Multimedia file upload

A method of handling multimedia data in which packets of a multimedia file from a first computer are received by a second computer. In case, a sub-portion of the multimedia file, representative of the multimedia file, was received by the second computer, before the entire file was received by the second computer, that sub portion is handled by the second computer transmitting to the first computer, although the entire file was not received by the second computer at the time of the transmission of the result. Additionally, an image processing server is described comprising: a network interface adapted to receive packets, a communication manager adapted to manage reception of multimedia files through the input interface and to conclude when a sub-portion of a multimedia file, representative of the multimedia file received, and an image handling unit configured to handle said sub-portions.