Mechanism for splicing trees
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 28, 2004
Grant Date -
N/A
app pub date -
Jun 7, 2000
filing date -
Jun 7, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for detecting a routing loop when repairing a bidirectional multicast distribution tree is disclosed. According to the method, a splice message is launched from an originating node attempting to join a bidirectional multicast tree and is sent to a root-node to find out if a routing loop is formed when a node is joining the multicast distribution tree. Depending on the multicast application requirement, when a routing loop is detected during the repairing of a multicast distribution tree, the severed node may abort, or the repair can be deferred until the connection to the root-node is re-established. The loop detection and loop prevention method of the invention may be used as a loop avoidance mechanism with any protocol for repairing a partitioned tree.
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