Patent
1996-09-11
1998-09-08
Ellis, Richard L.
G06F 15173
Patent
active
058058184
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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Castagnoli Neal D.
Perlman Radia J.
Ellis Richard L.
Novell Inc.
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