This architecture (A1) of computer networks comprises: - a first domain (D1) of communication; a second domain (D2) of communication; a gateway module (16) between said domains (D1, D2) comprising a first and a second connection means respectively to the first and second domains, and a data exchange means (IS2) between said means; a module (18) forming a switch on the first domain (D1) comprising a subscription means and a switching means (IS1); characterized in that the module (16) and the module (18) are integrated in a single equipment (14) and in that at least the first connection means and the subscription means are in the form of a first component (21) forming a first connection interface (ES1), the second connection means forming a second connection interface (ES2).
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