Method and apparatus for transmission of node link status messages throughout a network with reduced communication protocol overhead traffic
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United States of America Patent
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May 7, 2002
Grant Date -
N/A
app pub date -
Nov 6, 2000
filing date -
Nov 12, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wireless network includes a plurality of nodes arranged into clusters with each cluster having cluster member nodes and a designated cluster head node. The nodes communicate with each other via an intranet protocol, while the network may communicate with other external networks in accordance with an internetworking protocol (e.g., a Radio Open Shortest Path First (ROSPF) protocol). A database within each network node contains link information for that node, while ROSPF Link-State Advertisement (LSA) type packets or database update messages contain information to update the node databases. The ROSPF LSA type packets are transmitted to neighbors of each node to enable each database to maintain current information. In order to reduce overhead of transmitting numerous LSA type packets, the present invention transmits the ROSPF LSA type packet within an intranet protocol beacon type or node status packet that is periodically broadcasted within the network.
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