1. A server ( 10 ) of a system for managing an interconnection network, said server comprising: a key-value associative data structure ( 2 ) configured to store a global state of the interconnection network; the following connection interfaces ( 3 - 6 ): a configuration server interface ( 3 ) configured to communicate to a client ( 20 ), in response to a configuration request from said client ( 20 ) to join the management system, the configuration of said management system; a publication server interface ( 4 ) configured to disseminate, to a client ( 20 ) connected to the management system, an update in the key-value associative data structure ( 2 ); a collection server interface ( 5 ) configured to update, in response to a request for update from a client process ( 21 ) connected to the management system, the key-value associative data structure ( 2 ); a snapshot server interface ( 6 ) configured to communicate, in response to a request for snapshot from a client process ( 21 ) connected to the management system, a snapshot of a subset of the global state to said client process ( 21 ), said global state being stored in the key-value associative data structure ( 2 ).