System for acknowledging availability of neighbor node using data packet containing data that is ordinarily fowarded to neighbor node
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United States of America Patent
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Sep 8, 1998
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N/A
app pub date -
Sep 11, 1996
filing date -
Sep 11, 1996
priority date (Note) -
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Abstract
A novel acknowledgment mechanism efficiently requests affirmation from a neighboring node coupled to a communication link of a network that the neighbor is 'alive' and connected to that link. The acknowledgment mechanism comprises control information generated by a source node and generally stored in a network layer header of a data packet transmitted to the neighbor. This next-hop acknowledgement (or lack thereof) from the neighbor provides a fast and efficient indication of (lost) system connection between adjacent nodes of a network.
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