Patent ID: 6154782
Filing Date: 2000-11-28
Classification: H04L

Abstract:
A server connected via a network to a plurality of clients for offering information to the plurality of clients, said server comprising:communication mode selection means for switching over a communication mode for each client between a one-way communication mode in which information is offered to clients on a one-way basis and a two-way communication mode in which messages are transmitted to clients and messages transmitted from the clients are received; anda profile data base storing profiles of clients as to utilization circumstances of the server, wherein said communication mode selection means switches over the communication mode as to a client selected referring to said profile data base from among the clients identified by information held by request holding means, from the one-way communication mode to the two-way communication mode, wherein said communication mode selection means comprising said request holding means for holding the information to identify a client who made a request of a two-way communication service, and switches over the communication mode as to a client selected from among the clients identified by the information held by said request holding means from the one-way communication mode to the two-way communication mode.