| 摘要 |
A method and an apparatus are provided for acknowledging a bitwise block for multiple segment recovery when data is transmitted using a TCP in a data network. A transmitter generates a BBACK including virtual block information consisting of a bit array, each bit of which represents a virtual block of predetermined size, and transmits the BBACK. Each bit is set to '1' when a corresponding virtual block overlaps a loss block of a physical stream. A receiver then receives the BBACK and retransmits a virtual block represented by a bit '1' of the bit array if all of the bits of the bit array are not '0'.
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