Bull S.a.

Patrick Sala

Denis Pinson

Jean-Paul Pigache

In order to have operations of a central system executed by a satellite system, a linking structure is located between the central system and the satellite system. The linking structure includes: a communications link between the central system and satellite system; a control card, in the central system, that places said operations in one or more data blocks; and a coupler, in the satellite system, that sends through the link to the control card at least one read command to which the control card responds by sending said data block or blocks through the link to the coupler.

Link between a central system and a satellite system for executing operations of the central system

A data transmission system between a computer bus and a large number of data storage units connected to one another by a specific connection to which the system is physically connected, including a central microprocessor running an operating system; and frame transfer capability including a data storage memory located between the bus and the connection. The operating system is associated with at least one application and includes at least one input/output microprocessor connected to the memory and to the connection. The application includes an initialization process; several adaptation processes each associated with a storage unit to adapt the protocols used on the buses and connection; and a task management process authorizing the input/output microprocessor to transfer the commands and the data corresponding to them from the memory to the connection and vice versa, on a message of the adaptation process.

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Porcheville, France

Patrick Sala