Method for realizing on-line communication of 500 thousands of users through completion port technology

The invention belongs to the technical field of computer control, and relates to a method for realizing on-line communication of 500 thousands of users through I/O completion port technology. The method comprises the following steps: a Socket service terminal, actually a communication service terminal of a middle ware, is built according to the IOCP (Input/Output Completion Port) technology; the maximal number of on-line socket clients supported by the Socket service terminal at the same time is Max Connection Number; a read-write memory space is distributed to each socket client, the Socket Client simulation programs are built and connected with an IOCP server for communication; a plurality of Socket Client simulation programs are opened simultaneously so as to simulate the communication between the plurality of Socket Clients and the IOCP Server; and the successful communication of each Socket Client at each time represents an online user, and the required overall time is 8-12 minutes ...