Receiver-based construction of point-to-multipoint trees using path computation elements in a computer network
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United States of America Patent
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Sep 21, 2010
Grant Date -
Sep 17, 2009
app pub date -
Mar 11, 2008
filing date -
Mar 11, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a trigger to add a leaf node to a multicast group of a computer network is detected, and the leaf node may determine a root node of the multicast group to request a path between a tunnel tree and the leaf node of the multicast group. In response to the multicast group having an existing tree, a reply is received from the root node with a computed path to add the leaf node to the tree at a selected node of the tree. The leaf node may then be added to the multicast group tunnel tree over the computed path at the selected node.
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