AikinX wrote: But I don't think it is fully related to a "stateless server" It is definitely fully related. In the context of "a server" the definition of "stateless" does NOT change. AikinX wrote: A server is a container for applications that are ran into the one. No. It can be but the word "server" is not limited to that. In client-server architecture "server" refers to the process that services the clients. However there is a non client-server architecture use of a server process that may not service clients at all. It may not receive requests of any kind. led mike