Method and computer system for client server inter process communication

A client-server inter process communication. A client application and a server application is provided. The client application is registered with a first inter network service module by entering a client port name and a client physical address. The server application is registered with a second inter network service module by entering a server port name and a server physical address. A connection is established between the client application and the server application by the client physical address and the server physical address. The first and second inter network service modules are synchronized. A redundant connection is established between the client application and the server application by means of the redundant client physical address and the redundant server physical address in case a predetermined condition is fulfilled.