Patent ID: 7941825

Claim:
A near video on demand (NVOD) service method for transmitting video data including moving pictures to a plurality of clients in a network, the NVOD service method comprising: identifying a relative network bandwidth “m” of a client with respect to a video playout bandwidth; dividing the video data into data segments having different sizes according to the relative network bandwidth “m”; and transmitting the data segments to the client through a plurality of channels, wherein the dividing of the video data comprises dividing the video data into the data segments according to the equation: S n m = { 2 n - 1 ( n ≤ m ) ∑ k = 1 m ⁢ ⁢ S n - k m ( n > m ) where “n” is 1 or an integer greater than 1 and indicates an order of a data segment and S n m indicates a size of an n-th data segment.