Server, screen transfer system, and screen transfer method

A server comprising:

• a screen update generating unit configured to generate screen update information representing an image of an update area in a screen;
• first to N-th (N is an integer of 2 or more) transmitting units configured to communicate with a client terminal;
• a distributing unit configured to distribute the screen update information to the transmitting unit selected from the first to the N-th transmitting units;
• a screen update history storage configured to store a generation history of screen update information;
• and
• a precedence possibility determining unit configured to specify, based on the generation history of screen update information, screen update information X and Y such that the screen update information X is more previously generated than the screen update information Y and that the image of the screen update information Y is permitted to be displayed prior to the screen update information X,
• wherein the distributing unit distributes the screen update information Y to the transmitting unit different from the transmitting unit to which the screen update information X is distributed and
• the first to the N-th transmitting units the transmit screen update information distributed by the distributing unit to the client terminal.