Flexible scheduling of network devices within redundant aggregate configurations
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United States of America Patent
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Nov 17, 2009
Grant Date -
Jan 15, 2004
app pub date -
Jun 24, 2003
filing date -
Mar 30, 1999
priority date (Note) -
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Abstract
A protocol is provided for backing up ATM network devices should they fail. The protocol is implemented in a system running ATMARP and supporting IP over ATM. In the protocol, multiple ATM network devices are combined in a “standby group” and share a common IP address. When an active member of the standby group fails, one of the other members of the standby group takes over ATM responsibility for the functions of the failed device. An ATMARP Server determines which member of a standby group should handle IP packets destined for that group.
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