| 摘要 |
A method for providing data (DS, DS', DS'') from a server to a plurality of end-users (R 1 , R 2 , R 3 ) via a communication network, comprising the steps of: starting a transmission of the data (DS) to at least a first end-user (R 1 , R 3 ); while transmitting the data to the first end-user, upon a detection of a request for a transmission of the same data by at least one second end-user (R 2 ), establishing a multicast transmission of the data to the first and the second end-users; requesting missing data (MP) not received with the multicast data at the second end-user from the server.
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