Communication method in a set of distributed systems via an internet type network

A communication system in a set of distributed systems via at least one internet type network, said set being divided into at least one domain comprising systems addressable via said network by a first series of internet type addresses stored in a domain name directory and each system being connected to said network via an interface module and having software layers comprising a stack of addresses of the first series and internet type communication protocols, and each system hosting at least one software entity, the communication system being characterized in that said software entities and said systems are each provided with an internet type address of a second series, each system being configured into at least one system virtual network to which the system itself and said software entities are connected via specific interface modules and specific software layers comprising a stack of addresses of the second series and internet type communication protocols, and means for storing said addresses and names of the systems and the software entities connected to said system virtual networks in said domain name directory, such that any of said software entities hosted in any of said systems may be directly addressed from anywhere in said set of distributed systems using the internet type address of the second series or the names of the software entities.