for high speed networks where the transit delay needs to be ...