SERVER DEVICE, CLIENT DEVICE, CONTENT DISTRIBUTION METHOD AND COMPUTER PROGRAM Russian patent published in 2018 - IPC H04N21/235 H04N21/262 

FIELD: information technology.

SUBSTANCE: invention relates to the field of content distribution technology, in particular using the HyperText Transfer Protocol (HTTP) for content transmission and MP4 with respect to encoding, for content compression. Proposed is a server that contains: a storage unit configured to store a prescribed definition to append a parameter to an address defined with the access information to access each of a plurality of sub-segments constituting each portion of the encoded data obtained by encoding the same content with a different bit rate, or to access each element that must be received by requesting the server described in the playlist file (MPD); and a data transmission unit configured to transmit an instruction for appending a parameter to an address defined in the access information based on the prescribed definition stored in the storage unit.

EFFECT: providing support for inserting a dynamic parameter that depends on the state of the client device when the content is distributed to the client device using Adaptive Bit Speed (ABS) technology without modifying the playlist file on the side of the network service provider.

11 cl, 30 dwg