Computer network and methods for multicast communication
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 11, 2000
Grant Date -
N/A
app pub date -
Jul 11, 1997
filing date -
Jul 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of preparing a group distribution graph for multicast transmission of a packet to a group of nodes in a computer network is disclosed. The method includes first preparing a spanning tree that includes every node in the computer network. A group distribution graph patterned after the spanning tree is then prepared by evaluating a node in the group distribution graph to determine whether the node is included in the group of nodes. If the node is not included in the group of nodes, and if the node has exactly one neighboring node, the node is removed from the group distribution graph. Likewise, if the node is not included in the group of nodes, and if the node has exactly two neighboring nodes, the node is removed from the group distribution graph by prescribing direct communication between the neighboring nodes, thus bypassing the removed node. In this manner, packet transmission and processing capacity of the network is more efficiently managed.
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