Apparatus for restarting interrupted data transfer and method therefor
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
Dec 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are implemented which allow applications to automatically resume from the last checkpoint on the receiver when a distribution interruption has occurred due, for example, to a network failure, machine reboot or power failure. For each repeater and endpoint the amount of data that must be received between two checkpoints may be preselected. Receivers flush the file buffers to nonvolatile storage when a checkpoint corresponding to an end of a data segment being transferred is reached. If a transmission is interrupted, the transfer is resumed from a beginning of the data segment being sent when the interruption occurred.
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