Methods and apparatus for synchronizing subnet mapping tables
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United States of America Patent
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Apr 22, 2008
Grant Date -
N/A
app pub date -
Jan 28, 2003
filing date -
Jan 28, 2003
priority date (Note) -
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Abstract
Methods and apparatus for enabling mobility of a node that does not support Mobile IP through synchronization of access point information (e.g., subnet mapping tables) among AAPs are disclosed. In accordance with one embodiment, an authoritative access point (AAP) maintains access point information for all functioning access points (APs) and sends updates for all additions or other modifications to the continually changing access point information to other AAPs. This is accomplished by sending a copy of its local subnet mapping table to the other AAPs. The AAPs receiving the subnet mapping table then update their subnet mapping tables corresponding to the received subnet mapping table.
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