Method and computer system for selecting an edge server computer

[Subject] As opposed to the client which offers how to have been improved for distributing contents data to an edge server, and computer systems, and requires streaming service especially, Choose the edge server or the acceptable alternative edge server located most close in topology. [Solution means] Media distribution within the Internet is performed using an application server, a contents server, and a distributed edge server. Here, the client is connected to media distribution service. Computer systems equipped with the client 1 which has a web browser incorporating the media player 2, the Web application server 3, a contents server, edge server ES1*ES4, and the media demand intermediary 11 are offered. After the client 1 chooses the media for streaming, the media demand intermediary 11 makes a decision about the suitable edge server which carries out streaming processing. This determination is performed based on the extension of the http demand of a client passed to a media demand intermediary from an application server while it is drawn by the edge server. [Selection figure] Fig. 1