Fault tolerant local area network connectivity
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United States of America Patent
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Jul 6, 2004
Grant Date -
N/A
app pub date -
May 23, 2000
filing date -
May 23, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Method, program product, and apparatus for providing a nondisruptive takeover by a backup adapter when an adapter from a group of adapters connecting a data processing system to a Local Area Network (LAN) fails. The adapters are arranged in one or more groups, with each group having at least two members, one member being a backup adapter in the idle state. Primitives, in accordance with the IEEE 802.2 standard, are monitored for each adapter, and when a failure is detected, the Medium Access Control (MAC) address for that adapter is loaded in the backup adapter, and the backup adapter is placed in the active state to nondisruptively takeover for the failed adapter.
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