Method of topology database synchronization in an asynchronous transfer mode network
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Mar 24, 1998
filing date -
Mar 24, 1998
priority date (Note) -
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Abstract
A method for performing topology database synchronization between two nodes wherein one of the nodes is in an overload state. The node in the overload state looks for a neighboring node directly connected to it that is not in the overload state. After such a node is found, the link to the neighboring node is intentionally dropped and subsequently re-established. This causes the neighboring node to transfer its entire knowledge of the network to the node in the overload state. The node in the overload state than functions to forward the topology database information to its other neighboring node. In this fashion, the portions of the network one either side of the link learn about the other side notwithstanding the fact that one of the nodes is in an overload state. Once the database synchronization process is complete, calls can then be initiated from either side of the network to the other side.
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