Processes communication between computer systems and devices employing them

The communication method relates to two computer systems (101, 105) having, each, a microprocessor (201, 211) and memory (205, 215), a first (105), at least, computer systems comprising and managing at least one input / output resource (106). For communication of each useful set of information from the second computer system and to be transmitted to an I / O resource managed by the first computer systems, comprising: - performed by the second computer system, an operation audit association set of useful information, a set of additional information representing:. the communication protocol from which the information in the second computer system, and. said input / output resource; and - jointly by the two computer systems, an operation of transmitting said sets of information from the second computer system to the first computer system .